[Elecraft] Poles

I looked something higher than 30ft. Fishing poles are available, but not strong enough. My experience was: only filled with two-component PU foam (fixed to full length) they are suitable for fixed antennas eg. GP or quad spider. Then I found SPIETH mast. I think they are sold also in US. This is

[Elecraft] SMT project thanks

Thanks to everyone (and there were many) who made suggestions for a project to learn SMT techniques. I've decided to build the AMQRP Micro-908 (see ). They are currently sold out, but expect to produce more kits soon. This is an

Re: [Elecraft] re: K1 frequency range

- Original Message - From: "rlpend" <[EMAIL PROTECTED]> To: Sent: Sunday, June 11, 2006 10:55 AM Subject: [Elecraft] re: K1 frequency range > If I exchange C2 with C2a to expand frequency coverage to c. 150 khz > will I need to re-peak all the filters and re-calibrate the receiver? > Th

[Elecraft] Re: Run that by me one more time:

n0jrn wrote: I'm about to install the KAT2 in a rig that has revision 1.04D firmware. The KAT2 manual says this tuner will work with 1.04 but recommends 1.05 or better to to take full advantage of the tuners features. Simple question: Will the KAT2 operate satisfactory using 1.04D ?? Wh

[Elecraft] Re: F/S BIG BOX OF STUFF!

All items are spoken for, thanks all for your interest. -- 73, Rod N0RC On 6/11/06, Rod N0RC <[EMAIL PROTECTED]> wrote: Folks, I'm moving across county and need to lighten the load before I go. So, I'm offering a "Big Box-o-Stuff", $250 picked up in Fort Collins, CO. __

RE: [Elecraft] KPA100 Problem

Harvey, At first glance it would seem like there is something awry with your wattmeter section of the KPA100. Check the T4 windings again and check carefully to be certain everything is well soldered with no solder bridges. Check the diodes for proper orientation, then try again to balance the wa

[Elecraft] Elecraft CW Net Report for June 11th & 12th, 2006

Good Evening, We had a great turn out tonight for the 3rd Anniversary. Many kind words were sent and we're hoping for another three years. By then the sunspots will allow us to reach across each ocean again. We'll have real difficulties trying to keep this under control :) But we will tr

Re: [Elecraft] KPA 100 T4

Thanks, you guys pull me out every time. Thinking always gets me in trouble. Bob aa7eq - Original Message - From: "Tom Hammond" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, June 11, 2006 8:56 PM Subject: Re: [Elecraft] KPA 100 T4 Hi Bob: T4-5 and T4-6 will eventually

Re: [Elecraft] Mac Logger DX, K2 and Intel/Mac...

On Jun 11, 2006, at 7:23 PM, Phil Townsend wrote: I would like to know what adapter to use to connect my iMac (Intel Mac) to the K2... USB to the serial port on the K2 So what works best?? Phil K2# 01264 I haven't tried it myself but folks on the [EMAIL PROTECTED] list consistently rec

[Elecraft] Mac Logger DX, K2 and Intel/Mac...

I would like to know what adapter to use to connect my iMac (Intel Mac) to the K2... USB to the serial port on the K2 So what works best?? Phil K2# 01264 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to

RE: [Elecraft] No Transmit SSB Audio

Jim, Before being concerned about the DC voltages at U1 and U2, I would suggest concentrating on the BFO injection and the balanced modulator first. The digital signals from U1 and U2 will only occur when the conditions are correct and a variation from the voltages stated in the manual is not nec

[Elecraft] KPA100 Problem

Hello everyone. I almost made it to the finish line with my K2. I'm encountering a problem with the KPA100 SWR Bridge Null Adjustment (C1). I have everything hooked up correctly as far as I can determine. I set the power knob for 5.0 W. Enter tune mode and adjust C1 to get 1.0-1 SWR on the K2 d

RE: [Elecraft] 30-foot Telescoping Fiberglas Poles

Also consider the DK9SQ telescoping 33 ft mast, available from Kanga U.S. http://www.bright.net/~kanga/kanga/dk9sq/mast.htm 73, Ken Alexander VE3HLS --- Don Wilhelm <[EMAIL PROTECTED]> wrote: > Tom and all, > > I don't know about the price comparison, but another > source is The Mast > Comp

[Elecraft] IRC realtime chat.

I have been enjoying real time conversations on the Elecraft chat on IRC. To get there the irc server is irc.worldirc.org and the channel is #Elecraft When I am not home I still keep my irc software running. When I get home can I scroll through what has been said during the day. If anyone

RE: [Elecraft] KPA 100 T4

Patience! Check page 31. 73, Ken K3IU -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Sunday, June 11, 2006 7:44 PM To: Elecraft Discussion List Subject: [Elecraft] KPA 100 T4 I just installed T4 and have 2 holes left over---5 & 6.

[Elecraft] KPA 100 T4

I just installed T4 and have 2 holes left over---5 & 6. No mention in the manual about what to do with them. According to the roadmap they connect the main road out of town with a turn through T4. They are oversize holes so I presume they want a hefty wire. Inquiring minds need to know befor

Re: [Elecraft] CW Reverse Sideband Suppression Bad Using OP-1 Fixed

G'day, | due it had less ringing while using AF-2 narrow band receive filter. There are alternate component values for the AF-2 filter to reduce the ringing. Developed by John Grebenkemper KI6WX "Modifications to the KAF2 frequency response". I'm not sure where I got it from, it might be

RE: [Elecraft] OT Bleeder Resistor

Bob, I am not an expert in bleeder resistors but here is a way to think of what you need from first principles. The purpose of the bleeder resistor in power supplies is to discharge the filter capacitors to a safe level in a reasonable amount of time after turning the supply off. The decaying vo

RE: [Elecraft] Run that by me one more time:

It has been a long time, and my memory may be fuzzy, but I recall that the major firmware change to support the KAT2 was the change the automatically throttled the power back to 2 watts when pressing TUNE. Keeping the power lower extends the life of the relays by minimizing the current that they h

RE: [Elecraft] 30-foot Telescoping Fiberglas Poles

Tom and all, I don't know about the price comparison, but another source is The Mast Company - http://www.tmastco.com/ . 73, Don W3FPR > -Original Message- > > A while back, several folks posted links to a number of telescoping > fiberglas pole sites. > > I've visited the Jackite site.

[Elecraft] CW Reverse Sideband Suppression Bad Using OP-1 Fixed

Thanks for all the suggestions on figuring out why I was hearing the other side of zero beat in CW Reverse on OP-1 filter. The root cause of the problem was I was using the BFO freqs as specified in the KSB2 instruction manual. Which were never upgraded when they changed to 2.5khz OP-

Re: Re: [Elecraft] OT: Portable Antenna for K2

>From: Geoffrey Mackenzie-Kennedy <[EMAIL PROTECTED]> >Date: Sun Jun 11 14:23:52 CDT 2006 >To: Elecraft Discussion List >Subject: Re: [Elecraft] OT: Portable Antenna for K2 Just a brief pitch on the commercial version. I had the idea of a pvc or hard plastic model that would be expandable wherea

Re: Re: [Elecraft] OT: Portable Antenna for K2

>From: Geoffrey Mackenzie-Kennedy <[EMAIL PROTECTED]> >Date: Sun Jun 11 14:23:52 CDT 2006 >To: Elecraft Discussion List >Subject: Re: [Elecraft] OT: Portable Antenna for K2 OK on the bamboo, well that is interesting, I actually used 2 cardboard tubes from some Christmas wrapping paper, thats th

Re: [QRP-L] Re: [Elecraft] K2 Frequency Display Problem

Just change bands before turning off K2. The information is immediately stored in the EEPROM without waiting for the 30 second timer. 73 Elliott WA6TLA - Original Message - From: "Nick Waterman" <[EMAIL PROTECTED]> To: "Gottlieb, Jonathan" <[EMAIL PROTECTED]> Cc: ; <[EMAIL PROTECTED]> Se

Re: [Elecraft] OT: Portable Antenna for K2

Bill KA3IXF wrote on Sunday, June 11, 2006 2:00 PM Not sure if you can apply this to your application, but I designed the KA3IXF Apartment Antenna, which will be appearing in a upcoming QST Article within the next couple of months. The >folks at MFJ and B/W are also looking at it for possible

RE: [Elecraft] KX1 13563 IS ALIVE!!

Ken, one or two more watts, not worth the effort. I won't increase your signal enough to really matter. Bill -Original Message- AND I AM IN FLORIDA!!! KX! works but only puts out 3w on 40... So need to figure out how to rev up a notch or two... Anyway it works!! _

[Elecraft] Run that by me one more time:

OK K2 gurus, help me satisfy my curiosity. I'm about to install the KAT2 in a rig that has revision 1.04D firmware. The KAT2 manual says this tuner will work with 1.04 but recommends 1.05 or better to to take full advantage of the tuners features. Simple question: Will the KAT2 operate sa

[Elecraft] potential antenna coil forms ?

Greetings, In the course of my occupation I have aquired a bunch of heavy cardboard tubes. These are all 3-1/4" external diameter and approx 1/8 to 3/16" wall thickness. Before sending them to the cardboard recycling dump I though of offering them to the antenna coil experimenters out there.

[Elecraft] OT Bleeder Resistor

I sent this once before but I never saw it show up, sorry if it's a dupe. I have been looking at the June 2006 QST article "Homebrew Solid-state 600 W HF Amplifier". I'm gathering the parts for the power supply but have a question concerning the bleeder resistors. The author, K0GKD, used four 22

[Elecraft] re: K1 frequency range

If I exchange C2 with C2a to expand frequency coverage to c. 150 khz will I need to re-peak all the filters and re-calibrate the receiver? Thanks. P.S.: the backlight kit is a wonderful addition to the K1. Bob N5JYW ___ Elecraft mailing list Post to:

[Elecraft] static ground -the conclusion

Thanks to all for the replies, particularly for a Sunday morning. The basic conclusion is "THAT'S NOT A GOOD IDEA!", with a few minor variations. I wasn't comfortable with it either. My shack & workshop are in an out building that was wired 3 years ago and was done right. All I needed was a

[Elecraft] Jackite 31' Poles - Bought

Just went to www.5stores.com and ordered two (2) 31' Jackite Orange Fiberglas poles for $42.95 each, plus $13.25 UPS Ground shipping. Not a bad price. Thanks to all for your prompt replies. 73, Tom N0SS ___ Elecraft mailing list Post to: Elec

[Elecraft] RE: static ground

Hi Ron and all, Actually the name GFCI is a bit misleading I think. You don't need a ground for a GFCI to work. That's why they recommend their use in upgrading two wire systems. The GFCI senses a current difference between the neutral and the hot wire. If the difference is greater than 5 milli

Re: [Elecraft] K2 Frequency Display Problem

Gottlieb, Jonathan wrote: > Help! Yesterday, the frequency display on my K2 #5113 stopped > functioning properly. When I turned off the K2 I was on 14185.09. When > I turned the K2 back on later in the day, it read 14063. Now, every > time I turn the radio on, I see 14063 on 20M no matter what

Re: [Elecraft] Fw: static ground

Bob: Your old house wiring may be BX, meaning it is wire in a spiral armored casing, typically made of aluminum. While not ideal, you may be able to gain an independent ground using this casing. It would require (a) that the casing be continuous from receptacle to receptacle, and (b) t

RE: [Elecraft] Fw: static ground

That's also why the anti-static ground has (must have!) a 1-megohm resistor in series with it. That way a dangerous amount of current isn't going to flow in any case while the resistance is still low enough to continuously dissipate any static charges that are developed. It doesn't matter whether y

[Elecraft] 30-foot Telescoping Fiberglas Poles

Hi Folks: A while back, several folks posted links to a number of telescoping fiberglas pole sites. I've visited the Jackite site. They are offering their 32' poles (black or orange) for $54. I thought someone had found similar poles for a bit less than the Jackite price, however I may be

Re: [QRP-L] K2 Frequency Display Problem

Go to the manual in the back on pages 3 & 4 and do some voltage measurements etc. - - - - - - - - - - - - W5KDJ - Wayne TF2WJN * 1965-67 SV0WWW * 1971-73 Antarctica MM/QRP * 2004-05 3DA0KDJ * 2005 LoTW * eQSL.cc TDXS 164 - - - - - - - - - - - - - Original Message - From: "Gottlieb, Jonat

[Elecraft] K2 Frequency Display Problem

Help! Yesterday, the frequency display on my K2 #5113 stopped functioning properly. When I turned off the K2 I was on 14185.09. When I turned the K2 back on later in the day, it read 14063. Now, every time I turn the radio on, I see 14063 on 20M no matter what frequency I was on when I turned i

Re: [Elecraft] Tube Linear Amp design for basic K2

Eimac introduced the 8166/4-1000A in 1945 as part of its postwar line of glass-envelope, radial beam tetrodes which also included the 4-65A, 4-125A, and 4-250A; and later in 1947, the 4-400A, essentially a 4-240A upgraded with a finned anode (plate) radiator. External anode,

[Elecraft] OT: Portable Antenna for K2

Re: KA3IXF Antenna? Bill, KA3IXF Can you give some more details, of how us K2 owners can build this antenna NOW? Even as snowbirds (NY, FL) I'm suffering from living in restricted covenants communities - where stealth antennas may be my only hope. (may have to move to solve this problem!) Can

[Elecraft] No Transmit SSB Audio

I sent the below a couple days ago and just found it bounced. No reason was give. I've reverified the email address and am trying again. Hi, I have no transmit SSB audio on my K2. CW works fine. From voltage readings on the KSB2 looks like the problem is in the area of U2 - MAX522, Q1 - P

Re: [Elecraft] Battery use with QRP rigs - page updated

Rod, I haven't tested NiMH batteries yet and probably won't since I don't own any and can't justify the expense in purchasing them + another charger since I already have a growing LiPo collection. However, if someone wanted to send me a NiMH or two, I'll gladly test it/them, post the results a

Re: [Elecraft] Battery use with QRP rigs - page updated

John, On 6/10/06, John Harper <[EMAIL PROTECTED]> wrote: I've finally gotten around to updating my "batteries" page to reflect my experiences with my new-found love, Lithium-Polymer batteries: http://www.ae5x.com/batts.htm Comments, suggestions & experiences of other outdoor QRP ops are most we

Re: [Elecraft] Battery use with QRP rigs - page updated

John, With your work and reports like this, one can't help but think the wheels at Aptos have to be turning in the LiPo direction. ;) 73, Gil NN4CW ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list.

[Elecraft] RE: static ground

Hi Bob, Sounds like you live in Texas. Your theory is pretty much correct. I am a professional Engineer, and home inspector in Texas. The default way to deal with (update) a two wire circuit is to install a GFCI in the upstream outlet and slave the GFCI to the downstream outlets. However if th

[Elecraft] F/S BIG BOX OF STUFF!

Folks, I'm moving across county and need to lighten the load before I go. So, I'm offering a "Big Box-o-Stuff", $250 picked up in Fort Collins, CO. Please see: http://users.frii.com/rwc/fs/ for contents, some pics...etc. -- 73. Rod N0RC ___ Elecraft m

RE: [Elecraft] OT: Portable Antenna for K2

Dave, I use a 44 foot center fed antenna successfully on all bands. It is good on 40 thru 10 and will do 80 meters in a pinch. Mine is constructed of #22 teflon insulated wire, and I have twisted 2 25 foot lengths of the same wire together to use as a parallel feedline. I use a 1:1 balun at the

Re: [Elecraft] OT: Portable Antenna for K2

>From: Dave White <[EMAIL PROTECTED]> >Date: Sun Jun 11 07:30:54 CDT 2006 >To: Elecraft Reflector >Subject: [Elecraft] OT: Portable Antenna for K2 Hi Dave, Not sure if you can apply this to your application, but I designed the KA3IXF Apartment Antenna, which will be appearing in a upcoming QST

Re: [Elecraft] Tube Linear Amp design for basic K2

Robert, I worked a guy the other day using 400 watts, but it is very unusual. I usually use my K2 /100 at 25 watts and my SDR-1000 at 35 watts. I made an error on the calculation of power output of the linear amplifier. If you double the input voltage, that is a multiply of 4 times the inp

[Elecraft] OT: Portable Antenna for K2

I'm looking to take my K2 (10 watt) on holidays where we will be staying at a 3-story lodge high atop a bluff overlooking the ocean. The lodge is surrounded on 3 sides by some tall trees. The roof of the lodge has a table that I can operate from. I haven't seen the location first-hand, but I a

RE: [Elecraft] Fw: static ground

While it is true that the white wire does connect to ground at the service entrance, that wire should not be considered a ground because it is a current carrying conductor. Figure the voltage drop in one ohm of wire carrying 15 amps - that will produce 15 volts - and that voltage is what makes the

RE: [Elecraft] CW Reverse Sideband Suppression Bad Using OP-1

Frank, The BFO frequency listed in the KSB2 manual for CWr is no longer correct (it used to be correct before the SSB filter was widened). When the OP1 filter is used for CW reception, the BFO values will be quite close to those used for SSB - CW should be close the the LSB value and CWr shoul

Re: [Elecraft] CW Reverse Sideband Suppression Bad Using OP-1

On Jun 11, 2006, at 1:18 AM, [EMAIL PROTECTED] wrote: Anyone have any ideas on what to look for as the cause? What BFO setting are you using for CW-R? The setting you use for LSB and CW should be nearly the same, ditto for USB and CW-R. It sounds like the BFO setting for CW-R isn't corre

[Elecraft] KIO2 programmers question: SCAN

Just been checking the KIO2 Programmers Reference (as used by the KPA100 AUX IP port too). It doesn't seem to be particularly easy to use the K2's scanning modes from the serial interface, and perhaps even impossible if I want to scan with "AF ON"? Presumably it's considered easier to do something

Re: [Elecraft] Fw: static ground

In a message dated 6/10/06 11:36:48 PM Eastern Daylight Time, [EMAIL PROTECTED] writes: > As I understand the situation, the power company runs 240V lines to the > house with a earth ground from the power line transformer and your house to > make to split the 240V into two 120V circuits. Hope

Re: [Elecraft] Tube Linear Amp design for basic K2

Chas, Thanks for your comments. It's interesting to see that someone else has come to some very similar fairly similar basic conclusions as oneself. I have emailed RF Parts for the current price of the 4-1000a. At this stage, it may remain a drwing board exercise.. 73s, Wyn - Original