Re: [Elecraft] Heath kit and the Lazarus Loop

Still have my Heathkit ET-3400 and ETA-3400. Learned 6800 assembly language on that pair before moving up to a OSI C1-P. It would be great to see Heathkit back to something fun. I was bummed when my K2/100 rig was finished. Brian KB1VBF Sent from my iPad > On Aug 9, 2016, at 7:08 PM, Lewis

[Elecraft] K2 KAT100-2 bypass

I would like to use an external antenna tuner. How can I set the K2 KAT100-2 antenna tuner on bypass? George KE6TE Sent from my iPad __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help:

Re: [Elecraft] Unexpected Band / Mode switching

I have recently had my K3 switch modes as I tune up the band. Like from LSB to CW. My s/n is 6000+ though. Ken WA8JXM On 8/9/16 10:04 AM, Mark E. Musick wrote: Your problem is most likely the front panel connectors. This is a known problem for early K3s. Early K3s had tin connectors

Re: [Elecraft] Common mode chokes

Here is a device I made to do that: 73, Vic, 4X6GP Rehovot, Israel Formerly K2VCO http://www.qsl.net/k2vco/ On 9 Aug 2016 23:56, MaverickNH wrote: Just wondering - short of +/- RF Burns and Audible Noice, can one readily detect/measure Common

Re: [Elecraft] KX3: Scuff marks on display cover

works on watch crystals too On Tue, 9 Aug 2016 22:55:08 -0400 Mike va3mw writes: > Toothpaste. > > Colgate. > > I was taught this by a jet airplane mechanic when I was 15. That's > what they used on the windscreen. > > Mike va3mw > > > On Aug 9, 2016, at 4:54 PM,

Re: [Elecraft] KX3: Scuff marks on display cover

Toothpaste. Colgate. I was taught this by a jet airplane mechanic when I was 15. That's what they used on the windscreen. Mike va3mw > On Aug 9, 2016, at 4:54 PM, Mel Farrer via Elecraft > wrote: > > I found that putting the clear shipping tape on the display

Re: [Elecraft] KX3: Scuff marks on display cover

This may help in weighing your options, E100403 / KX3 Bezel, $27.24 73's Joe Stone KF5WBO -- View this message in context: http://elecraft.365791.n2.nabble.com/KX3-Scuff-marks-on-display-cover-tp7621423p7621442.html Sent from the Elecraft mailing list archive at Nabble.com.

[Elecraft] Using K3 w/AS original Bandmaster band decoder

Hello, I just purchased a used Bandmaster (Array Solutions) band decoder. The manual does not have any settings listed for Elecraft. Could someone using a K3/original Bandmaster combo please email me offlist and let me know which settings you used? There is a one line mention of using a K2

Re: [Elecraft] Heath kit and the Lazarus Loop

Heathkit was at the forefront of the personal computer revolution. Their H-8 was one of the earliest 8-bit computers, and the H-89 one of the first Z-80 machines, as well as being the first “all in one” computer that combined the keyboard, monitor, and processor into a single enclosure. I

Re: [Elecraft] KX1 build problem

Richard, Do not lift the leg of R28, it will not do any good. You might want to re-flow the soldering of R28 and see what happens. I don't understand how you have a negative DC voltage at the base of Q7. That base voltage comes from the 6T voltage rail in the KX1 and then flows through

[Elecraft] KX1 build problem

Thank you in advance for your help. I built a KX1, though I had it working on 20-40 as I could receive great and made a few contacts. No idea what the power level was. I added the 30 80 board and finally the tuner. The tuner is showing .4 watts topps. I don't have a wattmeter, however someone

Re: [Elecraft] Common mode chokes

> >Add another winding to a choke and it magically becomes a transformer! > Unfortunately that doesn't work for RF current measurement. The objective for a choke is to create a high series impedance, but the objective for an RF current transformer is exactly the opposite: to avoid disturbing the

Re: [Elecraft] Common mode chokes

W8JI also describes one and how to calibrate it. http://w8ji.com/building_a_current_meter.htm Eric KE6US On Tue,8/9/2016 1:56 PM, MaverickNH wrote: Just wondering - short of +/- RF Burns and Audible Noice, can one readily detect/measure Common Mode Current on a coax antenna feedline?

Re: [Elecraft] Common mode chokes

Bret, Refer to the K9YC (Jim Brown) paper on RFI, Ferrites, Baluns and Audio Interfacing for "good" baluns. http://www.audiosystemsgroup.com/RFI-Ham.pdf. For common mode chokes (baluns), look particularly at Chapter 7 of that document. A stack of 5 FT240-31 cores and a length of coax

Re: [Elecraft] Common mode chokes

Add another winding to a choke and it magically becomes a transformer! 73, Josh W6XU On 8/9/2016 1:56 PM, MaverickNH wrote: Just wondering - short of +/- RF Burns and Audible Noice, can one readily detect/measure Common Mode Current on a coax antenna feedline? -- View this message in

Re: [Elecraft] Common mode chokes

> >Just wondering - short of +/- RF Burns and Audible Noice, can one readily >detect/measure Common Mode Current on a coax antenna feedline? > Google for: clamp-on rf current meter http://www.ifwtech.co.uk/g3sek/clamp-on/clamp-on.htm This review of two MFJ products (one good, one awful) may

Re: [Elecraft] Common mode chokes

On Tue,8/9/2016 1:56 PM, MaverickNH wrote: Just wondering - short of +/- RF Burns and Audible Noice, can one readily detect/measure Common Mode Current on a coax antenna feedline? Yes. A calibrated RF current probe coupled to the outside of the coax can easily measure common mode current.

Re: [Elecraft] Common mode chokes

Further (apologies, I should have thunk it through before posting): Based on http://www.karinya.net/g3txq/chokes/ which may or may not be well-accepted, which choke configuration would you choose for "Best"? I'm actually fond of two chokes in series to address the 1.8-30MHz range, but am still

Re: [Elecraft] Common mode chokes

Just wondering - short of +/- RF Burns and Audible Noice, can one readily detect/measure Common Mode Current on a coax antenna feedline? -- View this message in context: http://elecraft.365791.n2.nabble.com/Common-mode-chokes-tp7621305p7621430.html Sent from the Elecraft mailing list archive

Re: [Elecraft] KX3: Scuff marks on display cover

I found that putting the clear shipping tape on the display before going into the rough will save the display.  Mel, K6KBE From: Ron D'Eau Claire To: 'Nick Kennedy' ; Elecraft@mailman.qth.net Sent: Tuesday, August 9, 2016 1:46 PM Subject:

Re: [Elecraft] KX3: Scuff marks on display cover

A slightly more aggressive approach is to pick up the headlight lens cleaner sold at most automobile stores - the stuff that takes the "yellow" haze off of plastic headlight covers. It's also sold for use on aircraft windshields to polish out the scratches that inevitably come from charging

Re: [Elecraft] K3S Diversity Setup Question

Thanks all - looks like a combination of the above got things working OK. I can hear the voices moving around in my head, which would be a bad sign in any other case, but a good sign for Diversity RX! ;-) Don, I'll open the case and have a look around to consider that solution K2AV came up with

Re: [Elecraft] WTB: Piglet

Was able to buy a Pigletmany thanks to all who offered one up for sale. 73, Joe W2KJ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post:

Re: [Elecraft] KX3: Scuff marks on display cover

Nick, The easiest is to use a bit of oil on a cloth and rub the area with some pressure. That will take care of scuff marks, but it will not eliminate scratches that have gouged into the plastic. If the plastic surface has been gouged, I think the best thing is to order a new bezel. 73,

Re: [Elecraft] KX3: Scuff marks on display cover

It depends on how deep the scratches are. The easiest is Novus polish — a sequence of three products, available as a kit from Antique Electronic Supply, Amazon, etc. This is best for minor surface scratches. Micro-mesh is also really good, and available from Aircraft Spruce and other places

Re: [Elecraft] KX3 PSK-31 IMD on Low Batteries

Kevin, As you noticed, the IMD of any transceiver is degraded when operating at a voltage below its design point. That fact is independent of the mode. Certainly, the KX3 will "work" down to 8 volts, but not without consequences. I do not know the design point for the KX3 PA, but I would

[Elecraft] KX3: Scuff marks on display cover

I’ve got some scuff / scratch marks on my KX3 display’s cover. (Yes, shame on me!) Is there any kind of buffing or cleaning agent that can fix this? Or would it be better to order a replacement from Elecraft? 73- Nick, WA5BDU __

[Elecraft] KX3 PSK-31 IMD on Low Batteries

I probably should have expected this and took action before anyone had to mention it. I was using a KX3 on internal battery. I was running PSK-31 using DATA-A at 3 watts. I use an external soundcard (ASUS Xonar U7) and the laptop is an HP Spectre running Win10 and DXLab suite. Rig control and the

Re: [Elecraft] Unexpected Band / Mode switching

Mike, Cleaning is a temporary fix. Changing to the gold pins is a permanent solution. You could try just removing the front panel and putting it back on. The wiping action that results will clean oxidation from the pins. Do that as a temporary fix. The real fix is to change to the gold

Re: [Elecraft] K3S Diversity Setup Question

Bret, To use two TX capable antennas, you connect the subRX AUX antenna connection to the TMP connector on the KAT3, and set the K3 KRX3 menu to "ANT=ATU". The non-transmit antenna will be used by the subRX whenever you set the subRX antenna to AUX. If you want to use a low noise receive

Re: [Elecraft] K3S Diversity Setup Question

Turn off sp+phone Make sure spkrs = 1 Make sure volume and rf gain for sub RX are set Done Sent from BlueMail On 9 Aug 2016, 14:33, at 14:33, Ken G Kopp wrote: >Bret, > >The aftermarket K3s book by KE7X covers the matter ... and many others >... >nicely. See the

Re: [Elecraft] Unexpected Band / Mode switching

Mike, Your problem is most likely the front panel connectors. This is a known problem for early K3s. Early K3s had tin connectors between the front panel and RF board. Elecraft switched to gold connectors around serial #4000. I just had my serial #3505 in for upgrades and they switched the

Re: [Elecraft] Unexpected Band / Mode switching

Thanks - makes sense. Presumably tarnishing. Couldn't I just clean them? -Original Message- From: Mark E. Musick [mailto:markmus...@sbcglobal.net] Sent: Tuesday, August 9, 2016 3:05 PM To: 'AD6XY' ; elecraft@mailman.qth.net Subject: RE: [Elecraft] Unexpected Band /

Re: [Elecraft] [K3] Can K144XV output be limited ot 5 watts?-IGNORE

Never mind I found it. 73 ..mike AI6II -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Can-K144XV-output-be-limited-ot-5-watts-tp7621403p7621416.html Sent from the Elecraft mailing list archive at Nabble.com.

Re: [Elecraft] K3S Diversity Setup Question

Bret, You have to switch the sub-receiver from the main antenna to the aux antenna. To do that go to BSET and press the ANT button. That will show which antenna the sub is on. It should say MAIN. Press ANT again and it should say AUX. Press BSET again to return to the VFO A display. Mark Musick,

Re: [Elecraft] K3S Diversity Setup Question

Bret, The aftermarket K3s book by KE7X covers the matter ... and many others ... nicely. See the Elecraft web page for information. 73 Ken - K0PP On Aug 9, 2016 06:19, "MaverickNH" wrote: > My factory-built K3S with KAT3A ATU and KRX3A SubRX was assembled in >

Re: [Elecraft] KIO3 boards wanted--redux

Barry, Main computer works. Netbook works. Main computer uses USB wifi, so I would not be looking at the reflector if USB were broken. Netbook has full function, including USB devices. 73, Jan, KX2A On 8/9/2016 3:58 AM, Barry Simpson wrote: Hi Jan Are you sure that your computer is not

[Elecraft] Unexpected Band / Mode switching

I have a fairly elderly K3, SN500s. I have noticed recently that occasionally when I hit the band up switch the mode changes but the band doesn't. Seems to be getting more frequent. Is this a common problem and is there a fix? Mike -- View this message in context:

[Elecraft] K3S Diversity Setup Question

My factory-built K3S with KAT3A ATU and KRX3A SubRX was assembled in default configuration, with the SubRx antenna connected to AUX RF-bnc. I might switch the SubRx to the KAT3A some day, as both antennas are TX, but am trying to set up for Diversity Rx now and having problems. I have two TX

Re: [Elecraft] FS: LP-Pan 2 kit, partially built

This has been sold thanks. - Julius Fazekas N2WN Tennessee Contest Group http://www.k4ro.net/tcg/index.html Tennessee QSO Party http://www.tnqp.org/ Elecraft K2#4455 Elecraft K3/100 #366 Elecraft K3/100 -- View this message in context: