Re: [Elecraft] slightly OT -- acceptable network switch (aka Linksys produces birdies)

John, Take a look at Jim Brown’s (K9YC) RFI tutorial: http://audiosystemsgroup.com/RFI-Ham.pdf 73, Bob Nobis - N7RJN n7...@nobis.net > On Feb 3, 2016, at 23:07, John Shadle wrote: > > I just completed my K3S build and initial configuration. Woohoo. I was > tuning

Re: [Elecraft] Feature Request: Implement AN$ command for subrx antenna selection

That would be an excellent solution! 73, Barry N1EU On Thu, Feb 4, 2016 at 5:01 AM, Joe Subich, W4TV wrote: > > That would be inconsistent with the use of AN which selects between > transmit antennas in K3/K3S equipped with a KANT3/KANT3A tuner. > > The appropriate solution

Re: [Elecraft] K3S Computer Audio Question with Sub RX installed

Thanks for your service. Jim W6AIM -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Clay Autery Sent: Wednesday, February 3, 2016 6:02 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] K3S Computer Audio Question with Sub RX installed I used

[Elecraft] p3 keyboard for psk31 g0cut Keith

my first attempt to programme the p3,s keyboard went ok, well maybe, After reconsidering a better way to configure the keyboard I seem to be unable to reset all the command keys to start again. does anyone know the sequence of commands to reset the command macros and start again to allocate the

Re: [Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

I think the Collins NB was most effective on pulse type (ignition) noise encountered in mobile applications. http://collinsradio.org/archives/manuals/136B-2_5th-ed-11-66_.pdf - Roger W5RDW -- View this message in context:

Re: [Elecraft] Balun suggestions

blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px #715FFA solid !important; padding-left:1ex !important; background-color:white !important; } Bob Rumsey, KZ5R of Balun Designs makes exceptional products & is always responsive if you have a question. I use several of

[Elecraft] KAT500 tuning problem

For the past month I have been experiencing tuning problems with the KAT500. The antenna in question is a simple 75 meter dipole fed with coax. You tune the antenna at 3922, 2955 and 3975 - just for example. When you return to those frequencies, a few hours later, the tuning is all off and

Re: [Elecraft] slightly OT -- acceptable network switch (aka, Linksys produces birdies)

On 04/02/16 19:05, elecraft-requ...@mailman.qth.net wrote: I then plugged it back in, and went to the office and >disconnected the power from the Linksys switch. Noise is gone again. > >So, I'm looking for a new network switch. Does anyone have advice on what >has worked for them? >

Re: [Elecraft] Balun suggestions

I have to firmly vouch for Balun Concepts. Sent from my android device. -Original Message- From: Jim Allen To: elecraft@mailman.qth.net Sent: Thu, 04 Feb 2016 15:55 Subject: [Elecraft] Balun suggestions K2/100 and KAT100 here. I am changing around my modest

Re: [Elecraft] Is K3/0 Audio pass through or processed in K3/0?

If you are using the K3/0, not the K3/Mini, then I'm not sure if the cable is the same. However, I will look at the cable that came with my K3/Mini from Elecraft to see if it is similarly constructed. Thanks and 73 John K3TN -- View this message in context:

Re: [Elecraft] KAT500 tuning problem

Have you checked your KAT500 with a dummy load instead of feed line? This would tell you either your KAT500 or feed line to antenna (and antenna) is in trouble. 73 de JH3SIF, Keith > 2016/02/05 6:17、Bill のメール： > > For the past month I have been experiencing tuning

Re: [Elecraft] Balun suggestions

Your feed line will do the job by itself so no additional "balun" is needed. Keep in mind that a 1:1 balun is really just a length of feed line, usually wound on a toroidal core to make the required length shorter than if it was in open air. The "old-school" baluns were just a pair of air wound

Re: [Elecraft] KAT500 Change Idea

Just so all know - I do use the MAN mode. It is too crazy in AUTO - always working and jumping around. Bill W2BLC __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm

Re: [Elecraft] KAT500 tuning problem

Bill, After you do the initial TUNE (training the ATU), do you switch it to MAN? If not try that and see if it corrects your situation. If not, then it is time to contact support. 73, Don W3FPR On 2/4/2016 4:17 PM, Bill wrote: For the past month I have been experiencing tuning problems with

Re: [Elecraft] Balun suggestions

Jim, If your balanced feedline comes into the shack and you are running QRP, take a look at the Elecraft BL2. 73, Don W3FPR On 2/4/2016 3:55 PM, Jim Allen wrote: K2/100 and KAT100 here. I am changing around my modest antenna configuration now. I have been using the K2/100 with my AH-4,

[Elecraft] KAT500 Change Idea

Is it to have a change made to the KAT500 firmware so we could lock it in Manual Mode or Maybe use a double tap to change mode and still a press and hold to turn it off __ Elecraft mailing list Home:

Re: [Elecraft] Balun suggestions

Balun Designs makes high quality baluns at fair prices. http://www.balundesigns.com/ wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Feb 4, 2016, at 1:11 PM, Bert Craig wrote: > > I have to firmly vouch for

Re: [Elecraft] Balun suggestions

Don't by-pass the Elecraft BL-2  $40  250 W 4:1 and 1:1 select able . Mel, K6KBE From: Walter Underwood To: Elecraft Reflector Sent: Thursday, February 4, 2016 1:17 PM Subject: Re: [Elecraft] Balun suggestions Balun Designs makes

[Elecraft] WTB: K2/10

I'm looking for a K2/10 (QRP) in perfect condition. Preferably with high serial number. With options (at least): * KAT2 * KSB2 * either KAF2 or KDSP2 Shipping to address in U.S. or in Poland. Regards Piotr, SP2BPD -- View this message in context:

Re: [Elecraft] Balun suggestions

As one that has personally used a balanced fed antennas for years, I suggest you review the info on this site. http://www.dj0ip.de/balun-stuff/ Good stuff on evaluating or building a proper balun. And for open wire fed antennas:

Re: [Elecraft] K3 For Sale

SOLD!!! Thank you. Dan, K0ZL -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-For-Sale-tp7613278p7613541.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home:

Re: [Elecraft] VP8SGI

Hi all, I am glad they are working on repairs. I worked them on South Sandwich in spite of them being right at my noise level. From South Georgia I have had nothing but a whisper. Hopefully this will change once they get their repairs done. This is an all time first for me (both of them). I like

Re: [Elecraft] K3S Computer Audio Question with Sub RX installed

Thanks Richard. I had not thought of running two copies, as that is an "unnatural act" for a Mac. The Mac will do it, but it takes two copies of the program (so the Mac thinks they are different programs). Running two copies also solves the problem of wanting to operate JT modes while

[Elecraft] Fwd: KX3 IQ ADC and IQ DAC specification?

Matt Thanks for your suggestion. I am trying to understand what it took to reach this level of SDR performance knowing the specs of the IQ ADC on the receive side and IQ DAC on the TX side of the archritecture of the KX3. Current drain isn't my concern except in the case of the

Re: [Elecraft] Balun suggestions

On Thu,2/4/2016 5:35 PM, Wes (N7WS) wrote: Even though we often refer to the output of the KAT500 (or any other device that normally connects to a coaxial line, the currents on the output should be equal and opposite - which is the definition of balanced. Sorry, that is NOT the definition of

Re: [Elecraft] VP8SGI

Hi all, Darn, I must have missed them. I went to bed and got back up again at 1:30AM EST local time (couldn't sleep). No luck on 40m anymore. I hope, too, that their antenna repairs will result in audible signals on the higher bands tomorrow. AB2TC - Knut dyarnes-2 wrote > I don't know what

Re: [Elecraft] Balun suggestions

Jim, You might find that on some bands your antenna tunes better with a 1:1 balun and on others with a 4:1. Therefore, I recommend the Elecraft balun, which is switchable. It's rated at 250w so it should be adequate. 73, Vic, 4X6GP/K2VCO Rehovot, Israel http://www.qsl.net/k2vco/ On 4 Feb

Re: [Elecraft] KAT500 tuning problem

Since you are running KPA500 along with the KAT500 and you stated you don't have a balun, I assume you don't have a common mode choke either. I suggest a trip to http://audiosystemsgroup.com/RFI-Ham.pdf as I suspect you have RF in the shack. 73 jim ab3cv On Thu, Feb 4, 2016 at 7:11 PM, Wes

Re: [Elecraft] KX3 IQ ADC and IQ DAC specification?

Judging by the anti-aliasing filters, I would guess maybe 48k samples per second, 24 bits per sample. Could be higher at 96k which could reduce noise slightly via decimation, but that would probably consume extra power and not be worth it. But does it really matter? That is all internal to the

[Elecraft] K3 in Very Heavy DQRM on 40M CW......

I thought I would try VP8SGI this evening on 40M, since I had not tried 40 due to the horrible DQRM almost every night on their TX frequency. They were pretty loud tonight here in NTx (10-15 dB above noise floor). I use a Delta Loop at 50 feet. A DQRM was "almost" zero beat on their frequency and

Re: [Elecraft] Balun suggestions

I was wrong. Clearly, I'm dreaming. On 2/4/2016 5:38 PM, Don Wilhelm wrote: Wes, I don't mean to be contentious, but under ideal conditions, what Ron said is true. Even though we often refer to the output of the KAT500 (or any other device that normally connects to a coaxial line, the

Re: [Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

The purpose of a Noise Blanker is to act only on repetitive pulse type noise. They do little to nothing for random type noise issues. 73 Bob, K4TAX On 2/4/2016 5:29 PM, W5RDW wrote: I think the Collins NB was most effective on pulse type (ignition) noise encountered in mobile applications.

Re: [Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

In an earlier post it was asked: "> I would also like to see a technical description beyond the hand-waving in the manual of how noise blanking is performed. For example, I fail to see any dedicated delay in the signal path to create timing coincidence between the noise pulse and the

Re: [Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

I owned a 75A-4 once, but I never thought to use it mobile:-) On 2/4/2016 4:29 PM, W5RDW wrote: I think the Collins NB was most effective on pulse type (ignition) noise encountered in mobile applications. http://collinsradio.org/archives/manuals/136B-2_5th-ed-11-66_.pdf

Re: [Elecraft] Balun suggestions

Wes, I don't mean to be contentious, but under ideal conditions, what Ron said is true. Even though we often refer to the output of the KAT500 (or any other device that normally connects to a coaxial line, the currents on the output should be equal and opposite - which is the definition of

Re: [Elecraft] KAT500 tuning problem

I have done the reading of the printout - some really crazy SWR numbers for the antenna that I know are not correct. So far as RF in the shack - I might consider that - if things had not been working correctly until abut a month ago. Nothing has changed until then, causing all the efforts and

Re: [Elecraft] KAT500 tuning problem

It is possible that you have bad coax, a bad connection or water ingress in your antenna system. It would be interesting to see if a manual tuner remains stable. John KK9A Bill w2blc at nycap.rr.com Thu Feb 4 19:39:04 EST 2016 for the antenna that I know are not correct. So far as RF in the

Re: [Elecraft] KAT500 tuning problem

After a good tune, I would use the KAT500 utility to examine and record the selected component values. When the failure occurs, before retuning I would look at them again and see if they are the same. Also after a good tune, I would run up and down the band to cycle the relays and see if

Re: [Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

What, exactly, does the discussion of the Collins NB filter have to do with the experimental NB thing Wayne is working on? Can we stick to the topic at hand? On Thu, Feb 4, 2016 at 3:46 PM, Bob McGraw K4TAX wrote: > The purpose of a Noise Blanker is to act only on

Re: [Elecraft] Balun suggestions

On Thu,2/4/2016 12:55 PM, Jim Allen wrote: What balun, homebrew or commercial, if any, should I use? I almost always run 5 watts, all CW. k9yc.com/RFI-Ham.pdf Since you're running QRP, a single 2.4-in o.d. #31 core is all you need. Study the data in Appendix One for small diameter wire,

Re: [Elecraft] Balun Sugestions

Thanks, Bob. I have scoured Rick's website for some time, on this and other topics, and corresponded with him extensively about various ideas. I've also read dozens of web pages about baluns, any number of threads at QRZ.com on the topic as well. There are confusing, contradictory and often

Re: [Elecraft] Balun suggestions

I suggest reading work by w9cf before getting concerned about balancing tuners. http://fermi.la.asu.edu/w9cf/articles/balun/index.html On Feb 4, 2016, at 7:38 PM, Don Wilhelm wrote: Wes, I don't mean to be contentious, but under ideal conditions, what Ron said is true.

Re: [Elecraft] Balun suggestions

I just pinched myself; I'm not dreaming and it's not April 1st, so I guess you're serious. You are also so wrong on so many points, I'm not going to waste time trying to refute or correct them. Jim, please ignore everything said below. Wes N7WS On 2/4/2016 3:05 PM, Ron D'Eau Claire

Re: [Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

Maybe this is an opportunity to rant about the K3/K3S noise blanker. Back on 12/8/15 K2AV wrote: "To those trying to get rid of a certain noise, remember that there are 21+21+(21x21) combinations of IF and DSP blanking. That's 483 combinations, not counting variations with preamp/normal/atten

Re: [Elecraft] slightly OT -- acceptable network switch (aka Linksys produces birdies)

You may try simply grounding the switch. I've resolved much of my station noise with grounding and some basic shielding. It's an ongoing process. I started with no proper grounds and am slowly adding them. It's amazing to see the differences. Jerry Moore CDXA, INDEXA, SKCC, Fists AE4PB, K3S -

Re: [Elecraft] VP8SGI

I don't know what they did today on their antennas, but they are sure LOUD tonight on 40 meters Hope that translates to better sigs on the higher bands as well. Good job guys! I'm no propagation guru, but I sure think it is amazing how their signals on 40 and 30 have been so much better

Re: [Elecraft] K3 in Very Heavy DQRM on 40M CW......

All the selectivity in the world wouldn't help when the a**hole EU was keying and swishing his VFO at about 0200Z tonight. I finally worked them at 0401Z but wasn't sure because of QRM on their freq. So I kept calling and worked them again for sure at 0414Z. Inverted V, apex at 45',

Re: [Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

Not to put too fine of a point on it but strictly speaking, that is incorrect. The characteristics of a pulse that can be blanked are: 1) its amplitude is sufficiently greater than the desired signal so it can be detected as undesired (noise) 2) its duration isn't so long that the "hole"

[Elecraft] KX3 IQ ADC and IQ DAC specification?

I am trying to determine the IQ ADC and IQ DAC specification in the KX3.I'm interested in determinng how many bits and the speed...Bit resolution and samples per second? Thanks John, W1QS __ Elecraft mailing list Home:

Re: [Elecraft] K3 in Very Heavy DQRM on 40M CW......

I heard both of your QSOs Wes. I worked them right after you at 0416Z Congratulations! They had a great signal on 40 and also 30M a few hours earlier. On 2/4/2016 10:55 PM, Wes (N7WS) wrote: All the selectivity in the world wouldn't help when the a**hole EU was keying and swishing his VFO

Re: [Elecraft] Balun suggestions

On Thu,2/4/2016 12:55 PM, Jim Allen wrote: I am changing around my modest antenna configuration now. I have been using the K2/100 with my AH-4, and now wish to use the KAT100 with balanced feedline antennas. What balun, homebrew or commercial, if any, should I use? I almost always run 5

Re: [Elecraft] Balun suggestions

Wes and all, Yes, that is one source of "sneak ground". A balun will cure that condition. 73, Don W3FPR On 2/4/2016 11:48 PM, Wes (N7WS) wrote: You mean like that "sneak ground" from the input of the tuner back to the grounded amp or exciter? Or are they floating too? On 2/4/2016 5:38

Re: [Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

It's called topic drift. Without GPS stabilization it happens. On 2/4/2016 5:21 PM, Tim Tucker wrote: What, exactly, does the discussion of the Collins NB filter have to do with the experimental NB thing Wayne is working on? Can we stick to the topic at hand?

Re: [Elecraft] Balun suggestions

You mean like that "sneak ground" from the input of the tuner back to the grounded amp or exciter? Or are they floating too? On 2/4/2016 5:38 PM, Don Wilhelm wrote: So connecting a balanced feedline to a PL-259 is not so far fetched - providing the shell of the PL-259 (and enclosure of the

Re: [Elecraft] Quiet fans for K3

I have learned this also applies to sports car racing Fred. This was a difficult concept to explain to USAF colonels too. I only use speakers when I'm doing something else in the shack and listening, not operating, just like Jim. I can avoid any fan noise and unwanted telephone calls. 73,

[Elecraft] K3/K3S Noise Blanker Performance Greatly Enhanced...

Greetings fellow Elecrafters, Being very interested in Wayne's initial comments regarding his experiments, and because I share his noise problems here; I've had an initial play. A brief summary of my initial results are as follows: I was copying VP8SGI on 10110KHZ around about 1000UTC-

Re: [Elecraft] P3 TX MON envelope display

Is there a link to some photos where I can see what this looks like? I did not know about the SWR/PWR indication. As for the envelope display, I would expect it to be good enough to indicate trouble or not. Years back, I ran a Heath SB-610 which saved my finals one time. The rig went into

Re: [Elecraft] K3S Computer Audio Question with Sub RX installed

Fldigi versions since 3.22.06 have the capability of decoding from either the left or the right channel of a sound card. You can use a command-line argument to tell fldigi which configuration files to use You would run two instances of fldigi with different configuration files, one configured

Re: [Elecraft] Price Increase Alert (Now Feb 8th)

In response to numerous requests from customers this week for a little more time to beat the scheduled price changes with their orders, we have moved the date for the changes a few days later to this Monday, Feb 8th. This should give those who missed the original announcement and everyone else

Re: [Elecraft] Diodes Equivalents

How about a 1N6857, 1N6858? They are similar Schottky's. 73, N2TK, Tony -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Oscar Castillo Sent: Wednesday, February 03, 2016 1:30 PM To: elecraft@mailman.qth.net Subject: [Elecraft] Diodes Equivalents

Re: [Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

I've found quite a number of articles discussing noise blankers and the implementation of such. From my experience with radios on the desk, past and present, the hardware noise blanker works quite well. On the other hand, DSP/software noise blankers have always been found to be marginal.

Re: [Elecraft] Is K3/0 Audio pass through or processed in K3/0?

John, I've done some further experimentation. My units are the full size K3/0s, so it's unlikely any low pass filtering is in place. I checked the continuity between pin 1 of the 8 pin front mic connector and the tip connection on the rear mic connector and found they are tied together measuring

[Elecraft] Macro Library Repository and K3/K3S/KX3 Utility Programs

The recent comments regarding Wayne’s new Noise Blanker experiment reminded me of something I wanted to suggest awhile back but forgot all about it. This has to do with Macros and command sequences used to program or alter some specific setting in a temporary (maybe) way. Many of these are

Re: [Elecraft] Elecraft Digest, Vol 142, Issue 4

Great advice Fred! I use K3_Ez and the K3 Utility to save, then modify, and then retrieve configurations. I experienced a problem for a long time that I corrected using this approach. For some reason, when using N1MM+ (or its previous version), my Mic Gain would intermittently go to zero after

[Elecraft] K3S audio disappears with narrow filter selection

Hi, I completed the build last night, and I am putting the rig through its paces. I previously had a K3, so I am familiar with the menu and configuration. I configured the filters in the K3S as follows FL1 - 6 kHz FL2 - FL3 - 2.7kHz (-0.95 offset) FL4 - 700 Hz (+.04 offset) FL5 - 400 Hz I have

Re: [Elecraft] Firmware Issue

Jimmy, Somehow you got your K3 into the Force Firmware Download state. Download the firmware to the K3 and all should be OK. Since you did the reset, you will have to restore the configuration (hopefully you have a saved configuration. If not, you will have to do all the setup and calibration

[Elecraft] Firmware Issue

Turning on my rig a few nights ago (K-3 Serial #6512) I got a strange response. The rig would not turn on. All I got was a blinking TX light and screen display reading of MCU LD. My K-3 Utility program could not access the rig through the COM port. I looked up the reset instruction saying I

Re: [Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

Diddo for me WES Keith, KV5J -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-K3S-noise-blanker-performance-greatly-enhanced-at-my-QTH-need-testers-tp7613491p7613514.html Sent from the Elecraft mailing list archive at Nabble.com.

Re: [Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

On Feb 3, 2016, at 11:29 PM, Vic Rosenthal wrote: > This is very interesting, because where I live there are sometimes strong > noise sources perhaps from OTH radar or other applications which take out big > chunks of a band. Hi Vic, Let me emphasize that this is an

Re: [Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

Tim, Based on your positive results with SSB and the 15-kHz filter, I'm going to give it a try. Thanks, Wayne N6KR On Feb 3, 2016, at 10:56 PM, Tim Tucker wrote: > I did a quick 'n dirty cell phone video of the results of this on SSB. You > NEED to use headphones to

[Elecraft] Fwd: Re: P3 TX MON envelope display

__ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list:

Re: [Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

The Collins 136C-1 Noise Blanker seems interesting. 73, Dick - KA5KKT _ The Collins noise receiver operated around 40 Megacycles, as we said in those days. My late friend and "Elmer", Lee, W7UVR was one of the first kids on the block to have a 136C-1 blanker to use with his

Re: [Elecraft] Macro Library Repository and K3/K3S/KX3 Utility Programs

That is an absolutely wonderful idea Phil!!!  I would love to be in the macro testing volunteer group if this happens... -- 73's, and thanks, Dave For software/hardware reviews see: http://www.nk7z.net For MixW support see: https://groups.yahoo.com/neo/groups/mixw/info For SSTV help see:

Re: [Elecraft] Macro Library Repository and K3/K3S/KX3 Utility Programs

Why not upload them to the Elecraft_K3 Yahoo Group files area? https://groups.yahoo.com/neo/groups/Elecraft_K3/files I and others uploaded several K3 user-defined controls for DXLab's Commander rig control module to the DXLab Yahoo Group Files area a few years ago. Commander allow many more

Re: [Elecraft] Macro Library Repository and K3/K3S/KX3 Utility Programs

Since macros are only text files, I personally have no need of fancy functionality in a library or utility. The current Elecraft K3 utility works beautifully. So for me, a simple Web site (or shared Google doc) listing macro examples is all the functionality that I think is needed. 73, Barry

Re: [Elecraft] help with improving transmit eq

On Wed,2/3/2016 6:25 PM, Wes (N7WS) wrote: Re: SB-45 I bought one, took it out of the box, clamped it my head and I do mean "clamped", took it off after a few minutes and put it back in the box. It went back to Amazon. If I want my head squeezed I can go back to my David Clark H10-30

Re: [Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

The Collins noise receiver operated around 40 Megacycles, as we said in those days. My late friend and "Elmer", Lee, W7UVR was one of the first kids on the block to have a 136C-1 blanker to use with his 75A-4. Since he was quite well off financially I never understood why he lived in the

[Elecraft] VP8SGI

The boys on South Georgia Island have been conspicuously absent today from the DX Cluster I use (VE7CC). I did see a comment that they were "working on antennas", which may indicate a reason why it has been so hard to hear them above 30 meters. I heard them much better from Sandwich, although

Re: [Elecraft] [P3TXMON] 200W sensor at higher power levels

Its probably OK for short durations at up to about 350W. If you hit it with 1500w it might survive, but that will cause a couple of low power resistors to dissipate up to 35W, so they might be in danger of failing. Note that the 2000W coupler is good down to 1W and is what I use for all my

Re: [Elecraft] VP8SGI

Dear OMS W3UR released this note in the Daily DX but as it is commonly available on the internet and a general release I do not think he will take offence. Right now, VP8SGI team is working on tents and antennas repairs. Due to the strong winds, they have lost two masts. Tri-bander antennas

[Elecraft] Balun suggestions

K2/100 and KAT100 here. I am changing around my modest antenna configuration now. I have been using the K2/100 with my AH-4, and now wish to use the KAT100 with balanced feedline antennas. What balun, homebrew or commercial, if any, should I use? I almost always run 5 watts, all CW. 73 de