Re: [Elecraft] Elecraft: RFI Problems

[EMAIL PROTECTED] wrote: 50Hz hum on key down on hi fi Similar problem on mains MW radio. Freezing of PC modem on key down. My suggestions, in order: 1) Try wrapping the speaker leads of your hi fi around ferrite rods or toroids. If this doesn't clear it up, try wrapping the mains cord from

[Elecraft] K2 rx ant question

Hi, I am going to operate a little in the CQ WW 160 meter contest this weekend. My problem has always been too much noise on receive...I'm an alligator. I want to try using my 20-meter quad as a receiving-only antenna. The question is: the quad is right next to my inverted-L transmitting a

Re: [Elecraft] Interpreting Color Codes

[EMAIL PROTECTED] wrote: After having built a K2, KX1 and numerous other homebrew gear, I have noted by my own observations and comments of others some confusion as to exactly what colors are being observed on small parts, usually resistors and RF chokes. Many males, including myself, have

Re: [Elecraft] kpa 100mdkt

David wrote: I bought the kpa100mdkt kit and in reading the instructions it says to remove the circuit board from the heat sink which means you have to remove the screws that hold the transistors to the heat sink when I reinstall the transistors won't I need new heat sheilds under the transistor

Re: [Elecraft] No Audio in K2

[EMAIL PROTECTED] wrote: My K2/100 occasionally loses audio when it has been on a while with the AF GAIN turned down (K2 on butnotbeingused). Could the squelch (SLCH in secondary menu) be turned on? -- 73, Vic, K2VCO Fresno CA http://www.qsl.net/k2vco _

Re: [Elecraft] Missing parts

Fred Jensen wrote: Deep in the carpet on the floor ... Since one or more of my cats decided that the carpet in my shack/shop was dirty enough to qualify it as a Cat Latrine, I pulled it up and installed a light-colored vinyl tile floor. I actually got the tile for free (left over from a co

[Elecraft] Re: Clicks in K2/100 on rx unmute -- solved!

Vic Rosenthal wrote (incorrectly): Some may remember that I was hearing an annoying click when the receiver of my K2 unmuted, only when the KPA100 and the DSP were both active, and only on 160/80 meters. I tried a lot of things, however, what finally worked was changing C71 on the KPA100

[Elecraft] Clicks in K2/100 on rx unmute -- solved!

Some may remember that I was hearing an annoying click when the receiver of my K2 unmuted, only when the KPA100 and the DSP were both active, and only on 160/80 meters. I tried a lot of things, however, what finally worked was changing C71 on the KPA100 board from 0.01 uf to 0.1 uf. The click

Re: [Elecraft] Another Question

Ed Palmer wrote: On the RF board on my K2 in the 20/30 BPF area I can inject a signal on 20 meters either side of C22 and between C22 and C24. I'm not however able to inject a signal between C24 and C25. C25 is shorted to ground on bands opther than 20 or 30 by K4B. Perhaps the relay is def

Re: [Elecraft] resitance vs impedence

Ken H wrote: While setting up a dipole antenna tonight a question come up while discussing the tuning with myself: Which is the "most effective" antenna - understanding it will be matched with a antenna tuner, either the internal autotuner or an external manual tuner - a dipole type antenna wit

Re: [Elecraft] frequently low batt

Norbert Roedel wrote: Since I installed the latest software on KSB2 I realize frequently " low batt" message at the diplay of my K2. Anyone got the same problem or have an idea? Ser.Nr. 1020, Did you accidentally bump the slide switch S1 near the top of the control board when you had the c

Re: [Elecraft] Re: Operating in cold weather

Robert C. Abell wrote: You may want to use a small separate switcher to power up your KAT100 antenna tuner, if you have one, so that power is provided separately to the tuner before the K2 is turned on.. In my experience, there's no problem if power is supplied to the K2 and KAT100 at the SA

Re: [Elecraft] K2/100 with Alpha 99

[EMAIL PROTECTED] wrote: Is it possible to key the K2/100 for CW QSK operation with the Alpha 99. If so, how should the delay be set in the K2. I would rather key the K2 first rather than keying the Alpha 99 and running the keying line back to the K2. Roy, I'm keying an Alpha 86 with

Re: [Elecraft] K1 goes QRO !

[EMAIL PROTECTED] wrote: One question though, do I need to worry about any increase in harmonics or alteration of the keying waveshape by running the K1 signal through the TS520? I've looked at the output on a scope and it looks clean to me but I don't have a spectrum analyser. The simplest ru

Re: [Elecraft] Questions from a Possible Builder/Owner

Jim Harris wrote: 1. How does the K2/100 key an RF amplifier (AL-811)? I have a Heil footswitch with a second cable for amplifier keying. But, would prefer to use keying from the rig itself. It has a built-in transistor switch that will switch +200V at 1A. It goes low at least 15ms before

[Elecraft] Other strange KPA100 behavior

I have another funny phenomenon related to the KPA100 and the DSP. I mentioned it before, but no one commented. I would like someone to check and see if they notice it too. Here it is: 1) The KPA100 must be activated (11 watts will do it, more power doesn't change it). 2) The DSP must be w

Re: [Elecraft] Birdy on 28020 with K2?

Tom Hammond wrote: For what it may be worth, if you have an older KPA100 (not sure what 'vintage' actually qualified it as 'older' though, mine's as old as the come... an FT unit from before they hit the streets), but there is a mod (available from me, and I think somewhere on the Elecraft web

Re: [Elecraft] Trouble with Alignment and Test, Part II - - - MORE INFO

Mike wrote: Info 232. The troubleshooting section says that the message "...is most likely to be displayed if you use CAL PLL without first selecing 40 meters." I am, of course, selecting 40 meters. So it looks like it is not recognizing the fact that 40 meters is selected. Another common ca

Re: [Elecraft] power control indicator phenomena

Stewart Baker wrote, Since my original mail I have found that this anomaly only occurs when on transmit, and is independent of whether RF is being generated or not. I quite often vary my power during a transmission to get signal reports on different station configurations e.g speech processin

Re: [Elecraft] K2 DSP vs SCAF audio filter

brian wrote: Have any of you compared the K2 DSP with a SCAF audio filter ? I have a SCAF and am considering the K2's integrated DSP but really wonder if there, in the end, will be a significant change in my ability to copy weak signal CW signals. I have the DSP and an OHR SCAF (no longer a

Re: [Elecraft] Ready to buy K2/100 - question on CW qsk

Richard Merhar wrote: Hello all- I think the K2 looks like great rig. But, how quick is QSK? Can you hear the receiver between dits on the cw transmit when using QSK? I like the fast response of my TS-850 and would hope the K2 would be able to perform at least as well as the TS-850 (now sold as

[Elecraft] UTC program bug fixed!

Whoops, my UTC program had a problem: it didn't work in time zones (like Arizona) which do not change between standard and summer time! If you live in one of these areas and want to use the UTC program, please redownload it it from . If you don't know wha

Re: [Elecraft] Practical toroid winding question

Mike wrote: I am almost ready to start winding toroids for my K2. I have run into this question before but never found an answer. Suppose I wind a toroid, then check its inductance afterwards. I find that the value is not exactly the same value as the schematic calls for, but after removing

Re: [Elecraft] UTC display clock [Was: Yosemite Sam & zulu time]

Brendan Minish EI6IZ wrote: On Wed, 2004-12-22 at 15:10 -0800, Vic Rosenthal wrote: It's annoying that the Windows clock program won't let you select a time zone. it does, just set your computer's timezone to Casablanca and you will have UTC all year round The problem i

[Elecraft] UTC display clock [Was: Yosemite Sam & zulu time]

Stuart Rohre wrote: It used to be Standard Operating Procedure for all hams to keep their logs in Zulu, (Greenwich) time, in that for working other countries or other time zones, this is the only practical way to keep QSL card records. It's annoying that the Windows clock program won't let you

Re: [Elecraft] K2 Handles

Phil LaMarche wrote: I've just painted and installed my handles that were manufactured for the gang. The side panels that were removed had bare metal on the top two screw locations. Should I do the same with the new handle panels or is it OK to just install. I presume you are talking about t

Re: FW: [Elecraft] CW

Dan Barker wrote: Anytime you are practicing sending (or sending on the air for that matter), it can be extremely enlightening (or depressing, depending on your fist) to hook up a CW reader (I use CWGet) and look it over after your session. I find it very helpful with spacing. Poorly spaced C

[Elecraft] K2 click on unmute

I am hearing a click in my 'phones or speaker when the K2/100 unmutes in CW mode. It is: 1) Strongest on 160 and 80 meters. 2) Only present when the DSP is on (switching to bypass makes it go away). 3) Only present when the KPA100 is on (same strength from 11-100 watts -- gone at 10 watts).

Re: [Elecraft] K1 on a sailboat

Hayden wrote: so is there any experience out on a handy antenna? i do have the KAT1 too, so hope that will help. I've got a non insulated backstay, and of course can haul just about anything aloft with the halyards. perhaps just a simple old justinverted v? If you have access to a ground (I

Re: [Elecraft] CW Keying characteristics-computer vs Bencher

Ralph McClintock wrote: Dan, I am referring exactly to weight. Yes, the K2 has a weight adjustment but it does not, or should not, know the difference between the Bencher key and the keying from the computer running Writelog that is paralleled onto the same wire going into the key input. If

Re: [Elecraft] bug posting

Kevin Rock wrote: I know N6KR gets on the air. I heard folks talking with him. I am not sure if he uses CW, however, since this was an SSB contact into GA. The band was not open between CA and OR that day so I have no idea what N6KR sounds like. I have tried to get him interested in ECN bu

Re: [Elecraft] CW Keying characteristics-computer vs Bencher

Ralph McClintock wrote: I finally hooked up my computer keying circuit, 2N off the parallel port, to my K2 before the CQWW contest. I have noticed what appears to be a significant difference in the keying characteristic from the computer versus the keying from the Bencher key. The computer a

Re: [Elecraft] Elecraft Digest, Vol 8, Issue 10

Mychael Morohovich wrote: Thanks Vic, I get it now: the method that I am using is valid only when the antenna is 1/4 wl or less. Since my EFW is 86 feet, it would only be useful trying this comparison on topband where a 1/4 wl is roughly 125 ft. It was suggested off list that my best bet overall

Re: [Elecraft] Re: Elecraft Digest, Vol 8, Issue 10

Mychael Morohovich wrote: The method I used was to first tune the antenna with my KAT100 for a flat SWR, tune the counterpoise for max current at the rig, then tweak both until the KAT100 reported a flat SWR for the antenna while the Artificial Ground reported maximum current into the counterp

Re: [Elecraft] Re: Elecraft Digest, Vol 8, Issue 10

Ron D'Eau Claire wrote: Vic, K2VCO, wrote: Keep in mind that you are measuring the current in the radiator AT A PARTICULAR POINT. - The counterpoise is tuned for maximum current at the *rig*! The idea is that the more current flowing into the counterpoise for a given po

Re: [Elecraft] Re: Elecraft Digest, Vol 8, Issue 10

Mychael Morohovich wrote: Instead of a 1/4 wl wire, I use an MFJ Artificial Ground to tune a wire for maximum current per given band. While measuring, one thing that surprised me was to discover that with my 86' EFW, the use of a properly tuned counterpoise didn't always increase the current to

Re: Fw: [Elecraft] Tuning CW Stations in 160 metercontest (correction)

W3FPR - Don Wilhelm wrote: Also, I seldom use the reverse sideband for CW, and there is no reason that the BFOs have to be set for sideband reversal - As someone who has done a lot of playing with the K2's filters, tried discrete passband tuning, etc., I have to say: Neat idea! Why didn

Re: [Elecraft] My K2 isn't quite right yet

Web Williams wrote: The problem I'm having is that when I key the microphone, I get full-power carrier on my external wattmeter. CW works fine. There's a capacitor you are supposed to remove on the RF board when you install the SSB board. Did you remove it? -- 73, Vic, K2VCO Fresno CA http

Re: [Elecraft] K2 - Strange Problem ?

Stewart Baker wrote: The amplifier only draws about 1mA, however because of noise on the 5A line, mainly from the LED bar graph I have had to heavily decouple the pre-amp supply to stop the noise from being superimposed on my speech. What I think is happening is that this decoupling is affectin

Re: [Elecraft] Internal keyer

Earl Ritchie wrote: I have connected my bencher paddles using the stereo plug and the menu set to PDLn. I have checked U6 on the control board and pins 29 & 30 show the correct resistance and voltage. My problem is that when either paddle is pressed, I get only a steady tone--no dits or dahs.

Re: [Elecraft] New Tech Notes Article - SP2 Speaker for the K2

Eric Swartz - WA6HHQ, Elecraft wrote: We have just uploaded a new Tech Notes article to the Elecraft web site titled: The SP2 External Speaker Project for your K2, By Dave White, VE6DRW Very interesting and nice job, Dave. My guess is that the cost of fabricating the baffle, etc. made it to

Re: [Elecraft] KX-1/MP-1 SWR limits

Fred Jensen wrote: 2. As with all antennas, I can tune the antenna for a variety of resistances and reactances. I've been shooting for an impedance magnitude of around 50 ohms. Possibly some combination of R and X is more optimum? The ideal is a resistance of 50 ohms and reactance of zero.

Re: FW: [Elecraft] Both internal and external keyer

Dan Barker wrote: Some high-speed squeeze keyers occasionally have troubles with the K2 thinking hand key and the op is just a tad early on one of the paddles. I've not heard of this happening below 35wpm and I never run that speed. The ADET Off is the only fix for that if you have such worries

Re: [Elecraft] SSB low output

Brian Mury wrote: It's working better than it was, but I still don't seem to be getting much more than about 10 watts or so, occasionally a bit more on peaks, and I have to speak quite loudly to get even this much. I can get 100 watts by whistling loudly into the mic. Are you measuring your o

Re: [Elecraft] troubles with kits

[EMAIL PROTECTED] wrote: I am Herb Winn a new ham (kc8ylj). I was going to try to build a kit for my first rig but am not sure now. I found the elecraft web and have noticed that all that is posted is troubles with kits. Is this common ? if so i'm not going to try a kit. Why don't you build

Re: [Elecraft] K2 feature request

Geert Jan de Groot wrote: I recently bought an amp and find that neither the amp, nor a typical antenna, is cleanly 50 ohms and hence there's work for the tuner. If I enable the amp, I need to autotune to the input impedance of the amp, if I leave it offline, I need to tune to the impedance of

Re: [Elecraft] External linear amplifier with CW

Fred Jensen wrote: I have the circuit from the Elecraft web site. Unfortunately, my SB-220 won't really do QSK. Any ideas on how to modify the little perf board interface to put some (hopefully adjustable) delay in the release to simulate semi-QSK with VOX for the amp? The perf-board circuit

Re: [Elecraft] External linear amplifier with CW

Joe - aa4nn wrote: Hi 'crafters, I perused the archives and found a little bit of information on the K2 having a high voltage keying transistor for keying an external amplifier. Use of 8R Hold for delay times? I need more help on how to do this for operating in CW only. I am accustomed to li

Re: [Elecraft] CW - SS - Off Topic

[EMAIL PROTECTED] wrote: The use of paper logs and lack of automated sending was a major limitation in how many QSOs I could make per hour this year, and how much effort it took to make the ones I did. The big problem, I remember, was the dupe sheet. I recall operating at a club station year

Re: [Elecraft] Re: Rediculous [sic], unreasonable and selfish firmware feature request..

In my opinion, it's not a good idea. The buttons on the K2 are too small and not well located for this application. They are also not durable enough. It would only be useful for some contests (in the Sweepstakes, the exchange usually starts with the call of the station you are working), and i

Re: [Elecraft] KNB2 - odd behavior

David Zatopek KT5V wrote: During SS this past weekend, I QSYed to a well-load 40 late Sunday and noticed an impressive and unusual level of S9 noise. The NB1 was on at the time of the QSY (HI THRU). The DSP denoiser and a tighting of filters helped, but the noise was pervasive and still S5. O

Re: [Elecraft] Hum Coupling

Fraser Robertson wrote: Interesting - I had complaint on air recently of having a wide CW carrier when using a tube linear about two feet from the K2/100. I do NOT have the problem (and I've had people listen carefully for it) with an Alpha 86 at full power located 4 feet from the K2. For wh

Re: [Elecraft] wobbly knob

Brian Mury wrote: My K2 AF gain knob is getting really wobbly, and seems to be getting worse. I pulled the knob off and took a look. The plastic shaft on the pot is getting loose where it fits into the metal body of the pot. Looks like I'll need a new pot. I got some nylon washers at the hardw

Re: [Elecraft] Spurious signals heard -- K2

[EMAIL PROTECTED] wrote: Must be the real time clock in the computer, or some associated circuits. It runs off a coin cell, just like the RTC in the KAF2 I don't think so, for the following reason: there are lots of connections to the PC in the shack, but disconnecting the serial port connec

Re: [Elecraft] Spurious signals heard -- K2

Vic Rosenthal wrote: I didn't believe you, because the signal is there with no antenna. But I decided to check some things. When I turned of the shack computer, the spur didn't disappear...but it got weaker! Hmm, what could that mean? I then disconnected the interface cable f

Re: [Elecraft] Spurious signals heard -- K2

W3FPR - Don Wilhelm wrote: Vic, OK, I will venture a guess --- You might want to check for a large signal in the shack from 11.5 to 11.7 MHz - like in a computer for instance, oscillators near 12 MHz are common in computers, and the frequency may depend on what is going on inside the comput

Re: [Elecraft] Spurious signals heard -- K2

Fred, do you have a KPA100 or is your K2 QRP? I suspect that it might be related to the KPA100. Vic K2VCO Fred Jensen wrote: Nothing heard on #4398 ... just real signals. Fred K6DGW Auburn CA CM98lw Vic Rosenthal wrote: I just noticed a couple of very loud spurs on my K2/100 at 18086.6

Re: [Elecraft] Spurious signals heard -- K2

Vic Rosenthal wrote: I just noticed a couple of very loud spurs on my K2/100 at 18086.6 and 28018.4 KHz. They have the following characteristics: And now I hear another one on 24905.2. It must be a new 'feature' that I've created, since I can't imagine that these have

[Elecraft] Spurious signals heard -- K2

I just noticed a couple of very loud spurs on my K2/100 at 18086.6 and 28018.4 KHz. They have the following characteristics: 1) They tune funny -- each step causes a much larger pitch change than normal signals, and 2) They are just as loud with the antenna disconnected (so they are not imag

[Elecraft] Auto-detect comments

Thanks to everyone who commented on the use of the K2's auto-detect feature. The consensus is that it works quite well, although some mentioned problems with straight keys or bugs with dirty contacts. I have encountered problems caused by contact bounce from bugs with many modern rigs, includi

[Elecraft] K2 auto-detect feature

I'm thinking about using the K2 auto-detect keying feature to allow me to use the K2's internal keyer and also connect a bug and computer keying interface to the K2. I'm wondering whether I'm likely to have a problem with spurious long dashes when using my paddle. I tend to send between 30-40

Re: [Elecraft] N4PY Software gets me TX9

Tsachy L wrote: Proper split procedure at the RX end (your or mine...without any software) can assure spotting & finding the DX station and working him, provided all other things are normal (no jamming, proper power etc'). Just done that, 15m cw, no software at all, on my 751A 100W + 3 el beam.(

Re: [Elecraft] K2 Mojo in ZL Land

Nigel wrote: So it was that at 1100Z (Midnight LT) on 3503 I tune across K9DX calling CQ with no takers. I dive in not expecting a reply and was greeted with a 'ZL?' and after a few fills (not helped by my miss-sending the number in my call sign in my excitement...more fills) I received a 459 f

Re: [Elecraft] Question about K2's T7 windings

Tom Mc wrote: I have built K2 s/n 1103 and used manual version B. My manual (ver. B) states that the winding ratio should be 11:3. Don states that newer manuals are stating that T7 should be 20:5. Don's post also states that an additional 3 dB of gain should be accomplished by this change.

Re: [Elecraft] Fun QSO: 3000 miles, 1.5 watts, 4' whip, elevation delta 9998 feet

wayne burdick wrote: We had great beach weather over the weekend, so we went for a walk on San Gregorio state beach. While the family was having a snack, I sat on a piece of driftwood and pulled out the KX1. No antenna supports, so I connected the Maldol 4' whip, then tossed out one counterpoi

Re: [Elecraft] K2/100 power-out change

Rich McCabe wrote: Sounds like both K2's I have had. 38xx and 44xx. The output jumps all over the place. My amp does not like it either. When I posted about it, the response I got was that is "normal". See -- 73, Vic, K2VCO Fresno CA http

Re: [Elecraft] QUESTION to the Group re. where to install the CW Tuning Indicator

Tom Hammond wrote: A question has been raised which I cannot (yet) answer. Though I hope to be able to answer it soon... If you installed the CW Tuning Indicator PC board in a fully-appointed K2 (KPA100,KSB2/KNB2/KDSP2), WHERE did you wind up placing it? I had one installed some time ago (t

Re: [Elecraft] best ultralightweight beach vertical?

wayne burdick wrote: Anyone know of a vertical that meets the above requirements? Get a 16-foot Black Widow (etc.) fishing pole and take it apart, using only the topmost sections. -- 73, Vic, K2VCO Fresno CA http://www.qsl.net/k2vco ___ Elecraft

Re: [Elecraft] Iambic mode faux pas

blake wrote: So how many mode "A"ers are there out there? Am I the only mode B paddle pusher? No, I'm very mode B. Sometimes I run into a mode A setup at a friend's shack, field day, etc. The way I handle it is to pretend the paddle is a single lever type, and not try to make any characte

Re: [Elecraft] K2 Firmware change request

Tom Hammond wrote: The resetting of power upon BAND change is a function of the ALC which is NOT hardware-derived, but software-driven. When you change bands, and the power level generally WILL change because each band has a little bit different efficiency, hence different drive levels require

Re: [Elecraft] 160 Meters modul instellation

ta2ah wrote: Hi, After installation and adjustment procedure of the 160m module to my K2-4288, 40m band became silent. The 160-meter module includes the rx ant feature. Maybe you have set 40m to use the rx antenna input? -- 73, Vic, K2VCO Fresno CA http://www.qsl.net/k2vco ___

Re: [Elecraft] Telephone RFI

[EMAIL PROTECTED] wrote: I have two antennas...an unmatched longwire and a vertical. The unmatched longwire interferes with our two line 900MHz phone system a little bit but the vertical almost destroys audible altogether. I've had good results with both the KCOM filters and k-y filte

Re: [Elecraft] Like MFJ's 931 Artificial Ground ?

George, W5YR wrote: At the risk of seeming to rain upon the parade, let's keep in mind that the 931 can at most provide a low-impedance path to "ground." Whatever that "ground" happens to be is what determines the success or failure of using the 931. George is correct. The way I like to look

Re: [Elecraft] More antenna problems.

GEOFFREY MACKENZIE-KENNEDY wrote: 1C) A full size vertical half-wave dipole, centre fed. No radials underneath. Having always been suspicious about the effect of feeders even if 'properly' routed, I changed the feed configuration to the verticals and the Half Square from centre to bottom,

Re: [Elecraft] need help listening for KI6WX (now)

wayne burdick wrote: Tom, N0SS, and I are trying to copy KI6WX on 10108 kHz now (0200Z), then 14062 at 0215Z, then 7040 at 0230Z. I arrived in time for the 0230 sked and heard Tom, but I did not hear John. -- 73, Vic, K2VCO Fresno CA http://www.qsl.net/k2vco __

Re: [Elecraft] More antenna problems

[EMAIL PROTECTED] wrote: My antenna is a 100' length of wire fed by 50' of RG8X Mini. The feed point is at 10' off the ground through a balun. This doesn't have anything to do with your noise problem, but you should realize that you probably have a relatively high SWR on the feedline and balu

Re: [Elecraft] KAF2 v. KDSP2

Howard W. Ashcraft wrote: Is the KDSP2 less effective for reducing unwanted noise on CW, or is it equally effective but more costly. I assume that Elecraft continues to sell the KAF2 because it either has a performance advantage in some niche or is less costly and works for certain uses (such

Re: [Elecraft] MFJ-259B alignment information?

Don Wilhelm wrote: > I now tend to disbelieve my MFJ-259 and would like to calibrate it. I have the instruction manual that came with it and it is not adequate for a calibration task. Try the MFJ with an ethernet terminator. I bet it will look much better. I suspect the resistors are not as

Re: [Elecraft] Re: ECN Eurasia from the west end

wayne burdick wrote: I'll have to get to work improving my antenna. Now let's see.if I'm going to put up a fixed-aimed wire beam that would optimize for ECN Eurasia from San Francisco, where should it point? :) About 14 degrees is right for Fresno to Iraq, and given the beamwidth of pr

Re: [Elecraft] Audio Thump

Jimmy Lee wrote: Lyle and all others, I have done a poor job of explaining my problem. There is a low frequency sound just as the key is closed on ever single sound that is keyed. Does not seem to be related to QSK. Thanks, Jimmy I have experienced this with some (not all headphones). It is

Re: [Elecraft] RE: Toriod winding questions (Sorry!)

Nicolas Pike wrote: Am I worrying too much? Yes. The only toroid that is in any way critical is T5, regarding which I remember very vaguely that I had to squeeze or separate the turns a bit to get the VCO voltage in spec. -- 73, Vic, K2VCO Fresno CA http://www.qsl.net/k2vco _

Re: [Elecraft] Menus went away

Kenneth E. Harker wrote: Well, I now seem to have no menus. I push the menu button and it does nothing. Push and hold the menu button and it does nothing. Everything else about the radio seems to work fine. I had a similar problem. In my case it was caused by plugging in the DSP mod

Re: [Elecraft] Oscilloscope help part 2 ;-)

JEAN-FRANCOIS MENARD wrote: My oscilloscope have only an input amplifier bandwidth of 14 Mhz maximum... will it be enough to adjust all bandpass on all bands ??? Yes, because all you care about is a relative voltage indication -- you are not trying to view a waveshape accurately or measure th

Re: [Elecraft] Re: K1 on USB CW

Leigh L. Klotz, Jr. wrote: I just picked up a copy of the June CQ in the airport bookshop and p.28 has a sidebar by K2MGA (CQ Publisher) on the history of SSB: Regardless of how the SSB signal was generated, the 455 kc USB signal was mixed up to 9 Mc. Using a converted war-surplus BC-4

Re: [Elecraft] 80m "Reflector" problem

Jerry Hancock wrote: Thanks for the response. If it is an LDE, it is awfully consistent. I can hear it all the time now on 80m, at least for the past three days. If you hear it during the day, it most assuredly isn't any kind of ionospheric reflection or echo, since the D-layer absorbtion o

Re: [Elecraft] KPA 100 Alignment Question

[EMAIL PROTECTED] wrote: I assume this means I connect the +lead of the DMM to + terminal of the PSU, and the -lead of the DMM to +pin of the power connecter where it enters the radio?? Is this correct?? Yes. Make sure it is set up to measure current, not voltage. Often this means connecti

Re: [Elecraft] New convert

[EMAIL PROTECTED] wrote: I work on a ship that goes to Japan, China, Taiwan and Korea. I am presently getting my tickets to run from these countries while I'm dockside. I hope to see a lot of you on 20-40 meters in the future. Hi Terry, Maybe you can get permission to operate from the ship

Re: [Elecraft] DSP Filter?

Don Wilhelm wrote: The DSP has the low pass filter in place all the time and will cut off the high frequency end of the Spectrogram display with these wider filters. I don't think this is true, Don. The default filter 1 is a LP filter, but turning off the DSP disables it. The KAF2, on the o

Re: [Elecraft] K2 #4293, "Alignment and Test, Part I"

Jukka Tarvainen (OH4MFA) wrote: Only sad thing what happened during this. I melted slightly two of the black keycaps with soldering iron. I should have known that I will be doing some rework on the board and should have left the keycaps uninstalled. Well, there is the "home-made" label now, I ho

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