Re: [AMRadio] CCA am-1000d

[Jim WB5OXQ inb Waco, TX]

http://www.contelec.com/
- Original Message - 
From: "KA4RFA - Jim Stewart" 
To: 
Sent: Sunday, October 04, 2009 8:46 PM
Subject: [AMRadio] CCA am-1000d


> rescued a continental am-1000d but have no documentation--can anyone help?
>
> want to put on 1885
>
> thanks
>
> jim
> ka4rfa
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Re: [AMRadio] Microphone recomendation

[WB5OXQ]

I use a Heil GM-4 hand mike on am and ssb.  I also have a deep voice  
and used to be in radio broadcasting.  The Heil wide element has a  
freq response of 60-16k with a bump at 2k to improve intelligence  
while still having a good low end.  The mike also has the Heil high  
freq element with a switch to change into it if needed.  I never use  
the high element only use the full range.  I get excellent audio  
reports on am and ssb.  I am using a Kenwood TS-2000.

Quoting Gerald Stockinger :

>
> Good morning to all. Since I will soon be new to AM having been on SSB
> since 1957 I need the benefit of others experience. Last week a good
> amount of time was spent on audio quality so I thought I would ask here.
> The rig is a Collins KW-1. I need a good quality (broadcast if you will)
> microphone to use with it, I have a deep voice and I sound terrible on a
> 300 to 3000 mic. I need more lows than  that. I welcome any suggestions
> on what microphone might fill my needs. 73
> Jerry K9GOZ
> __
>

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Re: [AMRadio] Hallicrafters R-12 speaker

[Jim WB5OXQ inb Waco, TX]

Check JW Davis in Dallas.  They may have a good full range 12" made for 20 
watts or less.  They have a website.
WB5OXQ

- Original Message - 
From: "John Coleman" 
To: "Discussion of AM Radio in the Amateur Service" 

Sent: Saturday, September 05, 2009 11:51 AM
Subject: Re: [AMRadio] Hallicrafters R-12 speaker


> Yes indeed Bob,
> That is exactly what I meant about using a modern replacement.  Those 8 
> inch coaxial speakers will far out perform the old 12" speaker.  There was 
> at one time some nice 12" coaxial speakers around but I don't see them 
> anymore except in ovals for cars.  But, again, a guy could build a 
> mounting plate adapter, are use the grill, to make these fit into the old 
> cabinet, and have a very nice speaker system.
>
> As far as great sound at low levels, there are a number of computer 
> speaker sets made by Altec Lansing, Bose, and others that will just blow 
> you away for under $50.00. They have power ratings that are very inflated 
> in most cases, but they still sound great.
>
> Now for ham radio listening with QRM and noise, I prefer a narrower 
> bandwidth speaker.  I have some small 4 inch speakers in little wooden 
> boxes, which can hardly be called HIFI.  I can put one right in front of 
> my face and it is a lot like headphone presence.
>
> The Devil is the culprit of old age I'm sure.  Don't believe in all that 
> golden years stuff.
> 73,John, WA5BXO
>
> 


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Re: [AMRadio] Hallicrafters R-12 speaker

[Jim WB5OXQ inb Waco, TX]

Has anyone considered trying to find a speaker out of an old console radio 
or hi fi.  The tube amps in them rarely made more than 10 watts.  I use a 
entensiion speaker from an old Zenith set with a 10" woofer and a pizzo 
tweeter and it drives real good from a 3 watt portable radio.
WB5OXQ

- Original Message - 
From: "John Coleman" 
To: "Discussion of AM Radio in the Amateur Service" 

Sent: Saturday, September 05, 2009 10:17 AM
Subject: Re: [AMRadio] Hallicrafters R-12 speaker


>I agree Bob.  Maybe Brian intends to put a pair of 805 between the receiver 
>and the speaker and play some guitar.  At any rate I'm sure he has his 
>reasons.
>
> I might go with this one 
> (http://www.parts-express.com/pe/showdetl.cfm?Partnumber=290-486), and 
> even it is an over kill but selection of 12 inch  speakers with less than 
> a 20 watt rating are few and far between.  Many times I will cut a board 
> to fit where the speaker goes and then mount a smaller speaker to the 
> board.  In most cases the smaller speaker has better sound due to modern 
> manufacturing and tech specs than the older one.
> http://www.parts-express.com/pe/showdetl.cfm?Partnumber=290-486
>
> 73, John
>
> 

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Re: [AMRadio] Odd tuning on 160M

[Jim WB5OXQ inb Waco, TX]

Sounds like something in your antenna circuit is overheating and causing the 
resonance to change.  I had that same thing happen with a trap antenna and 
finally a coil in the antenna burned up.  I was running about 500 watts on 
160.  So I build an inverted L for 160 and I am using that will good results 
when my rotator dial starts turning and the control box smokes.  New I am 
buying a new rotator and i am not planning to run power on 160 any more.  I 
cannot afford it.
WB5OXQ
- Original Message - 
From: "M. K. Hess" 
To: 
Sent: Saturday, July 18, 2009 12:16 PM
Subject: [AMRadio] Odd tuning on 160M


> Hi Folks,
>
> Here's a question that may need to get filed under "dumb", or maybe not, 
> but
> here goes!
>
> I have a V-Beam, a Vertical, and a Dipole, all capable of 160M operation. 
> I
> use a K3 as my exciter, an Alpha 91B as an Amp, and
> a Palstar AT-Auto for the tuner. The following happens with any of these
> antennas, including my dummy load (Heath CanTenna)...
>
> I have the Alpha in Stby, and key up the K3 w/ 10w through the Palstar to
> "whatever" load If finds a 1:1 match and all is well.
> If I advance the K3 to 120W all remains well... Can Xmit all day and 
> night,
> without issue. NOW
>
> I fire up the Alpha 91B, and begin to tune it after a couple of 
> seconds,
> the Palstar starts to "re-tune" the load. I wait until it settles, and
> start the Alpha load again, same thing... this happens a few times until
> finally the Palstar thinks it's got a match, AND the Alpha thinks it's
> happily loaded...
>
> Finally, I hear someone calling I call back... as I'm talking, the
> Palstar starts re-tuning again and the Alpha usually goes into Hi-SWR
> shutdown...
> I fiddle with them for a bit, and try the call again Sometimes it 
> stays
> stable, most times it goes haywire several times during the QSO...
>
> WTF is going on!?!?!?!
>
> I have grounding out the ying-yang, and no RF back to the station, I have
> heavy duty parts from the shack to the antennas.. (See my web 
> www.n3eaq.net
> for details)
> This mostly seems to happen on 160 and 80 and DEFINITELY on 1885 when I'm
> trying to do AM!
>
> Any ideas!?!?!?! All help is appreciated!
>
> Mike - N3EAQ
>
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Re: [AMRadio] RME 4350 Help!

[Jim WB5OXQ inb Waco, TX]

I wonder if it received lightning damage or someone  accidentally 
transmitted into it?  Perhaps an open coil where the antenna is coupled into 
the rf amp tube or maybe an open if coil.  Some work with a signal tracer 
will probably locate the problem.  I used to take a small capacitor maybe a 
.01 and jump across coils and see if the signal jumps up.  If it does you 
found a bad one.  Of course a schematic would help lots if you can find one.
Good luck and 73, WB5OXQ

- Original Message - 
From: "Daniel Wright" 
To: "Discussion of AM Radio in the Amateur Service" 

Sent: Saturday, May 30, 2009 4:34 PM
Subject: [AMRadio] RME 4350 Help!


>
> Greetings!
>
> I just acquired a very very nice RME 4350 (not "A"). It is just
> beautiful, but is also pretty deaf. I checked the tubes and found a
> couple of marginal ones that made a marginal improvement. The S meter
> barely moves off the peg and the signals I do hear are weak. I know the
> radio has been.what?"restored"? Or at least re-capped somewhat.
> The antenna terminal strip has been replaced with an SO-239, very very
> nicely done. I would love to get this beautiful rig up and running
> correctly. Are there any RME experts on the list? I have the owners
> manual, but it's pretty sparse on details. Is there a service manual? Is
> there a SAMS photofact on this rig? ANY help would be greatly 
> appreciated!!!
>
> Thanks much es
>
> 73 de Dan -- WAØJRD ..
> dwrigh...@neb.rr.com
>
>
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Re: [AMRadio] 160 Meter Operation from WFEA Tower Site

[Jim WB5OXQ inb Waco, TX]

I hear stations but the static is very bad in Texas also and I do not hear 
PJS at all.
- Original Message - 
From: "alton young" 
To: "Discussion of AM Radio in the Amateur Service" 

Sent: Friday, April 10, 2009 11:18 PM
Subject: Re: [AMRadio] 160 Meter Operation from WFEA Tower Site


>i heard him but the noise is terrible w4bni florida
>
> --- On Sat, 4/11/09, Radio Station KW1I  wrote:
>
>
> From: Radio Station KW1I 
> Subject: Re: [AMRadio] 160 Meter Operation from WFEA Tower Site
> To: "Discussion of AM Radio in the Amateur Service" 
> 
> Date: Saturday, April 11, 2009, 12:14 AM
>
>
> K1PJS is on the air on 1885 kHz. The noise is a quite a problem on the big
> vertical tonight.
>
> Dale, KW1I
>
> - Original Message - 
> From: "Jim WB5OXQ inb Waco, TX" 
> To: "Discussion of AM Radio in the Amateur Service"
> 
> Sent: Saturday, April 11, 2009 12:06 AM
> Subject: Re: [AMRadio] 160 Meter Operation from WFEA Tower Site
>
>
>> Listening on 1885 +- 25kc and hearing nothing at 11:07 cdt
>> wb5oxq
>> - Original Message - 
>> From: "Radio Station KW1I" 
>> To: "Discussion of AM Radio in the Amateur Service"
>> 
>> Sent: Thursday, April 09, 2009 9:12 PM
>> Subject: [AMRadio] 160 Meter Operation from WFEA Tower Site
>>
>>
>>> Tomorrow night (Friday, April 10) around midnite after WFEA (1370 kHz),
>>> Manchester, NH shuts down for the day K1PJS will come up on 1885 kHz or
>>> so
>>> with a T368 and the 350 ft Blaw-Knox "Diamond" tower.
>>>
>>> KW1I will be operating on the same frequency with a Collins 300G (275
>>> watts)
>>> and an inverted - L (65 ft vertical, 120 ft, horizontal and 20 - 120 ft
>>> radios in the SW quadrant). KW1I is located in Bow, NH about 25 miles
>>> north
>>> of WFEA. Comparison reports will be solicited to evaluate the Blaw-Knox
>>> antenna advantage.
>>>
>>> Peter, K1PJS will be sending out a special QSO for all contacts.
>>>
>>> Dale
>>> KW1I
>>>
>>> Info on the Blaw-Knox tower at WFEA:
>>> http://www.manfrommars.com/wfeatowers.html
>>>
>>> __
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>>>
>>>
>>>
>>
>>
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>
>
> 
>
>
>
> No virus found in this incoming message.
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> 06:39:00
>
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Re: [AMRadio] 160 Meter Operation from WFEA Tower Site

[Jim WB5OXQ inb Waco, TX]

Listening on 1885 +- 25kc and hearing nothing at 11:07 cdt
wb5oxq
- Original Message - 
From: "Radio Station KW1I" 
To: "Discussion of AM Radio in the Amateur Service" 

Sent: Thursday, April 09, 2009 9:12 PM
Subject: [AMRadio] 160 Meter Operation from WFEA Tower Site


> Tomorrow night (Friday, April 10) around midnite after WFEA (1370 kHz),
> Manchester, NH shuts down for the day K1PJS will come up on 1885 kHz or so
> with a T368 and the 350 ft Blaw-Knox "Diamond" tower.
>
> KW1I will be operating on the same frequency with a Collins 300G (275 
> watts)
> and an inverted - L (65 ft vertical, 120 ft, horizontal and 20 - 120 ft
> radios in the SW quadrant).  KW1I is located in Bow, NH about 25 miles 
> north
> of WFEA.  Comparison reports will be solicited to evaluate the Blaw-Knox
> antenna advantage.
>
> Peter, K1PJS will be sending out a special QSO for all contacts.
>
> Dale
> KW1I
>
> Info on the Blaw-Knox tower at WFEA:
> http://www.manfrommars.com/wfeatowers.html
>
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>
> 


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[AMRadio] Saturday night on 7160 AM

[Jim WB5OXQ inb Waco, TX]

I made a video in response to VJB's video just showing my station although not 
very impressive compared to his and allowing all to hear what AM on 40 meters 
soulds like from my shack!  Watch is here;
http://www.youtube.com/watch?v=vlBoRpGR-YU
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Re: [AMRadio] old BC AM FM or TV rigs

[Jim WB5OXQ inb Waco, TX]

This was a fairly recent Continental 5KW transmitter, all solid state except 
for the single ceramic PA tube  maybe a 4cx5000.  I figured little value for 
ham so it was sold to another small station.  It would be very difficult to 
get a bc rig into my shack but there could be room in the garage for one. 
This weekend I have to lower the crankup and repair my 40 meter dipole that 
fell in recent high winds.  I listen most evenings on 7160 but often hear 
little AM.  I am told when I am on I am very loud in some parts of the 
country.  I understand that 375 watts of carrier is all that is allowed on 
AM.  I used to think it was 1KW back in the 50s when I used to visit my ham 
neighbor.

- Original Message - 
From: "John Coleman" 
To: "Discussion of AM Radio in the Amateur Service" 

Sent: Saturday, April 04, 2009 12:02 PM
Subject: Re: [AMRadio] old BC AM FM or TV rigs


> Jim:
>There might have been a lot of cool parts in that FM station.  For 
> instance, I was given and old GE 10KW TV XMTR back about 30 years ago.  It 
> had a lot of stuff I did not want, but others did, and it had a whole lot 
> of stuff that was "way" cool that I wanted.  It had 270 degree 1ma meter 
> movement and large precision wire wound meter multiplying resistors.  It 
> had several large plate XFMRS and chokes.  It had oil capacitors.  Two of 
> the chokes were 12 Hy open frame construction which Don, K4KYV, 
> disassemble and rebuilt into a single 40Hy modulation reactor which I am 
> very proud to have and I use still today.  There were mercury vapor 
> rectifiers and filament XFMRS.  All of these things an more (I can't name 
> all) were used in the construction of my PP-304tL rig.  And parts that I 
> did not want went all over the South,  Of course you must have an empty 
> garage to do all this in and that is where most folks say "no", as they 
> might to building their own vehicle from scrap.  I
> f I had it to do now I would have to say "no" because there is just no 
> time or space in my life right now.  Hopefully that will change before I 
> get to old to walk.
>
> Anyway I hope someone got the old FM rig and used the parts.
> John, WA5BXO
>
>
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[AMRadio] 7160Kc - The Video

[Jim WB5OXQ inb Waco, TX]

I would love to participate in this but I have no vintage equipment right now.  
Except for my linear amplifier I am running Kenwood which with the heil mike 
and good dsp audio settings I am told I have excellent audio.  My amplifier is 
American made TenTec Titan 425 and easily makes legal limit on am with about 10 
watts of drive giving my transciever a lot of headroom.  I do have a camcorder 
and a digital camera that can shoot video and a video capture card in my pc.  I 
watched the video and was impressed but like most I am not fortunate to have a 
broadcast transmitter.  I was offered one a couple of years ago from a station 
that went dark but it was FM so I knew I could not use it for ham.
Jim WB5OXQ
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Re: [AMRadio] For Wb5OXQ, and anyone else who wants to read the Mail

[Jim WB5OXQ inb Waco, TX]

I am surprised I was that loud for having to tune up on the wrong antenna. 
We have had a lot of wind lately and the rope that supported the 40 meter 
antenna broke and the antenna is on the roof now.  I am now on the twin 
sloper which uses the tower as part of the antenna system.  With 375 watts 
forward there is 25 watts reflected and that is not too bad.  The 40 meter 
dipole would have been better since you would have been perfectly on the 
side of it.
Jim 


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Re: [AMRadio] Lots of AM on 7160 Right Now!

[Jim WB5OXQ inb Waco, TX]

Listening now but on a 75m dipole sonce my 40m dipole blew down

- Original Message - 
From: "Mike Duke, K5XU" 
To: "Discussion of AM Radio" 
Sent: Monday, March 30, 2009 7:56 PM
Subject: [AMRadio] Lots of AM on 7160 Right Now!


> There is a large group of AM stations on 7160 right now.
>
> The calls I have heard thus far from my Jackson, Mississippi qth are:
>
> K0EOO, WA3HUZ, WF2U, K4DEE, and WA3VJB. There are at least 2 other 
> stations
> that I can't hear.
>
> It's almost like listening on 10 meters, as there is no SSB qrm at the
> moment, just some static.
>
>
>
>
> Mike Duke, K5XU
> American Council of Blind Radio Amateurs
>
>
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>
>
> 


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Re: [AMRadio] Good Receivers for AM

[Jim Miller WB5OXQ in Waco]

I had a SX 110 that was about the best short wave gen coverage receiver I 
ever owned.  Reasonably priced too.
I have had a lot of different receivers in the past few years but this has 
real good audio on am and can power a fairly large speaker easily.  Easy to 
tune too. 

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Re: [AMRadio] 10 Meter AM Lives!

[Jim Miller WB5OXQ in Waco]

I just got home and tried 29 but I figured it is way too late at night.  I 
called CQ a few times at 25 watts and did not raise anyone.  I was not in 
the mood to wait for the 3CX800s to warm up and retune the amp for 10M so I 
returned to 160.
WB5OXQ

- Original Message - 
From: "Mark K3MSB" 
To: "Mike Duke, K5XU" ; "Discussion of AM Radio in the 
Amateur Service" 
Sent: Monday, January 26, 2009 7:42 PM
Subject: Re: [AMRadio] 10 Meter AM Lives!


> Just went to 29.0;  nothing heard, and no replies to my CQ (tried NW
> and SW) I'll keep the radio on fer a while...
>
> Mark K3MSB
>
> On Mon, Jan 26, 2009 at 8:29 PM, Mike Duke, K5XU  wrote:
>> I just completed a 10 minute QSO with Harry, W0LS, north of Minneapolis, 
>> on
>> 29.0.
>>
>> He was running a Flex Radio into an Alpha, and was pounding into 
>> Mississippi
>> despite the ever-present QSB that happens during Sporadic E.
>>
>> He told me that he had been calling CQ for a half hour before I answered
>> him, and that I was the first AM signal he had heard on 10 this evening.
>>
>> So, if you don't want to crank up the boat anchors, then dust off the
>> transistors, punch the AM button, and make some noise on or near 29.0.
>>
>>
>>
>>
>> Mike Duke, K5XU
>> American Council of Blind Radio Amateurs
>>
>>
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>>
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> the word unsubscribe in the message body.
>
> 

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[AMRadio] 160 meter antenna

[Jim Miller WB5OXQ in Waco]

Thanks to all who responded to my questions.
As much as I would like to make something work on 160, many of the suggestions 
would be hard to do.  I guess even 80' is not high enough to make the dipole 
work well.  This tower is not like a Rohn 25 etc.  It is a very heavy tower 
made of 3 legs around 1.5" dia ea and the base  is grounded and in poured 
concrete.  The width between legs is around 8' (a guess) at the ground and 
about 3' at the top.  This was part of a 120' free standing tower and the top 
sections were not installed.  There is a crossarm at the top about 5' wide 
where the 2 fiberglass base antennas are mounted.  I was going to have a pulley 
attached to one side of this arm so my center insulator would be at least 2' 
away from the tower.  At the bottom of the tower is the metal building and 
there is a 6' metal fence extending in 2 directions from the tower.  1 side of 
the fence runs directly away from the tower about 200' and the other side runs 
200' and makes a right turn for another 80'.  Behind the tower and away from 
the metal building there is a road that runs across the property where big 
trucks drive and it is only about 20' behind the tower so no wires can cross it 
unless they are over 14' at any point and nothing can be on the ground.
The only other tower I have access to is a 193' Rohn 45 and it too is grounded 
and guyed and the guys are not insulated from the tower.  I don't think you can 
shunt feed a guyed tower unless the guys are insulated.
I do know about am broadcast towers but I am not a climber and I have been told 
workers are not allowed to climb a hot tower any longer.  I did enjoy comments 
about the old days where workers jumped onto the tower!  Only broadcast work I 
ever did was a fm station and that is a different animal completely.  The only 
time I got scared at the transmitter site was during a bad thunderstorm and I 
got in my truck and drove to the edge of the pasture away from the tower until 
the storm passed.  I never saw a strike but I just would not stay in the small 
wooden building where I could not get more than 5 feet away from the 
transmitter (a 5kw Continental).
wb5oxq__
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[AMRadio] 160 meter antenna

[Jim Miller WB5OXQ in Waco]

I always wanted to try am on 160 but like most do not have enough room for a 
full size antenna, so,
I am considering building a 160 meter antenna at our clubhouse because there is 
a 80' tower there and over an acre of land to spread out a 1/2 wave dipole.  
Question is;
1 Is a 1/2 wave wire dipole the best antenna for the band considering there is 
room for it.
2 Is 80' high enough for the center of the inverted V?
3 How high do the ends need to be off of the ground?
4 Should I feed it with coax or ladder line to the 10' level (or other) then a 
balun to coax to the tuner (coax is the only acceptable line into the shack)?  
The shack is a metal building 30X60' and directly below the tower.  There is no 
way to get ladder line to the operating position since all cables have to run 
through a 3" conduit for at least 30'.

The tower is a free standing commercial tower made of 4 20' sections bolted 
together with a 2 meter and a 440mhz antenna at the top, all ham antennas.

Thanks for any advice.  Jim wb5oxq__
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Re: [AMRadio] Radio Noise, BPL?

[Jim Miller WB5OXQ in Waco]

That is indeed strange.  I can think of wireless intercoms, wireless light 
controls etc that use the ac line for their carrier usually at low 
frequencies I believe.  I really cannot think of anything else right now.


- Original Message - 
From: <[EMAIL PROTECTED]>

To: 
Sent: Monday, July 14, 2008 1:59 AM
Subject: Re: [AMRadio] Radio Noise, BPL?




Jim,

This meter/inlet panel is on the outside of the attached office building. 
The distro panel it feeds is turned off via the main breaker since the 
building is vacant at this time. The the much larger power drop and panel 
for the main building where my workshop/storage is located is on the 
opposite side of the main building and is not a source of noise.


The noise has the fundamental sound of a network cable but without any 
traffic. Looking at my IF with a scope, the waveform is a flat top 
positive going pulse with even spaced harmonics maybe, 100kc or less 
apart. Certainly not phase controller harmonics. I haven't gotten all my 
gear up and running yet so some of what i'm seeing may be from front end 
overload.
 Need to put in some input attenuation to to find the fundamental and 
actual signal level. It appears to be in or even below
the broadcast band but the HF receiver only goes down to 1500. At that 
point the noise level completely buries any broadcast stations. Will try 
using the portable if it stops raining Monday.


My Spectrum Analyzer, Tek 7L12, was heavily smoke and water damaged 
recently and I'm a bit lost without it. There is no better tool to locate 
and identify noise sources. At least one that I can afford.


Don't know, have to get it removed somehow. Would like to get my station 
back on the air and there is no way with this noise.

It is way outside
of a permissible radiation level whatever it is.

Will update when and if the problem goes away.

Thanks !
Bill, KB3DKS




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Re: [AMRadio] Radio Noise, BPL?

[Jim Miller WB5OXQ in Waco]

This does not sound like BPL Noise to me.  However I understand some new 
meters transmit their readings to the power company using the power lines. 
If this is not the case you may have a faulty meter or problem in the 
connections inside the box.  I would call the power company.  Can you 
temporarily turn off a main breaker to shut down the whole building to see 
if the problem goes away when load is removed?


- Original Message - 
From: <[EMAIL PROTECTED]>

To: 
Sent: Sunday, July 13, 2008 7:37 PM
Subject: [AMRadio] Radio Noise, BPL?



Hello,
 I just finished cleaning and some repairs to my main HF receiver and put 
up a longwire inside the large old factory room outside of my new workshop 
location.
 Being inside a building is really not the best thing but this is 
temporary and it's an old 4 story 100 yr old mill built mostly of brick 
and without any other working industry present. Mainly some artists lofts, 
etc.
 So what I have found is this white noise like signal with clear harmonic 
related intervals from at least the broadcast band up to a significant 
level above 40 meters. It completely overloads the receiver below 80 
meters so it has been difficult to pinpoint the exact fundamental if there 
is one. I am talking about a signal level almost as strong as the local AM 
station!!.


 Some D.F.ing using a portable with a ferrite having excellent nulls 
pinpointed what appears to be the source
as being a large outside electric meter box supplying service to an 
attached office building about 100ft away from my workshop. The level of 
the RF noise around this panel is unbelievable! This office has not been 
occupied for about a year but the last tenant was a cable installation 
subcontractor.


 There is no intellegence apparent on the noise or what seems to be a 
carrier buried in it. No AM FM PM or any other form of modulation. The 
level does reduce when there is rain.


Has anyone experienced BPL this close or have any idea what this could be?



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Re: [AMRadio] amp for am

[Jim Miller WB5OXQ in Waco]

I use a Ten Tec Titan 425 which uses a pair of the 3cx800 ceramic tubes and 
will go way past legal limit and still have some headroom for modulation.  I 
originally used a amp with a pair of 3-500zg tubes but about 125 watts of 
carrier was all you could get without the plates getting real hot.

WB5OXQ, Jim in Waco

- Original Message - 
From: "tom scott" <[EMAIL PROTECTED]>

To: 
Sent: Saturday, April 05, 2008 10:04 AM
Subject: [AMRadio] amp for am



i have a kenwood ts-2000 that does 25 watts am.  what is a good amp to
use for that?


tom in texas
ad5fd
www.geocities.com/ad5fd7




You rock. That's why Blockbuster's offering you one month of Blockbuster 
Total Access, No Cost.

http://tc.deals.yahoo.com/tc/blockbuster/text5.com
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[AMRadio] Re: ft dx 400

[Jim Miller WB5OXQ in Waco]

Yaesu FT-DX-400  400 Watts pep? Pair of 6KD6 finals?
Anyone ever run one of these on AM?
WB5OXQ
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Re: [AMRadio] ADMIN NOTICE, PLEASE READ

[Jim Miller WB5OXQ in Waco]

Thanks to all who responded to me about using the TR-7.  I won't buy it 
since my audio is good on the kenwood now and I dont want to buy a radio 
that would not ke as good on am transmit audio.  I will look at buying a 
good receiver only and use the 2000 for a transmitter like I do now.  thanks 
again to all. Jim WB5OXQ 


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[AMRadio] Whic radio might be best on AM?

[Jim Miller WB5OXQ in Waco]

Since I trade radios a lot and since the Belton Hamfest is coming soon I am 
looking at several transceivers to trade for.  I am also keeping my TS-B2000 
that I use now for everything.

The current choices are;
A Drake TR-7This says it simulates AM with a carrier and only the upper 
side band.  That might not sound good

A Kenwood Ts-940SAT
A Kenwood TS-930S.
OR just a receiver and transmit on the 2000 like I do now;
A Grundig Satellit 800
A Drake R-8
A JRC NRD-525
A Yaesu FRG-7
Any comments on these are appreciated.  You can email me off the list if 
desired.  [EMAIL PROTECTED]
Thanks, Jim. 


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Re: [AMRadio] Wanted: Receiver - New England (sync detector)

[WB5OXQ]

HERE IS WHAT YOU NEED.  A HAMMURLAND HQ 180 ON THIS LIST FOR 275 A GOOD PRICE
AND A GREAT TRIPPLE CONVERSION RADIO LOADED WITH FEATURES.  I HAD ONE AND IT IS
A GREAT RADIO.

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Re: [AMRadio] Wanted: Receiver - New England

[Jim Miller WB5OXQ in Waco]

Watch out for some of the very old receivers that don't have a very good 
front end and are not very sensitive.  I would try to look at specs and find 
a receiver that has at least 1 microvolt sensitivity.  Stay away from the 
smaller rigs that do not have an rf amplifier and some don't.  always check 
the tube lineup to make sure.  Some even have 2 rf amp tubes.  I have owned 
rigs like the NC183s that have push pull audio out and others like an NC98 
that had only a 6aq5 making a watt but sounded real good and rich connected 
to the correct speaker and the speaker has a lot to-do with how good the 
audio sounds.  I use a 2 way speaker that came from a tube type Zenith 
stereo radio.  It has a 8" woofer and a 2" tweeter and was built to be used 
on a radio that only made 1.5 watts of audio so it drives easily with single 
ended output radios and sounds very full and rich.  If you love rich tone 
stay away from small speakers that have small drivers in them but be aware 
that if you use a large system built for a home stereo system it may need 
more power than many radios can put out.
Here is a good web site that may have useful information for you. 
http://www.dxing.com/swrx.htm


- Original Message - 
From: "JT Croteau" <[EMAIL PROTECTED]>
To: "Discussion of AM Radio in the Amateur Service" 


Sent: Sunday, February 17, 2008 6:58 PM
Subject: Re: [AMRadio] Wanted: Receiver - New England



I want to thank everyone who has responded so far, both on and off
list, to this thread.  Brett, N2DTS, said, a couple posts posts back,
that I need to take a better inventory of my priorities so let me try
and clarify what they are to me.


From what I've read, there are two categories of receivers;

"Battle-Fields" and Hi-Fidelity and it is very difficult to have your
cake and eat it to.  Unfortunately, I am trying to have a mixture of
both but leaning more towards Hi-Fi because it is the pure love of the
sound of AM that is driving me to setup this AM station.

I am learning that there is no perfect receiver and it is very hard
for a newbie like me to pick one.  I wish I had the luxury to afford
to buy several different ones like some people but I can only afford
one receiver at the moment   A big problem for newbies is the fact
that EVERYONE has differing opinions for each model and it's often
hard to get two people to totally agree on the same model.  For
example, I'll ask for opinions on an ABC-123 and one person will
reply, "oh yeah, it's awesome on AM" while another will say "stay
away, it's only good for slopbucket signals".  If I could afford
multiple purchases, it'd be much easier to take a gamble and
experiment but I can't so it's very difficult to choose from just
looking at specs and "opinions".

With this said:

  AM 75M and 40M coverage is my primary interest at this time, I will
NEVER be using the radio to tune in slopbucket nor CWer.  SWL and 160M
coverage would be nice as well but it will be a couple years before I
have space for a 160M antenna.

  Hi-Fidelity is near the top of my must haves but not if it's
results in a huge hit on receiver performance.  However, I definitely
don't want bottom of the barrel communications grade audio.  I've been
in some shacks where the audio fills the room and you can feel the
audio down to your bones.  I want to achieve this or as close as I can
get within my budget.

   Looks, style, size, and weight don't really matter as it's what's
inside the box that counts to me.  Ideally the smaller the better and
if it fits in a standard 19" rack, all the better as I have plenty of
rack space.

   Budget - Yeah, this will always be an issue for me.  But I can
realistically afford to spend a max. of $400 on a receiver so I may
not be able to get super Hi-Fi with this budget but I would think that
I should be able to still find something with very good fidelity.   If
I had the money to go all out, I'm the type of person who definitely
would so I am not trying to cheap out on this.  But I do want to get
something now rather than save an wait.. patience and me have never
gotten along.

Since my first post a couple days ago, I've been reading a bit about
Hallicrafters SX-17's and SX-42's with their push-pull 6V6's and how
they can really make some very nice audio - a couple people seem to
really like these.  However, for some reason, these two rigs don't
seem to be mentioned much.. are they genuine "sleepers" in this case?
The SX-17 appears to have good sensitivity and good selectivity with
an IF bandwidth switch actually works.  I think I read that the narrow
position is somewhere around 4-5 kc and the wide is somewhere around
10-12 kc.

Has anything I've said made sense and may point me to more specific
models of receivers I should be looking at?

Thanks again.

--
JT Croteau, N1ESE - Manchester, NH (FN42gx)
Contest Manager, TARA Skirmish
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Re: [AMRadio] Wanted: Receiver - New England

[Jim Miller WB5OXQ in Waco]

The 300 IS a great receiver but it is ham bands only so if you want to do 
any swl listening it may not be what you want.  I had one and for ham bands 
it is real good and works well on ssb also.  I did not like it as well on am 
as the sx 110 I am restoring now and the Hallicrafters is general coverage 
with bandspread for 80,40 20, 15, and 10 meter ham bands but not as good on 
ssb as the national..  there are lots of good tube sets out there you need 
to decide if you want to use it only on ham or do you want to listen to 
international broadcasts also?  My favorite receiver for swl and ham has 
been a Hammurland HQ180 but they are not cheap when you can find one.

WB5OXQ

- Original Message - 
From: "Dave Mayfield" <[EMAIL PROTECTED]>
To: "Discussion of AM Radio in the Amateur Service" 


Sent: Saturday, February 16, 2008 7:08 PM
Subject: Re: [AMRadio] Wanted: Receiver - New England


I just talked to a friend of mine this week, he said he has a National 
NC-300 he is going to sell, the NC-300 is a great receiver. Best of all it 
should sell for under $200.00 you can reach him via qrz.com his call is 
k9chz a very great guy. Tell him I sent you


Dave W9WRL

JT Croteau wrote:

I'm going to be looking for a receiver at the beginning of the month
(hate getting paid once/month) and wondering if anyone has anything
they'd be selling or have any leads on.

I don't have a big list of requirements and can't afford a "museum
quality" R-390A or Super Pro but want to get on the air now that I
have a decent plate modulated TX and not sure if my simple regen I am
building will be up to snuff.  I should probably save/wait for
NEAR-fest but I'd really like to get on the air.

I'll have $350 to $400 to spend:

* Primary use - HAM band AM reception primarily on 75 and 40 initially
- 160 down the road

* Needs to work, something that needs a little TLC is fine but would
like it to work as soon as I bring it home.

* Something located north of New York City so I can come pick it up.
I don't like driving south of NYC.

* Nice audio, doesn't have to be the greatest quality but just
enjoyable listening and something I can feed into a nice speaker
system.

* Something that would fit inside a 19" rack cabinet would be a big
plus but not a requirement.  Desk space is getting sparse but I have
about 3' of unused space inside my rack where a RX could fit nicely.


Any ideas?  Thanks guys.




--
Dave W9WRL
www.w9wrl.com/w9wrl

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[AMRadio] Paint for sx 110

[Jim Miller WB5OXQ in Waco]

Does anyone know where I can buy paint the correct color for the sx110 
hallicrafters radio I am restoring?  The dial and radio face and chassis is 
excellent as is the radio electronically but the case has scratches and 
chips so I want to sand it and repaint it with the correct color.  Then the 
radio will be like new.  I tried radio daze and antique radio supply but 
found nothing.  I thought maybe some Hallicrafters collectors here might 
know.  Thanks.  Jim WB5OXQ. 


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Re: [AMRadio] 6V6 vs. 6L6

[Jim Miller WB5OXQ in Waco]

In audio circuits I have replaced 6v6 with 6l6 and they work.  the 6l6 is 
capable of more plate watts than a 6v6 but to get the best advantage you 
need more plate voltage so I would use silicone diodes to replace the 
rectifier tube and get a little more B+.  I would not want to replace a 6l6 
with a 6v6 though of the circuit was designed for 6l6's. 


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Re: [AMRadio] Receiver Noise Reduction Devices

[WB5OXQ]

I FOUND A HEIL CLEARSPEECH SPEAKER ON EBAY AND IT WORKS WONDERS.

Quoting Bob Macklin <[EMAIL PROTECTED]>:

> I live in a senior apartment complex. In the courtyard they have three
> orange arc lamps of some kind that come on at sundown and turn off at
> sunrise. They wipe out the 80M band for me. But I am afraid to bitch about
> them. I will get told if I don't like it to move.
>
> Bob Macklin
> K5MYJ
> Seattle, Wa,


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Re: [AMRadio] Part 15 Devices

[Jim Miller WB5OXQ in Waco]

I don't know but since I have a ts2000 mobile that has 100 watts on 2 I am 
bound to try it!!!

WB5OXQ

- Original Message - 
From: "kenw2dtc" <[EMAIL PROTECTED]>
To: "Discussion of AM Radio in the Amateur Service" 


Sent: Sunday, December 02, 2007 6:36 PM
Subject: Re: [AMRadio] Part 15 Devices


"Just wait until the dept of transportation installs one of those new led 
traffic signals near you"


A friend of mine said that when he keys up his 100 watt 2 meter FM 
transmitter within 50 feet of the LED traffic light in his town, the green 
light blinks.  Ever hear of that?


73,
Ken W2DTC

.
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Re: [AMRadio] Part 15 Devices

[Jim Miller WB5OXQ in Waco]

Just wait until the dept pf transportation installs one of those new led 
traffic signals near you.  The switching power supplies they use are very 
noisy.  Those signal lights will break squelch on my mobile at least 75 
yards away.  My friend N5IT who works for TEXDOT tells me he knows the 
devices are noisy but the manufacture does nothing about them.


- Original Message - 
From: "Rev. Robert P. Chrysafis" <[EMAIL PROTECTED]>
To: "Discussion of AM Radio in the Amateur Service" 


Sent: Sunday, December 02, 2007 3:22 PM
Subject: Re: [AMRadio] Part 15 Devices


Be a little 200mW ERP FM Station or 100mW AM station that actually serves 
it's local community and see how fast they react and enforce citing 
interference as the reason.




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Re: [AMRadio] Old-Timer AMers?

[Jim Miller WB5OXQ in Waco]

Not too old but old enough to know quality audio1
I will be 61 in January 08, licensed since 74.  first rig ART13 tx BC348rx.
Talk about TVI! First am experience at K5SMM's shack in 1959 Same rigs as my 
first!
Current rigs Kenwood TS-B2000 (home) with Heil GM-4 driving a Titan 425. 
Also NC300 RX.

Mobile rig TS-B2000 barefoot into a little tarheel 2 screwdriver.
Jim in Waco, WB5OXQ.

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Re: [AMRadio] Contest signal reports

[Jim Miller WB5OXQ in Waco]

I have yet to get seriously interested in contesting.  If I cannot have at 
least a simple conversation with another ham and exchange more than a signal 
report with him who cares! If you ask me for a report I will tell you 
exactly what I hear not necessarily what my s meter says.  I have been a ham 
since 1974, not long as many of you, but I got into ham radio for fun and to 
meet people many of whom I will never see.  I go to a few ham fests where I 
sometimes put a face with a voice on the air and that is fun also.  I also 
answer all cq's I hear unless it is just for a contest and I rarely answer 
those except on field day.  I know some things about radios but I have never 
designed one.  I do repair them and I work at a 2 way shop.  I am sorry but 
contesting has never been fun to me and I seriously doubt it has bought a 
slice of bread for anyone's meal.  If ham radio cannot be fun I will find 
something else to spend my spare time on.  I love AM because of the quality 
of the sound and the quality of most hams I find there!  I hope to meet some 
of you at Belton next weekend.  73, Jim Miller WB5OXQ and XYL Ella KA5EPM 
Waco, Texas. 


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Re: [AMRadio] SX-62

[Jim Miller WB5OXQ in Waco]

Check this page.  wb5oxq
http://www.dxing.com/rx/sx62.htm

- Original Message - 
From: "Barrie Smith" <[EMAIL PROTECTED]>

To: "Discussion of AM Radio" 
Sent: Sunday, September 30, 2007 12:29 PM
Subject: [AMRadio] SX-62


Did some listening on my SX-62B last evening, and got to wondering about 
what could be the differences between the SX-62, the SX-62A and the 
SX-62B.


This morning I did a Google on the subject, but came up short.

Anyone on the list know what differences there may be?

73,
Barrie, W7ALW, DN36au,
QRV 6M, 432 & 1296 EME
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Re: [AMRadio] Re: Hallicrafter S-40b not 42

[Jim Miller WB5OXQ in Waco]

Weight is probably the problem.  Select ups instead of priority mail and it 
is cheaper
- Original Message - 
From: "Edward B Richards" <[EMAIL PROTECTED]>

To: 
Cc: 
Sent: Saturday, September 29, 2007 3:12 PM
Subject: Re: [AMRadio] Re: Hallicrafter S-40b not 42



I would have bought it but the shipping cost was twice the purchase
price.

73,   Ed   K6UUZ

On Sat, 29 Sep 2007 13:53:45 -0500 "Jim Miller WB5OXQ in Waco"
<[EMAIL PROTECTED]> writes:

Looks like a pretty basic swl set.  I hate to see it go to waste but
I just
bought a nc 300 which I have not received yet and I expect the
national is a
much better receiver.
wb5oxq

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[AMRadio] Re: Hallicrafter S-40b not 42

[Jim Miller WB5OXQ in Waco]

Looks like a pretty basic swl set.  I hate to see it go to waste but I just 
bought a nc 300 which I have not received yet and I expect the national is a 
much better receiver.
wb5oxq 


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Re: [AMRadio] Are there commercial made amps that operate better forAMthan others?

[Jim Miller WB5OXQ in Waco]

I use a Ten Tec titan 425 which uses a pair of 3cx800's and it will do more 
than legal limit on am

wb5oxq

- Original Message - 
From: "kenw2dtc" <[EMAIL PROTECTED]>
To: "Discussion of AM Radio in the Amateur Service" 


Sent: Thursday, September 20, 2007 11:00 PM
Subject: Re: [AMRadio] Are there commercial made amps that operate better 
forAMthan others?




From: "John" [EMAIL PROTECTED]

"I heard that some of the commercially made Amps don't do so hot for AM 
operation.  Are there some that are made that are better than others for 
use on AM and which ones to avoid."


For over 5 years I've used a couple of Ameritron AL-1200's on 160-80-40 AM 
with good results.

73,
Ken W2DTC

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Re: [AMRadio] Receivers

[Jim Miller WB5OXQ in Waco]

When using a receiver and a transceiver as a transmitter how do you switch 
the antenna off of the stand alone receiver when transmitting.  I used to 
have a HQ180 that was a real good receiver with the transmitter section of a 
ts 2000 but I could not share the antenna and when using a separate rx 
antenna I was always afraid of burning out something in the receiver front 
end.  I sold the hammarlund but I may buy a nc 300.  I don't know how these 
receivers would compare.  The Hammarlund was real good.
wb5oxq 


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Re: [AMRadio] Anybody on 3885?

[Jim Miller WB5OXQ in Waco]

Ill be on shortly as soon as the warm up delay on my 3cx800s goes off
wb5oxq

- Original Message - 
From: "Ellen Rugowski" <[EMAIL PROTECTED]>

To: 
Sent: Thursday, September 13, 2007 7:05 PM
Subject: [AMRadio] Anybody on 3885?


Is anybody on (or going to be on) 3885 tonight?  My noise level is lower 
than it's been in ages (only S5-S6), and 3885 is clear (along with being 
the only crystal I have for the Scout [until the VFO is up and running]). 
I called cQ for about 10 minutes, with no takers.


Ellen - AF9J
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Re: [AMRadio] Ashtabula Bill Thong FS

[Jim Miller WB5OXQ in Waco]

I have not heard him on lately.  I used to find him on 14.286.  Where is he 
listing now?  WB5OXQ
- Original Message -  


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Re: [AMRadio] 18.150 ?

[WB5OXQ Jim in Waco]

Yes my decimal was wrong.  My trapless beam works on 17.
- Original Message - 
From: "Geoff/W5OMR" <[EMAIL PROTECTED]>
To: "Discussion of AM Radio in the Amateur Service" 


Sent: Thursday, May 10, 2007 1:54 AM
Subject: Re: [AMRadio] 18.150 ?





- Original Message -
From: "VJB" <[EMAIL PROTECTED]>
To: 
Sent: Wednesday, May 09, 2007 5:58 AM
Subject: [AMRadio] 18.150 ?



I would like to cut a dipole for 18.150 and see what
kind of AM activity we could stir up. The band is
lightly loaded most of the time, so there's room for
the occasional chat.


WB5OXQ Jim in Waco wrote:
I would love to but like many hams I do not have enough real estate to 
do that.  I am liiking for land to build with enough room though!

WB5OXQ


Uhm, Jim... 18.150Mc = 17meters.  the dipole over-all length is 25'6"

I think your decimal point is in the wrong place ;-)

--
73
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Re: [AMRadio] 18.150 ?

[WB5OXQ Jim in Waco]

I thought of 160 not 17.  I have never had any good contacts on 17 at home, 
mobile on any mode although others seem to like it for mobile use.
- Original Message - 
From: <[EMAIL PROTECTED]>

To: 
Sent: Wednesday, May 09, 2007 10:58 PM
Subject: Re: [AMRadio] 18.150 ?



[EMAIL PROTECTED] writes:


I would love to but like many hams I do not have enough real estate to do
that.  I am liiking for land to build with enough room though!
WB5OXQ


A dipole for the 17m band is only about 26 feet long, 13 ft on a side.  It
could fit oneven a small roof in an inverted vee shape pretty easily, 
maybe from

a chimney in the middle stretched over to either side.

Steve WD8DAS


**
See what's free at
http://www.aol.com.
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Re: [AMRadio] 18.150 ?

[WB5OXQ Jim in Waco]

I misread andf thought it was 160 meters
- Original Message - 
From: "Peter Markavage" <[EMAIL PROTECTED]>

To: 
Sent: Wednesday, May 09, 2007 10:53 PM
Subject: Re: [AMRadio] 18.150 ?



You must be pulling our leg. The dipole is roughly 26 feet in length.
You might be able in squeeze in it somewhere based on what you have
already. See:
http://www.qrz.com/hampix/q/x/wb5oxq.108400.jpg

Pete, wa2cwa

On Wed, 9 May 2007 21:06:25 -0500 "WB5OXQ Jim in Waco"
<[EMAIL PROTECTED]> writes:
I would love to but like many hams I do not have enough real estate 
to do 
that.  I am liiking for land to build with enough room though!

WB5OXQ

- Original Message - 
From: "VJB" <[EMAIL PROTECTED]>

To: 
Sent: Wednesday, May 09, 2007 5:58 AM
Subject: [AMRadio] 18.150 ?


>I would like to cut a dipole for 18.150 and see what
> kind of AM activity we could stir up. The band is
> lightly loaded most of the time, so there's room for
> the occasional chat.
>
> Anyone else thought of that ?
>
> Paul/VJB

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Re: [AMRadio] 18.150 ?

[WB5OXQ Jim in Waco]

I would love to but like many hams I do not have enough real estate to do 
that.  I am liiking for land to build with enough room though!

WB5OXQ

- Original Message - 
From: "VJB" <[EMAIL PROTECTED]>

To: 
Sent: Wednesday, May 09, 2007 5:58 AM
Subject: [AMRadio] 18.150 ?



I would like to cut a dipole for 18.150 and see what
kind of AM activity we could stir up. The band is
lightly loaded most of the time, so there's room for
the occasional chat.

Anyone else thought of that ?

Paul/VJB




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Re: [AMRadio] 40m am

[WB5OXQ Jim in Waco]

What kind of time are you interested in?  I could join in if not too early 
since I work until midnight on saturday nights I dont get up too early on 
Saturday mornings.  I am usually up by 10 and I can run legal limit easily 
on am.

WB5OXQ, Jim in Waco.
- Original Message - 
From: "tom scott" <[EMAIL PROTECTED]>
To: "Discussion of AM Radio in the Amateur Service" 


Sent: Saturday, April 21, 2007 10:43 AM
Subject: [AMRadio] 40m am



does anyone do am on 40m on sat mornings?  since 7290 is busy with ssb
net i was curious if theres any am anywhere else on the band...

who knows i am thinking of taking up the cause and start a
net/roundtable on the old spam freq, 7160 but all i have is 40-100
watts and a nvis dipole...anyone interested  in joining?


tom in texas

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[AMRadio] Best amplifier for AM

[Jim Miller WB5OXQ]

What amplifier are most finding that work well on AM.  Mine is supposed to be 
good for only 165 watts of carrier and the tubes want to overheat even at that 
power.
Is a solid state amp better?  I understand that you can only expect 25% of the 
key down output when running AM.  Apparently a pair of 3-500s are only good for 
650 continuous for sstv, FM etc and only 25% of that for AM.  I use an Orion 
for a transciever so 25 watts is all the output it has on am and I guess that 
means 100 watts pep.

  Jim & Ella Miller 
WB5OXQ & KA5EPM
 Abby & Sparky
Dalmatian Furbabies
Waco, TX
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Re: [AMRadio] 15 Meter AM Lives!

[Jim Miller WB5OXQ]

I rarely get above 20 meters so I do not know what the minimum likely 
distance to communicate on there would be.  Mike is in Jackson Ms about 500 
miles from me.  I have worked him on 40meters but never higher.
 Original Message - 
From: "Geoff Edmonson" <[EMAIL PROTECTED]>
To: "Discussion of AM Radio in the Amateur Service" 


Sent: Saturday, December 02, 2006 2:32 PM
Subject: Re: [AMRadio] 15 Meter AM Lives!



On 12/2/06, Jim Miller WB5OXQ <[EMAIL PROTECTED]> wrote:
I gave you a call and a CQ at 2:10 but there apparently is no longer 
anyone

on the freq.
Jim in Waco, WB5OXQ, Provine high school class of 1966.


You're probably not going to hear Mike, in Waco.  Not on 15m, anyway,
since he's in Arkansas.  ;-)

--
Operating your AM rig without a scope
is like driving our car at night without headlights.(~K4KYV)

73 = Best Regards
-Geoff/W5OMR
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Re: [AMRadio] 15 Meter AM Lives!

[Jim Miller WB5OXQ]

I thought he was in Mississippi, 500 miles from me.
- Original Message - 
From: "Geoff Edmonson" <[EMAIL PROTECTED]>
To: "Discussion of AM Radio in the Amateur Service" 


Sent: Saturday, December 02, 2006 2:32 PM
Subject: Re: [AMRadio] 15 Meter AM Lives!



On 12/2/06, Jim Miller WB5OXQ <[EMAIL PROTECTED]> wrote:
I gave you a call and a CQ at 2:10 but there apparently is no longer 
anyone

on the freq.
Jim in Waco, WB5OXQ, Provine high school class of 1966.


You're probably not going to hear Mike, in Waco.  Not on 15m, anyway,
since he's in Arkansas.  ;-)

--
Operating your AM rig without a scope
is like driving our car at night without headlights.(~K4KYV)

73 = Best Regards
-Geoff/W5OMR
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Re: [AMRadio] 15 Meter AM Lives!

[Jim Miller WB5OXQ]

I gave you a call and a CQ at 2:10 but there apparently is no longer anyone 
on the freq.

Jim in Waco, WB5OXQ, Provine high school class of 1966.

- Original Message - 
From: "Mike Duke, K5XU" <[EMAIL PROTECTED]>

To: "Discussion of AM Radio" 
Sent: Saturday, December 02, 2006 12:28 PM
Subject: [AMRadio] 15 Meter AM Lives!


I just completed a contact with W7ID on 21.425 with 40 plus signals each 
way

at 12:15 PM central time.

He's now in qso with an 8 station.

There's absolutely no ssb qrm.

Come on up and enjoy the band!




Mike Duke, K5XU
American Council of Blind Radio Amateurs


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Re: [AMRadio] AMRadio Net.... was AM contacts

[Jim Miller WB5OXQ]

I got back from dinner late and did listen at 10pm cst but I did not hear 
any am
- Original Message - 
From: "Todd, KA1KAQ" <[EMAIL PROTECTED]>
To: "Discussion of AM Radio in the Amateur Service" 


Sent: Friday, December 01, 2006 8:50 AM
Subject: Re: [AMRadio] AMRadio Net was AM contacts



On 11/30/06, Jack Schmidling <[EMAIL PROTECTED]> wrote:

Jim Miller WB5OXQ wrote:
> WB5OXQ will try to be there too.

Called CQ for 10 mins and heard nothing.

Were you or anyone else there?


I had a couple of SSB ops light up on the frequency about 15 minutes
before you said you'd be on, Jack. I still listened, but didn't even
hear a carrier. The band was otherwise dead except for hearing Chuck
'ZZH and some light carriers on 80 and a fluttery W1IA and WA1HZK on
90. Conditions were horrible up this way, but I'm hoping that the
front pushing through will clean things up a bit, as Jim mentioned.

Just in time for the weekend

~ Todd,  KA1KAQ
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Re: [AMRadio] AMRadio Net.... was AM contacts

[Jim Miller WB5OXQ]

WB5OXQ will try to be there too.
- Original Message - 
From: "Jack Schmidling" <[EMAIL PROTECTED]>
To: "Discussion of AM Radio in the Amateur Service" 


Sent: Thursday, November 30, 2006 11:03 AM
Subject: [AMRadio] AMRadio Net was AM contacts



Todd, KA1KAQ wrote:


Sorry about that, Jack. I did listen earlier, then the band seemed to
roll up. I shut of the tx and left the receiver running, but was in
the basement hurling firewood.

Hopefully tonight will be better?



I am booked up from 8-9 local.  It's the reading hour with my honey. But I 
will make it a point to be on 3865 everynight  at 9:30 calling CQ or 
listening till we get this thing rolling.


To review for those new to the thread.. we are attempting to thin out the 
clumping on 3885 at night.  So if you can make it, tune in to 3865 or 
thereabouts and give a listen or CQ at 9:30 PM CST.


Jack K9ACT

--
PHOTO OF THE WEEK: http://schmidling.com/pow.htm
Astronomy, Beer, Cheese, Fiber,Gems, Sausage,Silver http://schmidling.com

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Re: [AMRadio] Best Boatanchor

[Jim Miller WB5OXQ]

I bought a hq 180 a year ago on ebay that did not work.  It only needed a 
fuse and fuse holder cap.  $150 and it is a very good ssb receiver.  I 
highly recommend that radio.  WB5OXQ


- Original Message - 
From: "Daniel Hileman" <[EMAIL PROTECTED]>
To: "Discussion of AM Radio in the Amateur Service" 


Sent: Wednesday, September 27, 2006 7:14 PM
Subject: [AMRadio] Best Boatanchor



 Hi Everyone,

 I am new to boatanchors and need some advice. I am beginning to collect 
antique radios. I want suggestions on what my first one should be. I am 
living in a duplex so a xmitter is out of the questions, so I thought I'd 
get a "nice" receiver to listen on. I would prefer something that would 
also receive SSB as this will be my only reciever for a while, but not at 
the sacrifice of selectivity on AM. I had a TS-850 that I unfortunately 
had to sell a few months back for a move for a new job. It had great 
receive (and Xmit) on AM, and so I'm wanting something in that caliber. 
I've read great things about the HQ-180A but I think it's only AM and a 
little out of the price I'm looking for. I'd like to find soemthing in the 
$300-350 range. Any suggestions???


 73
 Daniel N9WX


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Re: [AMRadio] Microphone assistance

[Jim Miller WB5OXQ]

There are transformers made into a mic plug.
- Original Message - 
From: "david knepper" <[EMAIL PROTECTED]>

To: ; <[EMAIL PROTECTED]>
Sent: Thursday, August 31, 2006 3:29 PM
Subject: [AMRadio] Microphone assistance


Can anyone assist me in converting a low impedence microphone to high 
impendence.  I bought several 600 ohm studio microphones (plastic housing) 
that come with a 9 foot cable and microphone plug.  I am interested in 
using the microphone with a high impedence input transmitter on AM.   Any 
suggestions?


Perhaps, I should use a mixer unit that has low impedence input with a 
high impedence output.


Thank you

Dave, W3ST
Publisher of the Collins Journal
Secretary to the Collins Radio Association
www.collinsra.com - the CRA Website
Now with PayPal
CRA Nets: 3805 Khz every Monday at 8 PM EST
and 14255 every Saturday at 12 Noon EST
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Re: [AMRadio] Grundig Radio Console

[Jim Miller WB5OXQ]

A dead give away all right.  Mine has none of those.
- Original Message - 
From: <[EMAIL PROTECTED]>

To: "Discussion of AM Radio" 
Sent: Friday, June 30, 2006 2:08 PM
Subject: Re: [AMRadio] Grundig Radio Console




Another giveaway that this is an export intended for the American market 
are

the Conelrad markings.  I failed to notice earlier.

73,
Joe, N6DGY


- Original Message -
From: [EMAIL PROTECTED]
To: "Discussion of AM Radio" 
Date: Fri, 30 Jun 2006 12:48:12 -0600
Subject: Re: [AMRadio] Grundig Radio Console



I believe that radio was for export to the North American market.  The ID
label is entirely in English.  The domestic German consoles typically did
not have labels in english, the FM broadcast band (if present) extended
only to about 100mHz, designated as UKW.  MW and LW were also on the
domestic models.  Export (North America) typically lack LW.

73,
de Joe, N6DGY


- Original Message -
From: "John E. Coleman (ARS WA5BXO)" <[EMAIL PROTECTED]>
To: "'Discussion of AM Radio'" 
Date: Fri, 30 Jun 2006 11:40:17 -0500
Subject: [AMRadio] Grundig Radio Console

>
> A friend of mine has acquired an old Grundig Console Radio and would 
> like

> more info about it such as manufacture date, etc.
>
> Pictures at
> http://wa5bxo.shacknet.nu/Kathi%20Raines%20Radio%20Pictures/
>
> Appreciate any help any one can give on this.
>
> Thanks, John, WA5BXO
>
>
>
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>
>
>

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Re: [AMRadio] Grundig Radio Console

[Jim Miller WB5OXQ]

That is true.  Mine is all labeled in German and the FM band does only go up 
to 100mhz.  Therefore you may have a 110v 60hz unit and it will work ok in 
the US.  At first glance it looks like the side speakers on mine were 4 inch 
but they were 3 3/4 and the woofer looked like a common 6X9 but it is a 7 
1/5 X10".  Mine is not stereo but it is also a 1957 model and it has 
simulated stereo by putting only lows up front and the highs on the speakers 
firing out of each side.  There is even a kind of acoustic lens in front of 
each tweeter to spread the sound.  Mine plays pretty good but there seems to 
be a bandwidth problem on the fm band and the tuning is very touchy or the 
sound is distorted.  AM works ok and short wave requires an external antenna 
to pick up much of anything.
- Original Message - 
From: <[EMAIL PROTECTED]>

To: "Discussion of AM Radio" 
Sent: Friday, June 30, 2006 1:48 PM
Subject: Re: [AMRadio] Grundig Radio Console




I believe that radio was for export to the North American market.  The ID
label is entirely in English.  The domestic German consoles typically did
not have labels in english, the FM broadcast band (if present) extended
only to about 100mHz, designated as UKW.  MW and LW were also on the
domestic models.  Export (North America) typically lack LW.

73,
de Joe, N6DGY


- Original Message -
From: "John E. Coleman (ARS WA5BXO)" <[EMAIL PROTECTED]>
To: "'Discussion of AM Radio'" 
Date: Fri, 30 Jun 2006 11:40:17 -0500
Subject: [AMRadio] Grundig Radio Console



A friend of mine has acquired an old Grundig Console Radio and would like
more info about it such as manufacture date, etc.

Pictures at
http://wa5bxo.shacknet.nu/Kathi%20Raines%20Radio%20Pictures/

Appreciate any help any one can give on this.

Thanks, John, WA5BXO



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Re: [AMRadio] Grundig Radio Console

[Jim Miller WB5OXQ]

I have a similar set by Blaupunkt that I restored a few years ago.  This set 
is probably from the early to mid 60s.
Some of the tubes are a little hard to find but often there are American 
versions that will work but have a different number.  A good crossover chart 
will help if u find u need tubes.  The turntable may be designed for 220vac 
at or 50hz and not work in the US.  The radio chassis will have a voltage 
selector for several voltages for the radio and the line frequency wont 
matter for the radio.  These sets often use selenium rectifiers so be 
careful handling them.  I understand they can contain poison.  Dial cords 
can be a problem also and there are sometimes dial cord operated rotating am 
loopstick antennas inside as well as other cord operated gadgets.  The 
speakers are often weird sizes and impedances also.  I have found the short 
wave sensitivity poor on these sets since they were built for use in Germany 
where short wave is local.  any more questions email me direct.  I am good 
in QRZ.  WB5OXQ, Jim in Waco.


- Original Message - 
From: "John E. Coleman (ARS WA5BXO)" <[EMAIL PROTECTED]>

To: "'Discussion of AM Radio'" 
Sent: Friday, June 30, 2006 11:40 AM
Subject: [AMRadio] Grundig Radio Console




A friend of mine has acquired an old Grundig Console Radio and would like
more info about it such as manufacture date, etc.

Pictures at
http://wa5bxo.shacknet.nu/Kathi%20Raines%20Radio%20Pictures/

Appreciate any help any one can give on this.

Thanks, John, WA5BXO



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Re: [AMRadio] Vermont Governor Signs Amateur Radio Antenna Bill

[Jim Miller WB5OXQ]

I figure if you want to have such antennas you should not choose to live in 
a restricted area.  I live in a very nice upper middle class area at the end 
of a cul de sak and I have 2 50' towers with a force 12 c3 and a 2 meter 
dual polarity beam on 1 and a dual band vhf uhf vertical and dipoles on the 
other.  There were no restrictions on this property and the city does not 
say anything unless you wish to go way over 50'.  My neighbors have never 
complained to me about my antennas or any interference to their equipment 
when I am on the air. I have lived here since 1990 and these homes were 
built in 1980.   There are areas where antennas are restricted so I would 
find somewhere else to live if I wanted to be a ham. Why insist and be hated 
by all your neighbors.  It just doesn't seem worth it.   I do not believe 
however in states or cities banning antennas all over town.  That infringes 
on our rights to be hams.  That is what I expect such a bill is to protect.

WB5OXQ and xyl KA5EPM

- Original Message - 
From: "kenw2dtc" <[EMAIL PROTECTED]>

To: "Discussion of AM Radio" 
Sent: Saturday, June 10, 2006 1:45 AM
Subject: Re: [AMRadio] Vermont Governor Signs Amateur Radio Antenna Bill


"I am wondering how the PRB-1 would play out in a deed restricted 
property?"


Check out this video:

http://www.youtube.com/watch?v=aC_EeWSKJII&eurl

73,
Ken W2DTC

Re: [AMRadio] : BC 610 needing POWER 220VAC

[Jim Miller WB5OXQ]

I had an idea that it draws too much current for a common 110 circuit.  My 
centurion amp requires 220vac also.  Otherwise it would need 30 amps at 110 
and that is too much for most wiring in homes.  We never tired to operate 
that transmitter and I don't know if he still has it but I bet he does.  He 
has a lot of STUFF that he never uses.
- Original Message - 
From: "John E. Coleman (ARS WA5BXO)" <[EMAIL PROTECTED]>

To: "'Discussion of AM Radio'" 
Sent: Friday, April 07, 2006 7:36 PM
Subject: RE: [AMRadio] : BC 610 needing POWER 220VAC



Hi Jim,
Most big rigs run from 220VAC if for no other reason, just load
balancing.  Big rigs will often pull more that 20 amps of AC line current 
on
modulation peaks.  So to prevent the line voltage from dropping anymore 
than
is necessary, we often put the HV power supply on a separate 110VAC side 
of

a 220 circuit.  And then run the rest of the rig, and other paraphernalia,
from the other side.  This is call load balancing and it reduces the 
current
on the common line of the 220 service and thereby reduce power voltage 
drops

on modulation peaks.

John, WA5BXO




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[AMRadio] : BC 610

[Jim Miller WB5OXQ]

I have a friend who had one of these transmitters and we did not know what 
it really was good for.  We could not connect it to try it out because it 
seems to me it needed 220vac and we only had 110vac at his house.  I do not 
know if it is still there but it might be.  Are these real good on am phone? 
Does it require a carbon mic?  How much output are they good for on AM? 
This one looked to be in good condition
WB5OXQ 

Re: [AMRadio] CB vs GB

[Jim Miller WB5OXQ]

I never found anything wrong with the CB radio which used to be the 11 meter 
ham band prior to 1958 I believe,   just the IDIOTS that began to use them 
illegally!
I expect many hams had a CB radio first and then discovered a better way 
like I did.  I had my first CB in 1967 and got my ham tickets in 1974.  I 
have never been sorry that I made the upgrade!  On the highway I sometimes 
tune my Ts 2000 to 27.185 AM and listen to the truckers.  No, my rig will 
not transmit on that band!

WB5OXQ

- Original Message - 


From: <[EMAIL PROTECTED]>
To: 
Sent: Wednesday, April 05, 2006 8:26 AM
Subject: Re: [AMRadio] CB vs GB




Paul wrote:


SO I missed the whole run-up to the Glenn Baxter
discussion on here while it was happening, and now I'm
at the tail end of what we can call "Great CBs We Have
Known."...   I can't decide which topic I ought to get
more upset about -- Glenn Baxter ad nauseum, or CB
Radio on the AM Reflector.


A fellow inquired about conversion of an old CB to ten meters for 
operation
on AM around 29 MHz.  Sounds like a perfectly suitable topic to me.  Why 
get

upset?

Steve WD8DAS

[EMAIL PROTECTED]

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Re: [AMRadio] CB vs GB

[Jim Miller WB5OXQ]

- Original Message - 
From: "VJB" <[EMAIL PROTECTED]>

To: 
Sent: Wednesday, April 05, 2006 7:07 AM
Subject: [AMRadio] CB vs GB


I recall torturing people

sitting in shopping center parking lots, walking up to
them after seeing their good buddy antenna, and saying
in a faux excited voice "Hey is that one of those HAM
radios???"

Of course they'd say no, it's a CB, and I would put on
a crestfallen face, turn on heel, and walk away.

SNIP


What really irritates me is for someone to ask me if my screwdriver hf 
antenna is for CB.
I reply "Well it could be if I wanted it to be but no, it is a ham radio 
antenna and can tune itself to ANY band I choose.
I am a Ham radio operator, I talk WHEN AND TO WHERE I WANT TO, you talk 
when you can!
WB5OXQ  (once upon a time many years ago kqv4932)  I HAD a license for my 
CB! 

Re: [AMRadio] possible interference coming up

[Jim Miller WB5OXQ]

Ti is entirely possible for your rf to get into his amps.  Many years ago 
(late 60s) I was parked in my car about 100 feet from a club where a band 
was playing and I literally killed their amps with a 5 watt cb radio!  We 
used to park at the Dairy Queen and talk on the cb and it came over their pa 
system,  Therefore you may expect to interfere with the guitar player.
- Original Message - 
From: <[EMAIL PROTECTED]>

To: "Discussion of AM Radio" 
Sent: Tuesday, April 04, 2006 7:22 PM
Subject: [AMRadio] possible interference coming up




Hi gang,

I have a neighbour about 150 feet away from the end of my dipole, not 
broadside.


He is not currently active with his electric guitars, but soon will be.

He has all sorts of foot pedals wired in series to a couple of amplifiers 
at

each end of his music room.

I feel it is interference waiting to happen.

Does anyone have any experience with this? Am I to expect to QRM him?

73,

Alan
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Re: [AMRadio] CB Conversion to 15 Meters Anyone?

[Jim Miller WB5OXQ]

That is probably more than the coils could re tune to.  Raising the freq you 
remove turn from coil if needed but going down would require more turns per 
coil and that would be very hard to do.  Besides moving cb to 10 is only 1+ 
MHZ.  Easy to do and realign.
- Original Message - 
From: "Mike Duke, K5XU" <[EMAIL PROTECTED]>

To: "Discussion of AM Radio" 
Sent: Monday, April 03, 2006 10:24 PM
Subject: [AMRadio] CB Conversion to 15 Meters Anyone?



In my junkbox, I have an old Johnson Messenger. This is the Messenger that
was born on the citizens band, not the one originally built for 10 meters. 
I

have encountered a few people who have converted these units, but they are
limited to a crystal controled receiver along with the transmitter. What 
I'd
really like to do with mine is convert it down to 15 meters. Has anyone 
ever

done such a thing with any cb model?

If so, I'd like to know about it.






Mike Duke, K5XU
American Council of Blind Radio Amateurs



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Re: [AMRadio] Bull Horn

[Jim Miller WB5OXQ]

I wish I could donate one but I have found them as cheap as 10.00 on Ebay.
- Original Message - 
From: "david knepper" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>; 


Sent: Monday, March 20, 2006 8:09 AM
Subject: [AMRadio] Bull Horn


Would anyone have a megaphone to donate to an elementary track team that 
has been formed by a few volunteers in our community.  This group is 
working on a very tight budget so if you have one of these devices no 
matter the condition as long as a coach can get these kids attention, so 
to speak, your support would be most appreciated.


The group will pay for shipping and a small donation to your coffee fund.

We all talk about helping kids to mature into responsible adults - this is 
your chance to help!


Thank you

Dave, W3ST
Publisher of the Collins Journal
Secretary to the Collins Radio Association
www.collinsra.com - the CRA Website
Now with PayPal
CRA Nets: 3805 Khz every Monday at 8 PM EST
and 14255 every Saturday at 12 Noon EST
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Re: [AMRadio] Free kilowatt BC transmitter - Long Island NY

[Jim Miller WB5OXQ]

One can easily rent a trailer it will fit in
- Original Message - 
From: "Phil Galasso" <[EMAIL PROTECTED]>

To: "Discussion of AM Radio" 
Sent: Sunday, April 02, 2006 9:01 PM
Subject: Re: [AMRadio] Free kilowatt BC transmitter - Long Island NY




- Original Message -

Otherwise, strip it down, buy a few sheetmetal blades
for your skillsaw, and cut the cabinet into small enough pieces to get 
out

the door, and use the goodies to build up a nice homebrew rig.  By

carefully

cutting up the cabinet, the metal panels could be preserved for building
something a little more compact for ham use.


That's SACRILEGE! It's a little like stripping down a vintage Packard or a
Rolls-Royce and using the parts to build a lawn mower! Where there's a 
will,

there's a way. Several within our group have successfully moved Collins
21E's and other huge rigs.

Phil G.
K2PG



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Re: [AMRadio] Use of an oscilloscope to monitor am audio

[Jim Miller WB5OXQ]

A diagram would help me if you can email it to me.  In 1963 I got my drivers 
license.  Got my learners permit in 62.  Thanks, Jim Miller.

[EMAIL PROTECTED]

- Original Message - 
From: <[EMAIL PROTECTED]>

To: "Discussion of AM Radio" 
Sent: Wednesday, March 22, 2006 7:13 AM
Subject: RE: [AMRadio] Use of an oscilloscope to monitor am audio


I just got a 1963 handbook and I am proud to have it. I was two years old 
when

it was printed.

73
Alan



Quoting "Craig C. Heaton" <[EMAIL PROTECTED]>:


Good Morning Jim,

Yup, some addional hardware is needed for both a waveform and trapezoidal
pattern. Best to get an older ARRL(g) Handbook from the late 1950's
early 1960's. The circuits and hardware are descriped there.

I can send info, .pdf file, jpegs,  and parts list of a little box I 
built

for my cheap $5 hamfest Eico 460.

73's
wd8kdg
Craig

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Jim Miller WB5OXQ
Sent: Saturday, March 18, 2006 9:29 AM
To: Discussion of AM Radio
Subject: [AMRadio] Use of an oscilloscope to monitor am audio


I have a Tektronix model 453a scope and I would like to know how it can 
be

used to monitor transmitted signals.  Do I need extra hardware or an
interface of some type to obtain the trapezoid pattern?  I know some 
scopes

designed for amateur radio have this feature built in so I wonder if my
scope can be used for this?
WB5OXQ.


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Re: [AMRadio] Switching between multiple rigs

[Jim Miller WB5OXQ]

I use the alpha delta coax switches for the antenna connection between 
transcievers.  these have built in lightning protection if you run a good 
ground to the switch and short the unused antenna connection to ground.  I 
do not use this on the output of the linear amplifier, rather on the input 
so 2 different radios can share the amp.  One radio is a TS 2000 Kenwood, 
the other a Ten Tec Orion.  I have never had a problem and the switch has an 
off position which connects neither rig and grounds both antennas for 
additional lightning protection.
- Original Message - 
From: "Mike Duke, K5XU" <[EMAIL PROTECTED]>

To: "Discussion of AM Radio" 
Sent: Sunday, March 26, 2006 7:18 AM
Subject: [AMRadio] Switching between multiple rigs



I want to be able to select between my current 3 rigs via a switch. Since
rice boxes are included, I want the best isolation possible for the
unselected equipment.

Recommendations, please.



Mike Duke, K5XU
American Council of Blind Radio Amateurs



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Re: [AMRadio] Use of an oscilloscope to monitor am audio

[Jim Miller WB5OXQ]

I just checked the specs on my scope and it says it is a dual channel dual 
trace with X-Y capability frequency range DC to 60 Mhz.


- Original Message - 
From: "Jim Wilhite" <[EMAIL PROTECTED]>

To: "Discussion of AM Radio" 
Sent: Saturday, March 18, 2006 3:25 PM
Subject: Re: [AMRadio] Use of an oscilloscope to monitor am audio


Jim I have a Tek 465M that I use.  I also have a tuner with a built in 
balun that I do not use.  I use the tuner with coax  when operating off 
the resonance of my antenna.  My scope and probes are good to 100 Mc and 
provide enough bandwidth to monitor up to 29 Mc.  If your 453's bandwidth 
is less, you won't be able to go as high.

[AMRadio] Use of an oscilloscope to monitor am audio

[Jim Miller WB5OXQ]

I have a Tektronix model 453a scope and I would like to know how it can be 
used to monitor transmitted signals.  Do I need extra hardware or an 
interface of some type to obtain the trapezoid pattern?  I know some scopes 
designed for amateur radio have this feature built in so I wonder if my 
scope can be used for this?
WB5OXQ. 

Re: [AMRadio] Amplifier to use with my DX-60

[Jim Miller WB5OXQ]

About $100 each new I believe  My Centurion has 2 of them and they have 
lasted over 5 years now.  375 watts of carrier is easy on them.
- Original Message - 
From: "John E. Coleman (ARS WA5BXO)" <[EMAIL PROTECTED]>

To: "'Discussion of AM Radio'" 
Sent: Friday, March 17, 2006 10:28 AM
Subject: RE: [AMRadio] Amplifier to use with my DX-60



Yep, there is no doubt that the pair of 3-500Zs and getting rid of
the control carrier on the DX60 would be better but a lot more expense I
think. Aren't 3-500Zs pretty expensive?

John

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jim candela
Sent: Friday, March 17, 2006 10:00 AM
To: Discussion of AM Radio
Subject: RE: [AMRadio] Amplifier to use with my DX-60



John,

  Your approach as always is a good one, and can be made to work out quite
well. This extra box will allow about a 6DB increase in power from what a
screen modulated 6146 can do. The DX-60 with carrier control can arguably
better match up to a linear amplifier, but must of us would agree that
carrier control as done on this rig is too much, and annoying to those
copying a weak signal that goes into and out of the noise with modulation
peaks. Now consider these options:

1.) Modify the DX-60 for non carrier control screen modulation. That 
should

provide about 20 watts carrier with room for + 100% modulation.

2.) Modify the DX-60 for plate modulation. This might require a 6146 bias
change for proper class C plate modulation bias. You will also have to 
deal

with modulating the screen grid. The plate tuning capacitor might flash
over, and other components may need to be beefed up to handle the higher
peak power. Once done, you will have a fine 45-50 watt AM rig that you 
could

be proud of.

3.) Combine option 1 with this: Mate up the modified DX-60 to a linear 
with
1000 watts of dissipation available (like two 3-500Z's). Now you can 
easily

run 250 watts AM or more (maybe 375) of quality AM.

4.) Use the DX-60 as is (stock), or with an amplifier as you wish.


The choice is yours,

Jim
WD5JKO

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of John E. Coleman (ARS
WA5BXO)
Sent: Thursday, March 16, 2006 9:10 PM
To: 'Discussion of AM Radio'
Subject: RE: [AMRadio] Amplifier to use with my DX-60


I still say, forget the linear, and use less money to build a plate
modulator for the DX60.  It will work better, sound better, cost less, and
heat the shack up less. As I recall the DX 60 has a 6146 in the final for
class C CW and puts out about 40-50 watts of carrier if it were plate
modulated it would do at least 200 watts PEP and sound great.  There is a
number of different ways to do the modulator.  A lot of guys just find and
old PA and a transformer to match to the final.  Some build the modulator
output stages only, input XFMR tubes and modulation XFMR.  Then they drive
it with a small microphone amp.  That's more stuff to set around on the 
desk

but it works.  There are a lot of self contained 25 and 50 watt modulator
circuits around and probably a lot of complete one piece store bought
modulators as well.  As I recall, EICO had a pretty nice one that was to 
go

with the EICO model 720 but it was used on many different rigs as well as
being used as a driver for big modulators.  A buddy of mine had an ECIO 
720
and built a nice home brewed modulator for it using 1625s in AB1. It 
sounded

real good.  I built one similar to it with less power output for my Knight
Kit T60.  The T60 had the same control carrier AM that the DX60 does. 
What
a difference it made when it was plate modulated.  Very little 
modification

is necessary in the DX60 to accommodate the external modulator.

John,
WA5BXO



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Re: [AMRadio] Local oscillators and TVI

[Jim Miller WB5OXQ]

When I was in high school in the mid 60s a friend bought a older multiband 
console radio,  RCA model 15K built in 1937.
This was a real good sounding console with a tuned speaker compartment 
housing a 12" EM speaker which must have weighed 30 pounds.  The receiver 
had 15 tubes and push pull 6L6 output so it was healthy to say the least. 
The most interesting band was in the 40-60mhz range which could pick up the 
highway patrol broadcasts.  I now know that was probably supposed to be the 
original FM band that was before they moved it to 88-108mhz.  Anyway those 
radios had no internal antenna and needed a piece of wire attached to the 
antenna terminal for best reception.  We found that an old outdoor tv 
antenna worked real well for reception on the fm band.  I would visit at 
this home at night after supper and we would listen to the police calls for 
a long time.  We soon began to notice the neighbors would have the mobile tv 
repair truck at their house regularly.  I wandered over to listen to the 
conversation the neighbor was having with thje tv repariman as he was 
leaving their house.  It seems that their tv played well in the daytime and 
the repariman could find nothing wrong but ths neighbor told  him that after 
the evening news, they could barely pick up any stations at night (using 
rabbit ears).  That is when we learned about local oscillators.  Since there 
were no tv sets in 1937 and probably no FCC regulations about harmful 
radiations the set was a real good transmitter on the low band channels. 
Our local NBC station was channel 3.  I guess using a tv antenna for an 
external antenna on the old RCA really helped make the transmitted signal 
even stronger!  We found that funny and made a paper label and gluded it to 
the back of the radio stating that "This receiver DOES NOT conform to part 
15"!!!
Later we built a AM broadcast transmitter using a single 6L6 but that was 
short lived and we never got caught.
Jim in Waco, WB5OXQ 

Re: [AMRadio] FM transmitter

[Jim Miller WB5OXQ]

YES
- Original Message - 
From: "Warren" <[EMAIL PROTECTED]>

To: "Discussion of AM Radio" 
Sent: Friday, March 03, 2006 4:32 PM
Subject: Re: [AMRadio] FM transmitter



Is it not against regulations to broadcast music etc. on the HAM Bands?

Warren


- Original Message - 
From: "Rev. Don Sanders" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>; "Discussion of AM Radio" 


Sent: Friday, March 03, 2006 10:14 AM
Subject: Re: [AMRadio] FM transmitter



Better yet, set a 2 meter hand held to low power and feed receiver audio
into the mike jack and use another hand held to listen. I do this on 
simplex
freq 146.55 and can go 3 to 400 feet with no problem monitoring the net 
freq

or dxpedition freq.

Healthfully yours,
 DON
- Original Message - 
From: "Brian Carling" <[EMAIL PROTECTED]>

To: "Discussion of AM Radio" 
Sent: Friday, March 03, 2006 7:26 AM
Subject: RE: [AMRadio] FM transmitter



Yipes - for $399.00 it better be DARN good, LOL!

On 2 Mar 2006 at 21:53, Bob Peters wrote:

> The best FM xmtr I have used is from Broadcast Vision in Ca. They are
> used in health clubs all over the USA. A little costly but work well.
> Are in Sterol and digital. The Crane does not work well. The Ramsey is
> very expensive..
>
> Bob W1PE
>
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Jim Miller 
> WB5OXQ

> Sent: Thursday, March 02, 2006 9:28 PM
> To: Discussion of AM Radio
> Subject: Re: [AMRadio] FM transmitter
>
> Get some wireless speakers.  They come with a small 900mhz transmitter
> and
> usually work up to 150' though they claim 300.  Around $60 a pair at
> radio
> shack
> - Original Message - 
> From: "Donald Chester" <[EMAIL PROTECTED]>

> To: 
> Sent: Thursday, March 02, 2006 4:40 PM
> Subject: [AMRadio] FM transmitter
>
>
> >
> >
> >>>Hope they don't measure the FM broadcast transmitter I have,
> >>>so I can listen while doing stuff around the house and yard
> >>>with a walkman, its over a watt I think...
> >
> > What kind of FM transmitter do you use?  I have been looking for
> something
> > so I can use to feed streaming audio from my desktop computer to all
> the
> > FM radios on my property, so I don't have to sit in front of the
> computer
> > to listen.
> >
> > I ordered one of the little FM stereo xmtrs from C Crane.  It had 
> > good

>
> > synthesised frequency stability, but the audio was distorted and it
> had a
> > range of about 35 feet.  I need good solid coverage within a radius 
> > of

> at
> > least 100 feet.  I had intended to experiment with an external 
> > antenna

>
> > with the thing, but it crapped out before I could do that.  They
> refunded
> > my money.
> >
> > I think Ramsey sells kits, but I have heard they are pieces of crap.
> >
> > Don
> > k4kyv
> >
> > ___
> >
> > This message was typed using the DVORAK keyboard layout.  Try it -
> you'll
> > like it.
> > http://www.mwbrooks.com/dvorak/
> > http://gigliwood.com/abcd/
> >
> >
> > __
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> >
> >
> >
>
>
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Re: [AMRadio] FM transmitter

[Jim Miller WB5OXQ]

Just trying to keep you out of trouble!  ; )
I am sure my neighbors don't need a fm radio to hear my station especially 
when I am on AM!


- Original Message - 
From: "Brian Carling" <[EMAIL PROTECTED]>

To: "Discussion of AM Radio" 
Sent: Friday, March 03, 2006 7:23 AM
Subject: Re: [AMRadio] FM transmitter



But if you use wireless speakers you don't get to introduce
your neighbors who roam the FM dial to the joys of amateur radio!

On 2 Mar 2006 at 21:28, Jim Miller WB5OXQ wrote:

Get some wireless speakers.  They come with a small 900mhz transmitter 
and
usually work up to 150' though they claim 300.  Around $60 a pair at 
radio

shack


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Re: [AMRadio] FM transmitter

[Jim Miller WB5OXQ]

Get some wireless speakers.  They come with a small 900mhz transmitter and 
usually work up to 150' though they claim 300.  Around $60 a pair at radio 
shack
- Original Message - 
From: "Donald Chester" <[EMAIL PROTECTED]>

To: 
Sent: Thursday, March 02, 2006 4:40 PM
Subject: [AMRadio] FM transmitter






Hope they don't measure the FM broadcast transmitter I have,
so I can listen while doing stuff around the house and yard
with a walkman, its over a watt I think...


What kind of FM transmitter do you use?  I have been looking for something 
so I can use to feed streaming audio from my desktop computer to all the 
FM radios on my property, so I don't have to sit in front of the computer 
to listen.


I ordered one of the little FM stereo xmtrs from C Crane.  It had good 
synthesised frequency stability, but the audio was distorted and it had a 
range of about 35 feet.  I need good solid coverage within a radius of at 
least 100 feet.  I had intended to experiment with an external antenna 
with the thing, but it crapped out before I could do that.  They  refunded 
my money.


I think Ramsey sells kits, but I have heard they are pieces of crap.

Don
k4kyv

___

This message was typed using the DVORAK keyboard layout.  Try it - you'll 
like it.

http://www.mwbrooks.com/dvorak/
http://gigliwood.com/abcd/


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