date:20051220

Always!!!

Paul


-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of Neil McKie
Sent: Tuesday, December 20, 2005 9:32 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] RCA 700 Series Radios Available



  Paul ... smile ...

  Neil

Paul Finch wrote:
>
> Neil,
>
> Like I said, it been a good long time.  Emphasis on good.
>
> Paul
>
> -Original Message-
> From: Repeater-Builder@yahoogroups.com
>







 
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Re: [Repeater-Builder] RCA 500/700 Series Power Amp Module


  He's quite correct ... they be heavy. 

  Neil 

Paul Finch wrote:
> 
> Robin,
> 
> As far as I can remember the 700 did not use any kind of module, 
> it seems the multiplier stage showed out the top on the left hand. 
> I think Neil has worked on them since I did, I do have at least 
> two 700 VHF base stations and one 700 UHF repeater I would love to 
> sell!  The VHF units would fall on 2 meter Ham frequencies and the 
> UHF repeater is already on 444.850 TX and 449.875 MHz RX.
> 
> If shipping is involved you better have deep pockets, they be heavy!
> 
> Paul
> 
> -Original Message-
> From: Repeater-Builder@yahoogroups.com
> [mailto:[EMAIL PROTECTED] Behalf Of Robin Midgett
> Sent: Tuesday, December 20, 2005 4:05 PM
> To: Repeater-Builder@yahoogroups.com
> Subject: [Repeater-Builder] RCA 500/700 Series Power Amp Module
> 
> On the subject of the RCA 500 & 700 series (since there seems to be a
> knowledge base among the group)...the later models of the 500 series
> used a RF amplifier module to drive the PA. It is a blue package,
> that, I'm told, replaced (partially) a former complicated and
> unreliable tripler section.
> Did the 700 series use that same module? I'm looking for one for a
> friend..no luck yet. I have several 500 series mobile rigs on hand,
> but all that I've inspected thus far lack the blue gain block that I
> seek. I haven't opened any of the pile of 700 series rigs yet.
> 
> Thanks,
> Robin Midgett K4IDC
> 615-322-5836 office - rolls to pager
> 615-835-7699 pager
> 615-301-1642 home
> [EMAIL PROTECTED]
> [EMAIL PROTECTED]
> http://www.people.vanderbilt.edu/~robin.midgett/index.htm
> 
> Yahoo! Groups Links
> 
> 
> Yahoo! Groups Links
> 
> 
> 
>





 
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Re: [Repeater-Builder] RCA 700 Series Radios Available


  Paul ... smile ... 

  Neil 

Paul Finch wrote:
> 
> Neil,
> 
> Like I said, it been a good long time.  Emphasis on good.
> 
> Paul
> 
> -Original Message-
> From: Repeater-Builder@yahoogroups.com
> [mailto:[EMAIL PROTECTED] Behalf Of Neil McKie
> Sent: Tuesday, December 20, 2005 2:07 PM
> To: Repeater-Builder@yahoogroups.com
> Subject: Re: [Repeater-Builder] RCA 700 Series Radios Available
> 
>   The RCA Series 500 mobile is as Paul says ... except the exciter
>  is located in the receiver housing.
> 
> Paul Finch wrote:
> >
> > Jim,
> >
> > The RCA 500 series radios were two strips sort of like the
> > Mastr Pro, the Pro had an additional strip in the middle for the
> > power supply.  My second repeater was a Pro, I took the mobile
> > power supply out and modified a 100 watt "A" strip supply to run
> > it.  I had to build a 12 and 10 volt supply.
> >
> > The RCA 700 (3.5X12X12) is more like the Mocom 70 but more square
> > and the RCA 1000 (3.5X12X15) series is the same as the 700 but has
> 
> 
> Yahoo! Groups Links
> 
> 
> 
>





 
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RE: [Repeater-Builder] hdtv radio shack ant ????

2005-12-20 Thread Rick & Charlotte

> 
> There are always things like "digital ready", I made sure that was on
> the pair of headphones for my portable CD player.
> 


This is a good one .. how is audio 'digital'   its not a 1 or a 0 ... its 
analog ... just another way to raise the price tag on the same old 
stuff .. 

ummm  I would just love to have my repeater 'digital ready' .. think I 
could sell the old radios with the new tag ?




Rick Szajkowski VA3 RZS
Charlotte Darby VA3 CMR
Node Owners of IRLP Node 2120
147.300 + VA3 OME
224.420 -  VA3 OME
Part of The Omeme Amateur Radio Club
Peterborough Ont. Canada





 
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[Repeater-Builder] Re: Vanity call resumes

2005-12-20 Thread wn1b8


Go to www.vanityhq.com. All the info you need is there.

Scott Madison, WN1B


--- In Repeater-Builder@yahoogroups.com, "Maire-Radios"  wrote:
>
> how do you get a vanity call sign?  could you please give me a 
little info?
> 
> thanks
> 
> 
> - Original Message - 
> From: "N9WYS" <[EMAIL PROTECTED]>
> To: 
> Sent: Tuesday, December 20, 2005 7:17 PM
> Subject: RE: [Repeater-Builder] Vanity call resumes
> 
> 
> > They discontinued after the hurricane problems along the Gulf 
coast - 
> > mainly
> > because many hams in that area couldn't renew licenses and/or 
apply for
> > vanity call signs for a while.
> >
> > Mark - N9WYS
> >
> > -Original Message-
> > From: Repeater-Builder@yahoogroups.com
> > [mailto:[EMAIL PROTECTED] On Behalf Of Jim B.
> > Sent: Tuesday, December 20, 2005 4:18 PM
> > To: Repeater-Builder@yahoogroups.com
> > Subject: Re: [Repeater-Builder] Vanity call resumes
> >
> > Coy Hilton wrote:
> >
> >> FCC processing of Vanity Calls scheduled to resume January 4 
2006.
> >> 73
> >> AC0Y
> >
> > didn't know they stopped. can't imagine why they would either...
> > (not that it matters to me anyway)
> > -- 
> > Jim Barbour
> > WD8CHL
> >
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
>









 
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Re: [Repeater-Builder] Vanity call resumes

2005-12-20 Thread Ted Leonard

Maire-Radios wrote:

>how do you get a vanity call sign?  could you please give me a little info?
>
>thanks
>The short answer is it isn't easy, atleast that was my experience.
>  
>
Start at QRZ.com you will find links etc much to much to go into here. 
But then I hate working thru beaurocracy more than most YMMV.  I did it 
about a year ago, I am glad I did but wouldn't want to again but that is me.
Ted  W3VG  (despite the e-mail address)

>- Original Message - 
>From: "N9WYS" <[EMAIL PROTECTED]>
>To: 
>Sent: Tuesday, December 20, 2005 7:17 PM
>Subject: RE: [Repeater-Builder] Vanity call resumes
>
>
>  
>
>>They discontinued after the hurricane problems along the Gulf coast - 
>>mainly
>>because many hams in that area couldn't renew licenses and/or apply for
>>vanity call signs for a while.
>>
>>Mark - N9WYS
>>
>>-Original Message-
>>From: Repeater-Builder@yahoogroups.com
>>[mailto:[EMAIL PROTECTED] On Behalf Of Jim B.
>>Sent: Tuesday, December 20, 2005 4:18 PM
>>To: Repeater-Builder@yahoogroups.com
>>Subject: Re: [Repeater-Builder] Vanity call resumes
>>
>>Coy Hilton wrote:
>>
>>
>>
>>>FCC processing of Vanity Calls scheduled to resume January 4 2006.
>>>73
>>>AC0Y
>>>  
>>>
>>didn't know they stopped. can't imagine why they would either...
>>(not that it matters to me anyway)
>>-- 
>>Jim Barbour
>>WD8CHL
>>
>>
>>
>>
>>
>>
>>Yahoo! Groups Links
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>Yahoo! Groups Links
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
>
>
>
>
> 
>Yahoo! Groups Links
>
>
>
> 
>
>
>
>
>  
>






 
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RE: [Repeater-Builder] hdtv radio shack ant ????

2005-12-20 Thread Daron J. Wilson


> >B&W TV, Color TV, HDTV... they ALL use the same frequencies and the same
> >antennas would work equally well.
> 
> <---Seems to me I remember the "color" antennas were being pushed as wide
> bandwidth. Which of course you needed for color TV!


There are always things like "digital ready", I made sure that was on the
pair of headphones for my portable CD player.

Or those gold plated connectors on the PC motherboard where the bracket
AROUND the pins is gold colored...those go really fast.

73






 
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RE: [Repeater-Builder] hdtv radio shack ant ????

2005-12-20 Thread Daron J. Wilson

More importantly to this group, how do I interface it to my repeater ??



> -Original Message-
> From: Repeater-Builder@yahoogroups.com [mailto:Repeater-
> [EMAIL PROTECTED] On Behalf Of mch
> Sent: Tuesday, December 20, 2005 4:48 PM
> To: Repeater-Builder@yahoogroups.com
> Subject: Re: [Repeater-Builder] hdtv radio shack ant 
> 
> You know, this subject (mail subject line) reminds me of the stories I
> was told about them coming out with antennas for *COLOR* TV that were
> interpreted to be different from B&W TV antennas. Supposedly, for color
> TV you needed a Color TV antenna.
> 
> B&W TV, Color TV, HDTV... they ALL use the same frequencies and the same
> antennas would work equally well.
> 
> Joe M.







 
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Re: [Repeater-Builder] hdtv radio shack ant ????

2005-12-20 Thread Ken Arck

At 09:07 PM 12/20/2005 -0500, you wrote:
>had some here in Florida would sell the silver non plated ant as B&W  the 
>gold ones were for color  so when you went in the area you know who had the 
>color TV. good sales campaign

<---Back in the early 70's, I worked at an electronics store that also did
quite a bit with higher end consumer audio. 

I remember the fun we used to have convincing customers that should use the
bare copper conductor in their speaker wire for the positive connection and
the tinned conductor for the negative because one was better for positive
electrons and the other was better for negative ones.

We never did have anyone question us

Ken

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Re: [Repeater-Builder] hdtv radio shack ant ????

2005-12-20 Thread Maire-Radios

had some here in Florida would sell the silver non plated ant as B&W  the 
gold ones were for color  so when you went in the area you know who had the 
color TV.
good sales campaign



- Original Message - 
From: "Ken Arck" <[EMAIL PROTECTED]>
To: 
Sent: Tuesday, December 20, 2005 8:55 PM
Subject: Re: [Repeater-Builder] hdtv radio shack ant 


> At 07:48 PM 12/20/2005 -0500, you wrote:
>
>>B&W TV, Color TV, HDTV... they ALL use the same frequencies and the same
>>antennas would work equally well.
>
> <---Seems to me I remember the "color" antennas were being pushed as wide
> bandwidth. Which of course you needed for color TV!
>
> Ken
> --
> President and CTO - Arcom Communications
> Makers of state-of-the-art repeater controllers and accessories.
> http://www.ah6le.net/arcom/index.html
> We offer complete Kenwood TKR repeater packages!
> We are now an authorized Telewave Dealer!
> AH6LE/R - IRLP Node 3000
> http://www.irlp.net
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
> 






 
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Re: [Repeater-Builder] Vanity call resumes

2005-12-20 Thread Maire-Radios

how do you get a vanity call sign?  could you please give me a little info?

thanks


- Original Message - 
From: "N9WYS" <[EMAIL PROTECTED]>
To: 
Sent: Tuesday, December 20, 2005 7:17 PM
Subject: RE: [Repeater-Builder] Vanity call resumes


> They discontinued after the hurricane problems along the Gulf coast - 
> mainly
> because many hams in that area couldn't renew licenses and/or apply for
> vanity call signs for a while.
>
> Mark - N9WYS
>
> -Original Message-
> From: Repeater-Builder@yahoogroups.com
> [mailto:[EMAIL PROTECTED] On Behalf Of Jim B.
> Sent: Tuesday, December 20, 2005 4:18 PM
> To: Repeater-Builder@yahoogroups.com
> Subject: Re: [Repeater-Builder] Vanity call resumes
>
> Coy Hilton wrote:
>
>> FCC processing of Vanity Calls scheduled to resume January 4 2006.
>> 73
>> AC0Y
>
> didn't know they stopped. can't imagine why they would either...
> (not that it matters to me anyway)
> -- 
> Jim Barbour
> WD8CHL
>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
> 






 
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Re: [Repeater-Builder] hdtv radio shack ant ????

2005-12-20 Thread Ken Arck

At 07:48 PM 12/20/2005 -0500, you wrote:

>B&W TV, Color TV, HDTV... they ALL use the same frequencies and the same
>antennas would work equally well.

<---Seems to me I remember the "color" antennas were being pushed as wide
bandwidth. Which of course you needed for color TV!

Ken
--
President and CTO - Arcom Communications
Makers of state-of-the-art repeater controllers and accessories.
http://www.ah6le.net/arcom/index.html
We offer complete Kenwood TKR repeater packages!
We are now an authorized Telewave Dealer!
AH6LE/R - IRLP Node 3000
http://www.irlp.net




 
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Re: [Repeater-Builder] hdtv radio shack ant ????

2005-12-20 Thread mch

You know, this subject (mail subject line) reminds me of the stories I
was told about them coming out with antennas for *COLOR* TV that were
interpreted to be different from B&W TV antennas. Supposedly, for color
TV you needed a Color TV antenna.

B&W TV, Color TV, HDTV... they ALL use the same frequencies and the same
antennas would work equally well.

Joe M.





 
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Re: [Repeater-Builder] hdtv radio shack ant ????

2005-12-20 Thread mch

HDTV stations use the same channels as analog TV stations.

If you have a channel 2, for example, and they put up a HDTV station, it
may be on TV channel 19.

Joe M.





 
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RE: [Repeater-Builder] Vanity call resumes

2005-12-20 Thread N9WYS

They discontinued after the hurricane problems along the Gulf coast - mainly
because many hams in that area couldn't renew licenses and/or apply for
vanity call signs for a while.

Mark - N9WYS

-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Jim B.
Sent: Tuesday, December 20, 2005 4:18 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Vanity call resumes

Coy Hilton wrote:

> FCC processing of Vanity Calls scheduled to resume January 4 2006.
> 73
> AC0Y

didn't know they stopped. can't imagine why they would either...
(not that it matters to me anyway)
-- 
Jim Barbour
WD8CHL

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RE: [Repeater-Builder] hdtv radio shack ant ????

2005-12-20 Thread Mike Perryman K5JMP






Toby,
Go to 
this website and select the TV button, enter any callsign and click 
search.. It will return all current records for the facility you 
enter.  To include any directional pattern data.  It is free for all 
to use...  even the FCC Staffers use it, as it is faster than their own 
servers.  We download all the ULS databases everynight, so the data will be 
current.
 
http://www.fccinfo.com/
73,
mike

  -Original Message-From: 
  Repeater-Builder@yahoogroups.com 
  [mailto:[EMAIL PROTECTED]On Behalf Of 
  TobySent: Tuesday, December 20, 2005 5:46 PMTo: 
  Repeater-Builder@yahoogroups.comSubject: [Repeater-Builder] hdtv 
  radio shack ant 
  hi just got me a hdtv at mal mart with hdtv tuner 
  build inside.
   i get the best tv picture  i every 
  had. here  ..
   at what freqency in the uhf band is the 
  hdtv send on...
   cant seem to find it anywhere  on the 
  internet...???
   
  i useing  a homebuild uhf ant with a pre 
  amp..
    would like to build the ant for for the 
  hdtv frequency..?
    toby...n9fdf
   













  




  
  
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Re: [Repeater-Builder] Vanity call resumes

Coy Hilton wrote:

> FCC processing of Vanity Calls scheduled to resume January 4 2006.
> 73
> AC0Y

didn't know they stopped. can't imagine why they would either...
(not that it matters to me anyway)
-- 
Jim Barbour
WD8CHL





 
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RE: [Repeater-Builder] RCA 500/700 Series Power Amp Module

Robin,

As far as I can remember the 700 did not use any kind of module, it seems
the multiplier stage showed out the top on the left hand.  I think Neil has
worked on them since I did, I do have at least two 700 VHF base stations and
one 700 UHF repeater I would love to sell!  The VHF units would fall on 2
meter Ham frequencies and the UHF repeater is already on 444.850 TX and
449.875 MHz RX.

If shipping is involved you better have deep pockets, they be heavy!

Paul

-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of Robin Midgett
Sent: Tuesday, December 20, 2005 4:05 PM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] RCA 500/700 Series Power Amp Module


On the subject of the RCA 500 & 700 series (since there seems to be a
knowledge base among the group)...the later models of the 500 series
used a RF amplifier module to drive the PA. It is a blue package,
that, I'm told, replaced (partially) a former complicated and
unreliable tripler section.
Did the 700 series use that same module? I'm looking for one for a
friend..no luck yet. I have several 500 series mobile rigs on hand,
but all that I've inspected thus far lack the blue gain block that I
seek. I haven't opened any of the pile of 700 series rigs yet.

Thanks,
Robin Midgett K4IDC
615-322-5836 office - rolls to pager
615-835-7699 pager
615-301-1642 home
[EMAIL PROTECTED]
[EMAIL PROTECTED]
http://www.people.vanderbilt.edu/~robin.midgett/index.htm






Yahoo! Groups Links













 
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Re: [Repeater-Builder] hdtv radio shack ant ????

2005-12-20 Thread Chuck Kelsey

Google the TV station call signs in your area and their web sites will 
tell you the DTV channel number.

Chuck



Toby wrote:
> hi just got me a hdtv at mal mart with hdtv tuner build inside.
>  i get the best tv picture  i every had. here  ..
>  at what freqency in the uhf band is the hdtv send on...
>  cant seem to find it anywhere  on the internet...???
>  
> i useing  a homebuild uhf ant with a pre amp..
>   would like to build the ant for for the hdtv frequency..?
>   toby...n9fdf
>  
> 
> 
> 
> 
> 
> 
> 
> 
> YAHOO! GROUPS LINKS
> 
> *  Visit your group "Repeater-Builder
>   " on the web.
>
> *  To unsubscribe from this group, send an email to:
>[EMAIL PROTECTED]
>   
>
> *  Your use of Yahoo! Groups is subject to the Yahoo! Terms of
>   Service .
> 
> 
> 
> 





 
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RE: [Repeater-Builder] RCA 700 Series Radios Available

Neil,

Like I said, it been a good long time.  Emphasis on good.

Paul


-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of Neil McKie
Sent: Tuesday, December 20, 2005 2:07 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] RCA 700 Series Radios Available



  The RCA Series 500 mobile is as Paul says ... except the exciter
 is located in the receiver housing.


Paul Finch wrote:
>
> Jim,
>
> The RCA 500 series radios were two strips sort of like the
> Mastr Pro, the Pro had an additional strip in the middle for the
> power supply.  My second repeater was a Pro, I took the mobile
> power supply out and modified a 100 watt "A" strip supply to run
> it.  I had to build a 12 and 10 volt supply.
>
> The RCA 700 (3.5X12X12) is more like the Mocom 70 but more square
> and the RCA 1000 (3.5X12X15) series is the same as the 700 but has







 
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[Repeater-Builder] hdtv radio shack ant ????

2005-12-20 Thread Toby






hi just got me a hdtv at mal mart with hdtv tuner 
build inside.
 i get the best tv picture  i every had. 
here  ..
 at what freqency in the uhf band is the hdtv 
send on...
 cant seem to find it anywhere  on the 
internet...???
 
i useing  a homebuild uhf ant with a pre 
amp..
  would like to build the ant for for the hdtv 
frequency..?
  toby...n9fdf
 













  




  
  
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[Repeater-Builder] RCA 500/700 Series Power Amp Module

2005-12-20 Thread Robin Midgett

On the subject of the RCA 500 & 700 series (since there seems to be a 
knowledge base among the group)...the later models of the 500 series 
used a RF amplifier module to drive the PA. It is a blue package, 
that, I'm told, replaced (partially) a former complicated and 
unreliable tripler section.
Did the 700 series use that same module? I'm looking for one for a 
friend..no luck yet. I have several 500 series mobile rigs on hand, 
but all that I've inspected thus far lack the blue gain block that I 
seek. I haven't opened any of the pile of 700 series rigs yet.

Thanks,
Robin Midgett K4IDC
615-322-5836 office - rolls to pager
615-835-7699 pager
615-301-1642 home
[EMAIL PROTECTED]
[EMAIL PROTECTED]
http://www.people.vanderbilt.edu/~robin.midgett/index.htm 





 
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[Repeater-Builder] Vanity call resumes

2005-12-20 Thread Coy Hilton

FCC processing of Vanity Calls scheduled to resume January 4 2006.
73
AC0Y







 
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[Repeater-Builder] Test Receiver

2005-12-20 Thread Ken Arck

A customer of ours in Puerto Rico asked if we could help sell an extra
piece of test equipment and I, being the absolutely greatest human being on
the planet, said I'd at least let some folks know about it.

Anyway, he has a Rhode & Schwartz Test Receiver/ Spectrum Analyzer, with a
range up to 7 GHz. 

He says he paid $24K for this thing but is willing to be EXTREMELY
reasonable in what he'd take for it. So, I guess that means make an offer.

If you're interested, email me offlist and I'll get you 2 in touch.

A datasheet on the device may be had here:

http://www.ah6le.net/arcom/espi.zip

Ken


http://www.ah6le.net/arcom/espi.zip




 
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Re: [Repeater-Builder] RCA 700 Series Radios Available

  Nope ... 

  One basic cad plated chassis with a metal casting on the front. 

  The receiver front end, oscillator / multiplier chain and first 
 IF sections are in the front mounted metal casting mounted on the 
 chassis.  The second IF and audio/squelch board is mounted on the 
 bottom of the back half of the chassis  

  The top of the back half of the chassis has the Quiet Channel Board 
 (similar to Motorola Private Line) next to the exciter which are 
 mounted above Second IF / Audio squelch board ... 

  The transmitter multiplier chain is on a separate chassis mounted 
 circuit board just to the right of the exciter. 

  The last power multiplier and PA deck part of the transmitter is 
 on the rear, but separate, aluminum casting / heatsink. 

  The two metering jacks are mounted on a separate bracket just 
 above and to the right of the receiver front end. 

  The RCA Series 1000 and ML1000 are just a higher powered 
 transmitter version of the RCA Series 700.

  BTW, the ML on ML1000 ... stood for Meadow Lands PA - where the 
 RCA Office was then located. 

  Hope this helps, 

  Neil - WA6KLA 

"Jim B." wrote:
> 
> Neil McKie wrote:
> 
> >   Excuse me Michael ...
> >
> >   I have several RCA Series 700 mobiles and stations here on both
> >  High-band and UHF - none of them have a single tube in them.  I
> >  also have the supporting factory issued Instruction Manuals
> 
> Curious-are the mobiles put together sort of like a Mastr Pro, with two
> 'boxey' chassis on either side of the power supply, or more like a
> Mocom-70, flat with no PS and the PA heat sink sticking out the back?
> 
> --
> Jim Barbour
> WD8CHL
> 
> 
> Yahoo! Groups Links
> 
> 
> 
>

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Re: [Repeater-Builder] RCA 700 Series Radios Available


  The RCA Series 500 mobile is as Paul says ... except the exciter 
 is located in the receiver housing. 

 
Paul Finch wrote:
> 
> Jim,
> 
> The RCA 500 series radios were two strips sort of like the 
> Mastr Pro, the Pro had an additional strip in the middle for the 
> power supply.  My second repeater was a Pro, I took the mobile 
> power supply out and modified a 100 watt "A" strip supply to run 
> it.  I had to build a 12 and 10 volt supply.
> 
> The RCA 700 (3.5X12X12) is more like the Mocom 70 but more square 
> and the RCA 1000 (3.5X12X15) series is the same as the 700 but has 
> a BIG heat sink on the rear.  There was one more model that was 
> similar to the 1000 but was basically the same radio with a newer 
> looking head. 

  I believe you are referring to the ML1000 - a slightly later 
 vesrion of the Series 1000 mobile.  


> Been a long time, bear with me I think I am close to what they 
> actually looked like.  Then we know what happened to RCA after 
> that, the GE days!

  We certainly do ... Required Constant Attention ... 

 
> Paul

  Neil 

> 
> -Original Message-
> From: Repeater-Builder@yahoogroups.com
> [mailto:[EMAIL PROTECTED] Behalf Of Jim B.
> Sent: Tuesday, December 20, 2005 8:57 AM
> To: Repeater-Builder@yahoogroups.com
> Subject: Re: [Repeater-Builder] RCA 700 Series Radios Available
> 
> Neil McKie wrote:
> 
> >   Excuse me Michael ...
> >
> >   I have several RCA Series 700 mobiles and stations here on both
> >  High-band and UHF - none of them have a single tube in them.  I
> >  also have the supporting factory issued Instruction Manuals
> 
> Curious-are the mobiles put together sort of like a Mastr Pro, with two
> 'boxey' chassis on either side of the power supply, or more like a
> Mocom-70, flat with no PS and the PA heat sink sticking out the back?
> 
> --
> Jim Barbour
> WD8CHL
> 
> Yahoo! Groups Links
> 
> 
> Yahoo! Groups Links
> 
> 
> 
>





 
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Re: [Repeater-Builder] Re: Hamtronics T301 220 exciter Final and microphonics

2005-12-20 Thread dalite01

Bryan,

Connect a Cross needle SWR/Power meter to the Output of the PA.

Tune PA for Maximum power

Adjust C2 for Max power with minimum SWR.

Check C3 for shortest lead length to safely solder in.



I am not the most experienced repeater jockey on the list; by a long shot.

I just spent the better part of the morning isolating the problem I had on 
my 6m Hamtronics REP-200 down to input matching.

I finally got someone on the other end to keep it active until the PA 
started putting out a low power signal after the Exciter was turned off by 
the Controller.  The signal was not anywhere near 6 meters.  I don't have a 
working Spectrum Analyzer to determine where it went.

I found the above procedure eliminated the noticeable "spur" being created 
by the LPA 6-25R In the REP-200.

In looking over the manuals for the other Hamtronics repeater PA boards, you 
may even venture to replace the .001 Disc Capacitor C3 with the 1 to 20 pF 
(pink) one from Hamtronics used in the LPA 4-35; designated C11 and C12.  I 
don't know if this is too far away from the Disc's value to be effective; 
just noting that most of the other PA kits have trimming/tuning ability on 
both sides L1.

You may also want to verify that L1 is 1/2" and 1/8th" above the board.

I don't know if this will be any help or not.

David
KD4NUE




- Original Message - 
From: "Bryan Fields" <[EMAIL PROTECTED]>
To: 
Sent: Tuesday, December 20, 2005 2:11 AM
Subject: Re: [Repeater-Builder] Re: Hamtronics T301 220 exciter Final and 
microphonics


> As to the origional question, anyone fixed the microphonics problems with 
> the
> exciter?
>
> -- 
> Bryan Fields, KB9MCI





 
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RE: [Repeater-Builder] RCA 700 Series Radios Available

Jim,

The RCA 500 series radios were two strips sort of like the Mastr Pro, the
Pro had an additional strip in the middle for the power supply.  My second
repeater was a Pro, I took the mobile power supply out and modified a 100
watt "A" strip supply to run it.  I had to build a 12 and 10 volt supply.

The RCA 700 (3.5X12X12) is more like the Mocom 70 but more square and the
RCA 1000 (3.5X12X15) series is the same as the 700 but has a BIG heat sink
on the rear.  There was one more model that was similar to the 1000 but was
basically the same radio with a newer looking head.  Been a long time, bear
with me I think I am close to what they actually looked like.  Then we know
what happened to RCA after that, the GE days!

Paul

-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of Jim B.
Sent: Tuesday, December 20, 2005 8:57 AM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] RCA 700 Series Radios Available

Neil McKie wrote:

>   Excuse me Michael ...
>
>   I have several RCA Series 700 mobiles and stations here on both
>  High-band and UHF - none of them have a single tube in them.  I
>  also have the supporting factory issued Instruction Manuals

Curious-are the mobiles put together sort of like a Mastr Pro, with two
'boxey' chassis on either side of the power supply, or more like a
Mocom-70, flat with no PS and the PA heat sink sticking out the back?

--
Jim Barbour
WD8CHL

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Re: [Repeater-Builder] Re: RVS8 Voter Help needed.

2005-12-20 Thread Bob M.

Some controllers also require a valid COR signal
before they'll recognize the DTMF tones, so you might
want to try manually activating that line and see if
the controller is any happier.

The voter might just provide an audio output without
any COR indication, or perhaps it's an option you need
to configure.

The other thing is insufficient, or too much, audio
level, or an imbalance between the low tones and the
high tones. Using flat instead of de-emphasized audio
to feed the controller could cause that kind of
imbalance.

Bob M.
==
--- Mathew Quaife <[EMAIL PROTECTED]> wrote:

> Hi Dwayne, I am able to hear the tones come out
> through the repeater, and they sound fine, and I can
> get it to work the echolink box just fine, and those
> tones comes through all 5 receivers just fine.  But
> as for any commands for the controller, they just
> will not let me do anything.  I can see them on the
> service monitor and they look good there as well.
>
>   Mathew
>   
> 
> ldgelectronics <[EMAIL PROTECTED]> wrote:
>   Put a scope on the audio output of the voter and
> see if the tones are 
> getting through.
> 
> If not, put the scope on the audio input of one of
> the receivers that 
> you are testing and see if the tones are there.
> 
> If not, go back to the remote receiver and put a
> scope on the receiver 
> to see if the tones are there.
> 
> If you have a controller on your remote receiver,
> make sure it's set 
> to pass touch tones. Many controllers will mute
> touch tones (by 
> default).
> 
> Dwayne Kincaid
> 
> 
> >
> > Ok, all seems to be working, I have five channels
> up and running, 
> they all seem to vote well. The only issue that I
> have now is that I 
> cannot get the controller to accept any DTMF
> commands from any of the 
> receivers. The echolink controller will accept the
> commands just 
> fine, which goes through the controller. Any ideas?
> > 
> > Mathew
> > N9LV

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Re: [Repeater-Builder] RCA 700 Series Radios Available


  Paul, I believe you are correct. 

  The RCA Super-Carfone was the model with the quick heating
 filaments 

  The RCA Super-Carfone 500 Series was more solid-state but 
 had the slower heating tube final. 

  The RCS Series 700, 1000 and ML1000 were all solid state. 

  ... or something like that ... 

  Neil 

Paul Finch wrote:
> 
> Neil,
> 
> If I remember correctly it was the RCA 500 series that had the 
> tube final in the brown strips, am I thinking correctly?  It's 
> been a while!  I thought the 700 line was all transistor in a 
> grey box.  The 700 line was similar to the 1000 line with the 
> 700 being lower power.
> 
> Paul
> 
> -Original Message-
> From: Repeater-Builder@yahoogroups.com
> [mailto:[EMAIL PROTECTED] Behalf Of Neil McKie
> Sent: Tuesday, December 20, 2005 8:19 AM
> To: Repeater-Builder@yahoogroups.com
> Subject: Re: [Repeater-Builder] RCA 700 Series Radios Available
> 
>   Excuse me Michael ...
> 
>   I have several RCA Series 700 mobiles and stations here on both
>  High-band and UHF - none of them have a single tube in them.  I
>  also have the supporting factory issued Instruction Manuals
> 
> Mike Morris wrote:
> >
> > At 09:24 PM 12/19/05, you wrote:
> >
> > >I have available an pile of RCA 700 series rigs, long removed
> > >from service.  They're probably UHF, but I don't know at this
> > >point. Is anyone interested in acquiring any of these for a
> > >nominal fee? (read cheap)
> > >
> > >Thanks,
> > >Robin Midgett K4IDC
> > >VHF+ Glutton EM66se
> >
> > If they are UHF, then anyone who wants a full duplex
> > 420-440MHz point-to-point link will want them.
> >
> > The 700 and 1000 series radios can be range-changed
> > to 406-440 in minutes.  The parts even plug in.
> >
> > Then you unbolt the transmitter PA deck subchassis (one
> > RF tube plus it's transistorized inverter HV supply) and
> > replace it with a coax jumper.  Some models used instant
> > heat tubes (i.e. the tube heater was switched by the mic
> > clip switch), others used normal tubes. But the tube
> > amp can be removed as a complete subchassis.
> 
>   Guess again ... no tube / no transistorized inverter HV
>  supply either.  You must be thinking of the RCA Super-Carfone
>  and Series 500 mobiles.
> 
>   Would you like to visit ... and dig through my collection
>  of RCA issued factory Instruction Manuals?
> 
>   I used to service those radios way back when ... and do
>  remember which is what.
> 
> > After all that work you end up with a radio that will do
> > a nice clean 10w full duplex on a 420-440MHz link
> > channel all day long (continuous duty) with no pain
> > or strain
> >
> > Mike WA6ILQ
> 
>   Go back to bed Michael,
> 
>   Neil McKie - WA6KLA
> 
>





 
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Re: [Repeater-Builder] Re: RVS8 Voter Help needed.

Hi Dwayne, I am able to hear the tones come out through the repeater, and they sound fine, and I can get it to work the echolink box just fine, and those tones comes through all 5 receivers just fine. But as for any commands for the controller, they just will not let me do anything. I can see them on the service monitor and they look good there as well. Mathew ldgelectronics <[EMAIL PROTECTED]> wrote: Put a scope on the audio output of the voter and see if the tones are getting through.If not, put the scope on the audio input of one of the receivers that you are testing and see if the tones are there.If not, go back to the remote receiver and put a scope on the receiver to see if the tones are there.If you have a controller on your remote
receiver, make sure it's set to pass touch tones. Many controllers will mute touch tones (by default).Dwayne Kincaid>> Ok, all seems to be working, I have five channels up and running, they all seem to vote well. The only issue that I have now is that I cannot get the controller to accept any DTMF commands from any of the receivers. The echolink controller will accept the commands just fine, which goes through the controller. Any ideas?> > Mathew> N9LV> > Yahoo! Groups Links<*> To visit your group on the web, go to:http://groups.yahoo.com/group/Repeater-Builder/<*> To unsubscribe from this group, send an email to:[EMAIL PROTECTED]<*> Your use of Yahoo! Groups is subject to:http://docs.yahoo.com/info/terms/
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RE: [Repeater-Builder] Radio Shack 10% Off Coupon good to 12/23

2005-12-20 Thread no6b

At 12/19/2005 22:18, you wrote:
>Bob,
>
>While the number of folks "submitting" to sub-standard HDTV is common, those
>of us who know that none of the DBS and cable providers are sending true
>1080i still seek a good quality "off-air" antenna.  At this point in the
>game, it is the best way to get true "high-def".  And a whole lot cheaper
>for better quality pictures than the highway robbery rates that most of us
>pay for crappy cable.
>
>Interesting that we all plunged headlong into technology, only to find that
>we have been sold out to multi-casting and bandwidth limitations of the
>cable and DBS systems.  How many home shopping channels is enough?  Dish-net
>is sending around 15 of them...  yet I need a second dish to get PBS.  What
>is wrong with this "picture"?

The choir sings "hmen".

Sometimes I can find two UHF low power TV stations broadcasting the same 
satellite sellavision channel at precisely the same time.


>I still long for the day when light-pipe is in every home.  America is so
>far behind the rest of the developed world with regard to data delivery,
>that it just isn't funny anymore.
>
>Many nations have multi-megabit access for less than 25% of your average
>baseline cable bill.  The devil is green!!  Just follow the money and the
>truth is evident.  Fiber is cheap these days..  so is your congressman..
>for sale to the highest bidding lobbyist.

Sounds like a good segue to BPL, but I'll pass.

Bob NO6B






 
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Re: [Repeater-Builder] RCA 700 Series Radios Available

Neil McKie wrote:

>   Excuse me Michael ... 
> 
>   I have several RCA Series 700 mobiles and stations here on both 
>  High-band and UHF - none of them have a single tube in them.  I 
>  also have the supporting factory issued Instruction Manuals 

Curious-are the mobiles put together sort of like a Mastr Pro, with two 
'boxey' chassis on either side of the power supply, or more like a 
Mocom-70, flat with no PS and the PA heat sink sticking out the back?

-- 
Jim Barbour
WD8CHL

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RE: [Repeater-Builder] RCA 700 Series Radios Available

Neil,

If I remember correctly it was the RCA 500 series that had the tube final in
the brown strips, am I thinking correctly?  It's been a while!  I thought
the 700 line was all transistor in a grey box.  The 700 line was similar to
the 1000 line with the 700 being lower power.

Paul

-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of Neil McKie
Sent: Tuesday, December 20, 2005 8:19 AM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] RCA 700 Series Radios Available

  Excuse me Michael ...

  I have several RCA Series 700 mobiles and stations here on both
 High-band and UHF - none of them have a single tube in them.  I
 also have the supporting factory issued Instruction Manuals

Mike Morris wrote:
>
> At 09:24 PM 12/19/05, you wrote:
>
> >I have available an pile of RCA 700 series rigs, long removed
> >from service.  They're probably UHF, but I don't know at this
> >point. Is anyone interested in acquiring any of these for a
> >nominal fee? (read cheap)
> >
> >Thanks,
> >Robin Midgett K4IDC
> >VHF+ Glutton EM66se
>
> If they are UHF, then anyone who wants a full duplex
> 420-440MHz point-to-point link will want them.
>
> The 700 and 1000 series radios can be range-changed
> to 406-440 in minutes.  The parts even plug in.
>
> Then you unbolt the transmitter PA deck subchassis (one
> RF tube plus it's transistorized inverter HV supply) and
> replace it with a coax jumper.  Some models used instant
> heat tubes (i.e. the tube heater was switched by the mic
> clip switch), others used normal tubes. But the tube
> amp can be removed as a complete subchassis.

  Guess again ... no tube / no transistorized inverter HV
 supply either.  You must be thinking of the RCA Super-Carfone
 and Series 500 mobiles.

  Would you like to visit ... and dig through my collection
 of RCA issued factory Instruction Manuals?

  I used to service those radios way back when ... and do
 remember which is what.

> After all that work you end up with a radio that will do
> a nice clean 10w full duplex on a 420-440MHz link
> channel all day long (continuous duty) with no pain
> or strain
>
> Mike WA6ILQ

  Go back to bed Michael,

  Neil McKie - WA6KLA

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Re: Xtal sources (was Re: [Repeater-Builder] I'm stunned...)

2005-12-20 Thread Mike Morris

Might want to ask what they mean by "temperature
compensate".  To me that means whatever electronic
voodoo it takes to keep the unit within 100Hz of
frequency in an unheated / uncooled building on a
local mountaintop at 8,000' AMSL from coldest
winter to hottest summer.

International Crystal doesn't seem to have any
problem doing it.

Mike WA6ILQ

At 11:15 AM 4/29/05, you wrote:

>I don't know .. but when I asked for it to be done .. thay said no
>problem  and we have never had a problem .. could be because
>we (the shop) does a lot of work with them I guess .. I know I am
>going to be ordering some xtals for my clegg and midland 220 from
>then next week
>
>
>
>On 29 Apr 2005 at 12:12, Bob Dengler wrote:
>
> > I wonder why they don't advertise that on their web page, which says
> > that they will recrystal channel elements, not temperature compensate.
> >
> > Bob NO6B
> >
> > At 4/29/2005 12:09 PM, you wrote:
> > >your wrong Kevin . thay do .. you just have to ask .. our UHF mircor
> > >has xtals from them and thay are .. thay work fine .. and we use the
> > >100% in the shop with not a problem
> > >
> > >
> > >
> > >On 29 Apr 2005 at 14:40, Kevin Custer wrote:
> > >
> > > >
> > > > >At 4/28/2005 04:00 PM, you wrote:
> > > > >
> > > > >
> > > > >>try West Crystals
> > > > >>
> > > > >>I have had verry good luck with them
> > > > >>
> > > > >>
> > > > >
> > > > >Me too.  Only problem has been that just about every xtal I get
> > > > >from them won't quite tune to freq. with the fixed capacitance
> > > > >installed in my MVP xtal modules.  But at least once they are
> > > > >tuned they stay on freq.
> > > > >
> > > >
> > > > They do not Temp Comp, so for UHF, I wouldn't
> > > >
> > > > Kevin
> > > >
> >
> >
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
> >
> > --
> > No virus found in this incoming message.
> > Checked by AVG Anti-Virus.
> > Version: 7.0.308 / Virus Database: 266.10.4 - Release Date: 4/27/2005
> >
>
>
>
>
>Rick Szajkowski VA3 RZS
>Charlotte Darby VA3 CMR
>Node Owners of IRLP Node 2120
>147.300 + VA3 OME
>224.420 -  VA3 OME
>Part of The Omeme Amateur Radio Club
>Peterborough Ont. Canada
>
>
>
>
>
>
>Yahoo! Groups Links
>
>
>
>





 
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Re: [Repeater-Builder] Re: Old duplexer tuning question

2005-12-20 Thread Bob M.

If the VF is different, then the lengths would need to
be recalculated. The factory cables use MIL-spec
RG-214 (double shielded, silver-coated), with crimp-on
male N connectors, and the lengths of the new cables I
got matched the lengths in the table of jumpers
RFSystems sent me. When I made my own to the lengths
specified below, the duplexer worked just as well as
with the factory cables. It's hard to argue with
success.

When you have over 100dB of isolation/rejection, you
want all the shielding you can get, so RG-214 is the
way to go (compared to RG-8).

Bob M.
==
--- "[EMAIL PROTECTED]"
<[EMAIL PROTECTED]> wrote:

> I'm assuming that if the old RG-8 cables are being
> replaced with RG-214 cables that are the same
> length, that the velocity factors of both types of
> cable are the same.
> 
> -Original Message-
> >From: "Bob M." <[EMAIL PROTECTED]>
> >Sent: Dec 19, 2005 7:10 PM
> >To: Repeater-Builder@yahoogroups.com
> >Subject: Re: [Repeater-Builder] Re: Old duplexer
> tuning question
> >
> >New cables will be a lot more flexible, and with
> >RG214's double shield, they should work better too.
> >It's tempting to use the coax and TEE fitting as a
> >handle when picking the unit up - don't do that !
> >
> >I found that the connectors added exactly 1/2 inch
> to
> >the cable length PER CONNECTOR, so you would want
> to
> >cut the coax 1 inch shorter than the final lengths
> of
> >11-1/2 and 12 inches. I solder the center pin,
> rather
> >than crimping it.
> >
> >Not too many analyzers will be able to go down to
> the
> >100+ dB that these duplexers are capable of
> providing.
> >That's one reason why they tell you to tune each
> >section separately. I did find that if I use my
> signal
> >generator at a fixed frequency, rather than the
> >sweeping tracking generator, I can tune the
> spectrum
> >analyzer to the same frequency and crank down the
> >filters. I can barely see the sig gen around 120dB
> >down or more, on the final configuration.
> >
> >As others have mentioned, if your equipment does
> not
> >provide a good 50 ohm impedance, you should use
> 6-12dB
> >pads on each line connected to the section you're
> >tuning. Of course, adding this attenuation pushes
> the
> >signal even further down into the noise, but it
> should
> >not be a problem on any single section. Use as much
> >signal from the tracking generator as possible
> (i.e.
> >+10dBm or more).
> >
> >The resulting notch from the entire duplexer will
> >appear to be quite wide, even though the individual
> >section notches are quite narrow.
> >
> >Good luck with it in the morning when it's warmer.
> >
> >Bob M.
> >==
> >--- tony dinkel <[EMAIL PROTECTED]> wrote:
> >
> >> All, thanks very much for the input.  I was
> already
> >> in the process of
> >> rebuilding the interconnects to RG-214 with crimp
> on
> >> RFS connectors as
> >> a punt.  That old RG-8 was hard as a rock.
> >> 
> >> I also think my problem with the notches is that
> I
> >> do not have enough
> >> dynamic range on my ifr 1600 to see the bottom. 
> It
> >> works ok on the
> >> individual cavities but once I combine the whole
> >> circuit thats when it
> >> mushes out.
> >> 
> >> I think I will get this thing knocked out in the
> >> morning.  This place
> >> is getting dark and cold.
> >> 
> >> Thanks,
> >> 
> >> td
> >> wb6mie

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RE: [Repeater-Builder] Re: Old duplexer tuning question

2005-12-20 Thread Jeff DePolo WN3A

> I'm assuming that if the old RG-8 cables are being replaced 
> with RG-214 cables that are the same length, that the 
> velocity factors of both types of cable are the same.

Yep, 66%.  Unless it's RG-8 foam, but I'm 99% sure that PD used regular
solid dielectric RG-8.

--- Jeff







 
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[Repeater-Builder] Re: RVS8 Voter Help needed.

2005-12-20 Thread ldgelectronics

Put a scope on the audio output of the voter and see if the tones are 
getting through.

If not, put the scope on the audio input of one of the receivers that 
you are testing and see if the tones are there.

If not, go back to the remote receiver and put a scope on the receiver 
to see if the tones are there.

If you have a controller on your remote receiver, make sure it's set 
to pass touch tones. Many controllers will mute touch tones (by 
default).

Dwayne Kincaid


>
> Ok, all seems to be working, I have five channels up and running, 
they all seem to vote well.  The only issue that I have now is that I 
cannot get the controller to accept any DTMF commands from any of the 
receivers.  The echolink controller will accept the commands just 
fine, which goes through the controller.  Any ideas?
>
>   Mathew
>   N9LV
>   
> 








 
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Re: [Repeater-Builder] Re: Old duplexer tuning question

2005-12-20 Thread [EMAIL PROTECTED]

I'm assuming that if the old RG-8 cables are being replaced with RG-214 cables 
that are the same length, that the velocity factors of both types of cable are 
the same.

-Original Message-
>From: "Bob M." <[EMAIL PROTECTED]>
>Sent: Dec 19, 2005 7:10 PM
>To: Repeater-Builder@yahoogroups.com
>Subject: Re: [Repeater-Builder] Re: Old duplexer tuning question
>
>New cables will be a lot more flexible, and with
>RG214's double shield, they should work better too.
>It's tempting to use the coax and TEE fitting as a
>handle when picking the unit up - don't do that !
>
>I found that the connectors added exactly 1/2 inch to
>the cable length PER CONNECTOR, so you would want to
>cut the coax 1 inch shorter than the final lengths of
>11-1/2 and 12 inches. I solder the center pin, rather
>than crimping it.
>
>Not too many analyzers will be able to go down to the
>100+ dB that these duplexers are capable of providing.
>That's one reason why they tell you to tune each
>section separately. I did find that if I use my signal
>generator at a fixed frequency, rather than the
>sweeping tracking generator, I can tune the spectrum
>analyzer to the same frequency and crank down the
>filters. I can barely see the sig gen around 120dB
>down or more, on the final configuration.
>
>As others have mentioned, if your equipment does not
>provide a good 50 ohm impedance, you should use 6-12dB
>pads on each line connected to the section you're
>tuning. Of course, adding this attenuation pushes the
>signal even further down into the noise, but it should
>not be a problem on any single section. Use as much
>signal from the tracking generator as possible (i.e.
>+10dBm or more).
>
>The resulting notch from the entire duplexer will
>appear to be quite wide, even though the individual
>section notches are quite narrow.
>
>Good luck with it in the morning when it's warmer.
>
>Bob M.
>==
>--- tony dinkel <[EMAIL PROTECTED]> wrote:
>
>> All, thanks very much for the input.  I was already
>> in the process of
>> rebuilding the interconnects to RG-214 with crimp on
>> RFS connectors as
>> a punt.  That old RG-8 was hard as a rock.
>> 
>> I also think my problem with the notches is that I
>> do not have enough
>> dynamic range on my ifr 1600 to see the bottom.  It
>> works ok on the
>> individual cavities but once I combine the whole
>> circuit thats when it
>> mushes out.
>> 
>> I think I will get this thing knocked out in the
>> morning.  This place
>> is getting dark and cold.
>> 
>> Thanks,
>> 
>> td
>> wb6mie
>
>__
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>
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>
>
> 
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>
>
>
> 
>
>





 
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Re: [Repeater-Builder] Re: Hamtronics T301 220 exciter Final andmicrophonics


  That will work !! 

  Neil 

"Jim B." wrote:
> 
> Neil McKie wrote:
> 
> >   Or a 20 lb sledge hammer?
> >
> >   Neil - WA6KLA
> 
> Only if you can't get the explosives!
> 
> Jim
> 
> >
> > "Jim B." wrote:
> >
> >>Bryan Fields wrote:
> >>
> >>
> >>>As to the origional question, anyone fixed the microphonics problems with 
> >>>the
> >>>exciter?
> >>
> >>heh-I have a fix-it involves small explosive devices...
> 
> 
> Yahoo! Groups Links
> 
> 
> 
>





 
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Re: [Repeater-Builder] Re: Hamtronics T301 220 exciter Final andmicrophonics

Neil McKie wrote:

>   Or a 20 lb sledge hammer? 
> 
>   Neil - WA6KLA 

Only if you can't get the explosives!

Jim

> 
> "Jim B." wrote:
> 
>>Bryan Fields wrote:
>>
>>
>>>As to the origional question, anyone fixed the microphonics problems with the
>>>exciter?
>>
>>heh-I have a fix-it involves small explosive devices...






 
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RE: [Repeater-Builder] Re: Hamtronics T301 220 exciter Final and microphonics

2005-12-20 Thread Jeff DePolo WN3A


If the PA microphonic AM'ming is severe enough, there could be enough power
supply modulation, due to the PA current varying by the AM occuring in the
PA, that FM at the same modulation rate can occur in preceding exciter
stages (such as in the crystal oscillator, modulator, active temperature
compensation circuits, etc.).  Not knowing how a T301 is designed I don't
know how likely this is, but it's quite possible.

--- Jeff


> -Original Message-
> From: Repeater-Builder@yahoogroups.com 
> [mailto:[EMAIL PROTECTED] On Behalf Of Bryan Fields
> Sent: Tuesday, December 20, 2005 2:11 AM
> To: Repeater-Builder@yahoogroups.com
> Subject: Re: [Repeater-Builder] Re: Hamtronics T301 220 
> exciter Final and microphonics
> 
> 
> On Monday 19 December 2005 11:48 pm, Ken Arck wrote:
> > Don't forget that in both PM and FM schemes, the modulation 
> is done early
> > on and multiplied. So for a typical multiplication scheme 
> of x 9, the
> > modulation introduced only needs to be 550 Hz or so (for a 
> 5 Khz spec). And
> > even a paultry 550 Hz requires a fair amount of audio voltage to
> > accomplish.
> 
> In most PLL units I have worked with in the "ham" market the 
> vco is modulated 
> directly on the loop op amp.  There in no multiplication the 
> VCO runs at the 
> output frequency.
> 
> As to the origional question, anyone fixed the microphonics 
> problems with the 
> exciter?
> 
> -- 
> Bryan Fields, KB9MCI
> 
>  01:07:04 up 3 days, 14 min,  2 users,  load average: 0.31, 0.23, 0.26
>  
> Somewhere in DOWNTOWN BURBANK a prostitute is OVERCOOKING a 
> LAMB CHOP!!
> 
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
> 
>  
> 
> 





 
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Re: [Repeater-Builder] Re: RVS8 Voter Help needed.

Ok, all seems to be working, I have five channels up and running, they all seem to vote well. The only issue that I have now is that I cannot get the controller to accept any DTMF commands from any of the receivers. The echolink controller will accept the commands just fine, which goes through the controller. Any ideas? Mathew N9LV ldgelectronics <[EMAIL PROTECTED]> wrote: Mathew,The RVS-8 does not provide a voltage output. There are two ways to connect it. The easiest is with the relay. It's a SPDT relay with the three contact connections coming out the back to the terminal. The NO is "normally open" with the Common and the NC is "normally closed" with the common. Depending on what you want to see, you wire the relay contacts
accordingly. If you want a ground on COR, connect the COM to ground and the NO is your output. If you want +12 output when the COR is active, put +12 on the COM and you will get +12 on the NO when the COR is active.The relay gives you the most amount of flexability with many wiring possibilities.The other way is the COR out (from the PC board). It's an open collector transistor that goes to ground when the COR is active. This one is 10 mSec faster, but has less configurations (only one).Dwayne KincaidLDG> Is there anyone on the reflector that is well versed with the RVS8 > voter system? I am in the process of getting the voter hooked up, > and am missing the COR out of the voter back to the repeater. I > have all states active HI, cor from my receiver is active high, the > channel is not disabled, but I get no voltage out of the RVS8, I am > getting 12 volts into the RVS8, at
current I am on channel three. > > On the connections going to the repeater, I have the common ground > tied to ground, my audio line going to the audio input. There is > three other connections, the first is labled N/O , the second is N/C > and the third is labled Com, and none of the three provides a > voltage out.> > When I key up the receiver, the relay in the RVS8 does engage, but > the volt meter gives no voltage out of any of the three connections > going to the repeater. Anyone able to help.> > Mathew> N9LV>Yahoo! Groups Links<*> To visit your group on the web, go to:http://groups.yahoo.com/group/Repeater-Builder/<*> To unsubscribe from this group, send an email to:[EMAIL PROTECTED]<*> Your use of Yahoo! Groups is subject
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Re: [Repeater-Builder] Re: Hamtronics T301 220 exciter Final andmicrophonics


  Or a 20 lb sledge hammer? 

  Neil - WA6KLA 

"Jim B." wrote:
> 
> Bryan Fields wrote:
> 
> >
> > As to the origional question, anyone fixed the microphonics problems with 
> > the
> > exciter?
> 
> heh-I have a fix-it involves small explosive devices...
> 
> --
> Jim Barbour
> WD8CHL
> 
> 
> Yahoo! Groups Links
> 
> 
> 
>





 
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Re: [Repeater-Builder] Hamtronics T301 220 exciter Final and microphonics

Kevin Custer wrote:

> 
> 
> Bryan Fields wrote:
> 
>> On Monday 19 December 2005 09:55 pm, Kevin Custer wrote:
>>  
>>
>>> Yes it can...  FM that is...
>>>   
>>
>> Well the distortion I am seeing due to the final looks like AM, but 
>> then the vco has FM distortion when you tap the board so it's hard to 
>> tell.  It's a combo of both.
>>
>> How can the Final in this produce FM of it's own, I would think cuz 
>> it's a variable cap on the output it would be AM?
>>
> 
> That transmitter is extremely microphonic.  You are modulating the VCO 
> coil no matter where you are tapping in (on) the exciter/cabinet.
> 

I bet if you talk loud enough into the side of the board, you can get 
fairly clean audio!

Maybe that 's the answer for those things-mount a good speaker next to 
the VCO and feed it with rx audio...
-- 
Jim Barbour
WD8CHL





 
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Re: [Repeater-Builder] Re: Hamtronics T301 220 exciter Final and microphonics

Bryan Fields wrote:

> 
> As to the origional question, anyone fixed the microphonics problems with the 
> exciter?

heh-I have a fix-it involves small explosive devices...

-- 
Jim Barbour
WD8CHL

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Re: [Repeater-Builder] Re: Old duplexer tuning question

2005-12-20 Thread Doug Bade

There are some extremely broadband linear amps you can find on Ebay 
and such that amplify up to 1w from dc to 1ghz with 30-40db gain 
which can be driven off the gen port of your monitor for extra 
dynamic range. Calibration obviously goes, but when you are trying to 
see the bottom of the range, an extra 30-40db can help you see the 
bottom , Be aware that a pad on the output of the amp which can 
handle its drive level is a must. 6db or so should be sufficient 
to maintain 50 ohm integrity.
IFR made a high level adapter for the 1200 which hooked onto the 
front of the box in the gen side of the loop for more signal range

I also use a portable with a 6db pad as a gen signal on low power 
when I need more headroom. None of this is equal to  a good network 
analyzer, but it gets pretty close

Doug
KD8B

At 09:31 PM 12/19/2005, you wrote:
> tony dinkel <[EMAIL PROTECTED]> wrote:
> > I also think my problem with the notches is that I do not have enough
> > dynamic range on my ifr 1600 to see the bottom.
>
>I can't see the bottom on my IFR1500, so I center the sides of the 
>notch that I can see on the center frequency.  I figure that the 
>notch is fairly symmetrical, so this should work OK.
>
>Joe

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Re: [Repeater-Builder] RCA 700 Series Radios Available

  Excuse me Michael ... 

  I have several RCA Series 700 mobiles and stations here on both 
 High-band and UHF - none of them have a single tube in them.  I 
 also have the supporting factory issued Instruction Manuals 

Mike Morris wrote:
> 
> At 09:24 PM 12/19/05, you wrote:
> 
> >I have available an pile of RCA 700 series rigs, long removed 
> >from service.  They're probably UHF, but I don't know at this 
> >point. Is anyone interested in acquiring any of these for a 
> >nominal fee? (read cheap)
> >
> >Thanks,
> >Robin Midgett K4IDC
> >VHF+ Glutton EM66se
> 
> If they are UHF, then anyone who wants a full duplex
> 420-440MHz point-to-point link will want them.
> 
> The 700 and 1000 series radios can be range-changed
> to 406-440 in minutes.  The parts even plug in.
> 
> Then you unbolt the transmitter PA deck subchassis (one
> RF tube plus it's transistorized inverter HV supply) and
> replace it with a coax jumper.  Some models used instant
> heat tubes (i.e. the tube heater was switched by the mic
> clip switch), others used normal tubes. But the tube
> amp can be removed as a complete subchassis.

  Guess again ... no tube / no transistorized inverter HV 
 supply either.  You must be thinking of the RCA Super-Carfone 
 and Series 500 mobiles. 

  Would you like to visit ... and dig through my collection 
 of RCA issued factory Instruction Manuals?  

  I used to service those radios way back when ... and do 
 remember which is what. 

> After all that work you end up with a radio that will do
> a nice clean 10w full duplex on a 420-440MHz link
> channel all day long (continuous duty) with no pain
> or strain
> 
> Mike WA6ILQ

  Go back to bed Michael, 

  Neil McKie - WA6KLA

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Re: [Repeater-Builder] Radio Shack 10% Off Coupon good to 12/23


  Thanks Mike, we needed that. 

  Neil McKie 


Mike Perryman wrote:
> 
> Bob,
> 
> While the number of folks "submitting" to sub-standard HDTV is common, those
> of us who know that none of the DBS and cable providers are sending true
> 1080i still seek a good quality "off-air" antenna.  At this point in the
> game, it is the best way to get true "high-def".  And a whole lot cheaper
> for better quality pictures than the highway robbery rates that most of us
> pay for crappy cable.
> 
> Interesting that we all plunged headlong into technology, only to find that
> we have been sold out to multi-casting and bandwidth limitations of the
> cable and DBS systems.  How many home shopping channels is enough?  Dish-net
> is sending around 15 of them...  yet I need a second dish to get PBS.  What
> is wrong with this "picture"?
> 
> I still long for the day when light-pipe is in every home.  America is so
> far behind the rest of the developed world with regard to data delivery,
> that it just isn't funny anymore.
> 
> Many nations have multi-megabit access for less than 25% of your average
> baseline cable bill.  The devil is green!!  Just follow the money and the
> truth is evident.  Fiber is cheap these days..  so is your congressman..
> for sale to the highest bidding lobbyist.
> 
> Even the radio community has jumped on the "multi-casting" bandwagon as
> evidenced by this blurb from the CGC Communicator..  run out of bandwidth..
> Hey, let's invent some more of it.  Truly marketing at it's best!!
> 
> **
> 
>   CONSUMERS PREFER "EXPANDED BAND" MULTICAST CHANNEL DISPLAY
> 
>   In a study for Cox Radio, consumers were asked to consider
> two possible options for displaying multicast radio channels.
> Currently, and possibly for the next few years, HD Radios will
> display multicast channels with the parent station's frequency
> followed by the sub-channel number (e.g. 88.1 HD2 & 88.1 HD3).
> 
>   However, 90% of the consumers surveyed preferred the
> "expanded band" option of display where multicast channels appear
> as if they were being broadcast above 107.9 MHz.  For example,
> 88.1 HD2 could be displayed as 108.1 MHz.  How these make-
> believe frequencies will be assigned, and by whom, remains to be
> seen, but the idea has strong consumer appeal.
> 
>   http://www.rwonline.com/dailynews/one.php?id=8195
> 
> **
> 
> Most end-users have no idea what they are signing-up for...  Sad, but true..
> most consumers are stupid.  Capitalism is alive and well...  just look at
> how horribly Tesla and Armstrong were treated because they were visionaries.
> Not just interested in making a buck...  does anyone see a parallel here?
> 
> Editorial mode off..   for now..
> 
> mike
> 
>  -
>Mike PerrymanCavell, Mertz & Davis, Inc.
>[EMAIL PROTECTED]   Consulting Engineers
>http://www.cmdconsulting.com 7839 Ashton Avenue
>K5JMP Manassas, VA 20109   USA
>(703) 392-9090; (703) 392-9559 fax;  DC Line (202) 332-0110
> -
> 
> -Original Message-
> From: Repeater-Builder@yahoogroups.com
> [mailto:[EMAIL PROTECTED] Behalf Of
> [EMAIL PROTECTED]
> Sent: Tuesday, December 20, 2005 12:06 AM
> To: Repeater-Builder@yahoogroups.com
> Subject: Re: [Repeater-Builder] Radio Shack 10% Off Coupon good to 12/23
> 
> At 12/19/2005 08:11, you wrote:
> >Mathew Quaife wrote:
> >
> > > They don't want to be an accessory store, unless it deals with
> > > batteries, video cables, cell phones and accessories, etc...they
> > > won't carry it.  Believe it or not, they are even downsizing on the
> > > tv antenna's and home phone accessories.
> >
> >I found out that most everyone seems to be cutting back on carrying TV
> >antennas. It's tough to find one lately. Which will be interesting when
> >this DTV crap takes over and people find out they need an outside
> >antenna now to get around the digital breakup (which is untolerable
> >compared to the occasional noise on analog.)
> 
> Between cable & piepan dishes, I assumed that alone would drop the demand
> for traditional (legacy?) broadcast reception antennas.
> 
> Bob NO6B
> 
> Yahoo! Groups Links
> 
> 
> Yahoo! Groups Links
> 
> 
> 
>





 
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RE: [Repeater-Builder] Radio Shack 10% Off Coupon good to 12/23




While I will agree, I gather all this information, and when I attend the Radioshack conventions, I bring these points to the attention of those that can make a difference.  Sometimes they listen, and most often they don't.  But all it takes it one time to grab the attention of one head master and you never know what will come of it.     Mathew  Mike Perryman <[EMAIL PROTECTED]> wrote:  John,You are absolutely correct! It has nothing to do with repeater building,and I apologize for the bandwidth.mike-Original Message-From: Repeater-Builder@yahoogroups.com[mailto:[EMAIL PROTECTED] Behalf Of John J. MaurerSent: Tuesday, December 20, 2005 1:48 AMTo: Repeater-Builder@yahoogroups.comSubject: Re: [Repeater-Builder] Radio Shack 10%
 Off Coupon good to 12/23What the heck does this essay have do to with repeater building? Perhapsthe moderator should ponder eliminating this chatter from the group... TheSNR is rising around here to annoying levels73John Maurer WØDPAmes, Iowa- Original Message -From: "Mike Perryman" <[EMAIL PROTECTED]>To: <[EMAIL PROTECTED]>Cc: "[EMAIL PROTECTED] com" Sent: Tuesday, December 20, 2005 12:18 AMSubject: RE: [Repeater-Builder] Radio Shack 10% Off Coupon good to 12/23> Bob,>> While the number of folks "submitting" to sub-standard HDTV is common,> those> of us who know that none of the DBS and cable providers are sending true> 1080i still seek a good quality "off-air" antenna. At this point in the> game, it is the best way to get true "high-def". And a whole lot cheaper> for better
 quality pictures than the highway robbery rates that most of us> pay for crappy cable.>> Interesting that we all plunged headlong into technology, only to find> that> we have been sold out to multi-casting and bandwidth limitations of the> cable and DBS systems. How many home shopping channels is enough?> Dish-net> is sending around 15 of them... yet I need a second dish to get PBS.> What> is wrong with this "picture"?>> I still long for the day when light-pipe is in every home. America is so> far behind the rest of the developed world with regard to data delivery,> that it just isn't funny anymore.>> Many nations have multi-megabit access for less than 25% of your average> baseline cable bill. The devil is green!! Just follow the money and the> truth is evident. Fiber is cheap these days.. so is your congressman..> for sale to the highest bidding
 lobbyist.>> Even the radio community has jumped on the "multi-casting" bandwagon as> evidenced by this blurb from the CGC Communicator.. run out of> bandwidth..> Hey, let's invent some more of it. Truly marketing at it's best!!>> **>> CONSUMERS PREFER "EXPANDED BAND" MULTICAST CHANNEL DISPLAY>> In a study for Cox Radio, consumers were asked to consider> two possible options for displaying multicast radio channels.> Currently, and possibly for the next few years, HD Radios will> display multicast channels with the parent station's frequency> followed by the sub-channel number (e.g. 88.1 HD2 & 88.1 HD3).>> However, 90% of the consumers surveyed preferred the> "expanded band" option of display where multicast channels appear> as if they were being broadcast above 107.9 MHz. For
 example,> 88.1 HD2 could be displayed as 108.1 MHz. How these make-> believe frequencies will be assigned, and by whom, remains to be> seen, but the idea has strong consumer appeal.>> http://www.rwonline.com/dailynews/one.php?id=8195>> **>> Most end-users have no idea what they are signing-up for... Sad, but> true..> most consumers are stupid. Capitalism is alive and well... just look at> how horribly Tesla and Armstrong were treated because they were> visionaries.> Not just interested in making a buck... does anyone see a parallel here?>> Editorial mode off.. for now..>> mike>> -> Mike Perryman Cavell, Mertz & Davis, Inc.> [EMAIL PROTECTED] Consulting Engineers>
 http://www.cmdconsulting.com 7839 Ashton Avenue> K5JMP Manassas, VA 20109 USA> (703) 392-9090; (703) 392-9559 fax; DC Line (202) 332-0110> -Yahoo! Groups LinksYahoo! Groups Links<*> To visit your group on the web, go to:http://groups.yahoo.com/group/Repeater-Builder/<*> To unsubscribe from this group, send an email to:[EMAIL PROTECTED]<*> Your use of Yahoo! Groups is subject to:http://docs.yahoo.com/info/terms/  __Do You Yahoo!?Tired of spam?  Yahoo! Mail has the best spam protection around http://mail.yahoo.com 













  




  
  
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RE: [Repeater-Builder] Radio Shack 10% Off Coupon good to 12/23

2005-12-20 Thread Mike Perryman

John,
You are absolutely correct!  It has nothing to do with repeater building,
and I apologize for the bandwidth.
mike

-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of John J. Maurer
Sent: Tuesday, December 20, 2005 1:48 AM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Radio Shack 10% Off Coupon good to 12/23


What the heck does this essay have do to with repeater building?  Perhaps
the moderator should ponder eliminating this chatter from the group...  The
SNR is rising around here to annoying levels

73
John Maurer WØDP
Ames, Iowa


- Original Message -
From: "Mike Perryman" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Cc: "[EMAIL PROTECTED] com" 
Sent: Tuesday, December 20, 2005 12:18 AM
Subject: RE: [Repeater-Builder] Radio Shack 10% Off Coupon good to 12/23


> Bob,
>
> While the number of folks "submitting" to sub-standard HDTV is common,
> those
> of us who know that none of the DBS and cable providers are sending true
> 1080i still seek a good quality "off-air" antenna.  At this point in the
> game, it is the best way to get true "high-def".  And a whole lot cheaper
> for better quality pictures than the highway robbery rates that most of us
> pay for crappy cable.
>
> Interesting that we all plunged headlong into technology, only to find
> that
> we have been sold out to multi-casting and bandwidth limitations of the
> cable and DBS systems.  How many home shopping channels is enough?
> Dish-net
> is sending around 15 of them...  yet I need a second dish to get PBS.
> What
> is wrong with this "picture"?
>
> I still long for the day when light-pipe is in every home.  America is so
> far behind the rest of the developed world with regard to data delivery,
> that it just isn't funny anymore.
>
> Many nations have multi-megabit access for less than 25% of your average
> baseline cable bill.  The devil is green!!  Just follow the money and the
> truth is evident.  Fiber is cheap these days..  so is your congressman..
> for sale to the highest bidding lobbyist.
>
> Even the radio community has jumped on the "multi-casting" bandwagon as
> evidenced by this blurb from the CGC Communicator..  run out of
> bandwidth..
> Hey, let's invent some more of it.  Truly marketing at it's best!!
>
> **
>
>  CONSUMERS PREFER "EXPANDED BAND" MULTICAST CHANNEL DISPLAY
>
>  In a study for Cox Radio, consumers were asked to consider
> two possible options for displaying multicast radio channels.
> Currently, and possibly for the next few years, HD Radios will
> display multicast channels with the parent station's frequency
> followed by the sub-channel number (e.g. 88.1 HD2 & 88.1 HD3).
>
>  However, 90% of the consumers surveyed preferred the
> "expanded band" option of display where multicast channels appear
> as if they were being broadcast above 107.9 MHz.  For example,
> 88.1 HD2 could be displayed as 108.1 MHz.  How these make-
> believe frequencies will be assigned, and by whom, remains to be
> seen, but the idea has strong consumer appeal.
>
>  http://www.rwonline.com/dailynews/one.php?id=8195
>
> **
>
> Most end-users have no idea what they are signing-up for...  Sad, but
> true..
> most consumers are stupid.  Capitalism is alive and well...  just look at
> how horribly Tesla and Armstrong were treated because they were
> visionaries.
> Not just interested in making a buck...  does anyone see a parallel here?
>
> Editorial mode off..   for now..
>
> mike
>
> -
>   Mike PerrymanCavell, Mertz & Davis, Inc.
>   [EMAIL PROTECTED]   Consulting Engineers
>   http://www.cmdconsulting.com 7839 Ashton Avenue
>   K5JMP Manassas, VA 20109   USA
>   (703) 392-9090; (703) 392-9559 fax;  DC Line (202) 332-0110
> -







Yahoo! Groups Links










 
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Re: [Repeater-Builder] Hamtronics T301 220 exciter Final and microphonics

2005-12-20 Thread Kevin Custer









Bryan Fields wrote:

  On Monday 19 December 2005 09:55 pm, Kevin Custer wrote:
  
  
Yes it can...  FM that is...

  
  Well the distortion I am seeing due to the final looks like AM, but then the 
vco has FM distortion when you tap the board so it's hard to tell.  It's a 
combo of both.

How can the Final in this produce FM of it's own, I would think cuz it's a 
variable cap on the output it would be AM?


That transmitter is extremely microphonic.  You are modulating the VCO
coil no matter where you are tapping in (on) the exciter/cabinet.














  




  
  
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Re: [Repeater-Builder] Radio Shack 10% Off Coupon good to 12/23