Re: [Elecraft] OT: The day I found out I was going to be an engineer

How long before you painted it flat black? :-) Mike / KK5F -Original Message- From: Wayne Burdick Sent: Sep 15, 2023 7:33 PM I was 8 years old. My dad had bought me a Radio Shack Science Fair 8-Note Electronic Organ kit for Christmas, along with a soldering iron. That night I built

Re: [Elecraft] Manual For KX2 S/N 01888?

The manual currently available at Elecraft.com will be completely applicable to your KX2, especially after you upgrade the firmware to MCP 3.02, DSP 1.52. The only hardware mod that there has been in seven years is a PA transistor mounting mod that you can find described on Elecraft.com. That

[Elecraft] KX2 Utility Version 1.23.5.22

I notice that on 7 June 2023 the corrected version 1.23.5.22 of the KX2 Utility has been released. It restores the ability to set time and edit message memory. I have missed all talk of this version on either KX2 list, if this has been mentioned earlier. Mike / KK5F

Re: [Elecraft] [Elecraft-KX] On the threshold of a dream

Pray the case of the futuristic KX is NOT a BLACK solar radiation absorbing super-sponge like the KX2. Mike / KK5F -Original Message- From: Wayne Burdick Sent: Apr 1, 2023 10:17 AM To: Wow, Kevin. An instant classic in the emerging field of subliminal viral marketing. Dream itown

Re: [Elecraft] K-1 trouble shooting

Have you verified K1 MENU item AGC is toggled to ON? AGC ON is required for the S-meter to function. See last page of K1 manual for quick reference. FWIW, almost NO Elecraft model designation uses hyphens or dashes. :-) Mike / KK5F -Original Message- From: w8kmx Sent: Mar 5, 2023

Re: [Elecraft] HW-16

> I don't know what an HW-16 is.   The HW-16 is a vacuum tube, 90-watt (maximum) input, crystal-controlled CW-only Novice-band transmitter and receiver kit with built-in AC power supply.  It covered the CW portion of only 80m, 40m, and 15m.  It was sold by Heath from 1967 to 1976.  Its 1967

Re: [Elecraft] [Elecraft-KX] Decoding KX2, KX3 ATU.DATA Lde.Cfg.nh

No...not right.   I use the ATU.DATA function every few weeks just to quickly detect abnormalities that may have developed on my fixed dipole at home (tree branches, ice, broken supports, damage by birds and squirrels, etc.)  I compare the last stored ATU.DATA result to that produced after a

[Elecraft] Decoding KX2, KX3 ATU.DATA Lde.Cfg.nh

Operating manuals for the KX2 and KX3 provide no process for determining ATU L, C, and network configuration from ATU.DATA or ATU MD functions.   The ATU.DATA section in the KX2 and KX3 manuals should be revised to provide quick determination of ATU L, C, and configuration.   Mike / KK5F

Re: [Elecraft] RPN Calc App For Android

The HP-35 (1972) and the HP 35s (2007) are two radically different machines.   I was an EE undergrad at Georgia Tech when the HP-35 was introduced in 1972 at $400 ($2750 in 2022).  Professors generally did not allow their use on tests because so very few students (and professors) could afford

Re: [Elecraft] NR after changing bands

Would you care to take the time to express WHATEVER you are trying to ask clearly and coherently...indicating as well SPECIFICALLY which of Elecraft's products has you so confused? They have made more than one transceiver model in the past 23 years. Mike / KK5F -Original Message-

Re: [Elecraft] A or B?

Several have stated they use "squeeze keying" and therefore use mode B. That is a total non sequitur.  ALL iambic keying requires simultaneous closure of both paddles...i.e. squeeze keying.  Mode A is just as much a squeeze keying process that closes both paddles to generate an iambic stream

Re: [Elecraft] A or B?

Iambic mode B has the distressing characteristic of ending any iambic string after the paddles are released with a dot (when the iambic string ended with a dash) or with a dash (when the iambic string ended with a dot) for which there had been NO paddle closure. Mode A always ends an iambic

Re: [Elecraft] OT: High school drafting class, ~1975

I learned draftmanship in high school indusrial arts beginning in 1966. I was good enough ar it that I was asked in my senior year to do detailed construction drawings for the annual project of the machine shop, even though I had transferred to a so-called college preparatory curriculum a

Re: [Elecraft] KXBC3 clock accuracy?

The accuracy and features of KX2 and KX3 RTCs are not good. What you report is likely better than typical. This is in spite of the use of a full-featured clock/calendar RTC chip. I have never figured out how a $10 Casio watch will often gain or lose less than two seconds per month, yet

Re: [Elecraft] Waaay OT: A new kind of QRM to be aware of ... warning issued by FCC today

So...the FCC *specifically* cites only amateur and personal radio services as illegal for use in crime. I wonder how long the list is of radio services that ARE FCC APPROVED for use in crime? Silly nonsense this all is. It does not bring credit to anyone calling attention to this total

Re: [Elecraft] KX2 & FT8

The guidance Joe gives is coherent and complete and a great contribution for interested parties. . It takes a lot of work to get a ham radio and a jumble of external gimmicks to do all the work of making ham QSOs...if one very generously credits FT8 as a QSO! :-) Mike / KK5F -Original

Re: [Elecraft] Sunspots!?!?

I've been a ham since before the solar peak of cycle 20, more than 50 years ago. I used a K1 with its simple SA612 front end during the peak activity for cycle 23 and 24. The problem that you have conjured is non-existent for practical proposes. There is nothing but joy to be had with any

Re: [Elecraft] KXPD2 screws

Refer to the instruction sheet for the KXPD2: https://ftp.elecraft.com/KX2/Manuals%20Downloads/E740295%20KXPD2%20Paddle%20Instructions%20Rev%20C.pdf This states that the thumb screws are 4-40 half-inch long. I regret greatly my purchase of the KXPD2 in 2017. It is the worst iambic key

Re: [Elecraft] Newer Elecraft hat not as good as the earlier ones...

We prescient few who recognize its obvious importance must sincerely hope that, after K4 launch, perspective will be restored and marketing only the very finest Elecraft-logo ball caps will regain primacy within the company's vision and mission. But yet...either version adequately serves its

Re: [Elecraft] OT: Now: shipboard callsigns, was: W vs K broadcast station callsigns,

>You can have a licensed radiotelegraph station, OR >you can have small boats with permanent radio installations. >In 2014/5 I got OLIVER HAZARD PERRY the callsign KOHZ by citing that rule when >we did our original application, and installed radios in our small boats. Interesting. There is

Re: [Elecraft] K4 replacement?

> So, the purpose of this email is to generate information about > what I should purchase to replace the K3. My predominant operation > is high speed CW, so ask is very important to me. > > Maybe the Kenwood? > > Your thoughts are solicited! > > Tom W4KX Get a KX2. It will probably be at least

Re: [Elecraft] OT: W vs K broadcast station callsigns

Another interesting fact about US broadcast station callsigns is that back before U.S. maritime radioTELEGRAPHY ended (except for rare historical exercises) in 1999, most US-flag merchant ships with radiotelegraph stations were assigned four-letter callsigns beginning with K or W. There are no

Re: [Elecraft] New KX3 reverse voltage smoke

Yes, it's "surprising" how much surprise there seems to be that the KX3 (and almost any other ham rig) DC power connector's negative terminal connects ultimately to the case. Let me "flog a dead horse". This whole affair amounts simply to this: 1. The KX3 case and the power supply's negative

Re: [Elecraft] New KX3 reverse voltage smoke

The failure reported by G4JQT and the response of KC1DNY do not reflect what should happen when reverse polarity DC is applied to the KX3 or any other Elecraft rig. All have that series blocking diode (D6/CMS04 in KX3) that should prevent any significant reverse current flow and certainly

Re: [Elecraft] New Mystery: Copying groups vs plain language text (Rather OT)

Fred, The Radiotelegraph Second Class license required send and receive at 20 wpm Plain Language and 16 wpm Code Groups with no errors for one minute during the five minute test. The First Class license had the same written elements (1, 2, 5, 6) as the Second Class license but the Morse test

Re: [Elecraft] Comments from Special Forces personnel on KX2 use

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Re: [Elecraft] Elecraft KX2 military use

Wayne, This information is extremely interesting and more than a little unexpected. I am fascinated by the capability of the KX2 (mine is 2.5 years old), but its internals have very little isolation and protection from adverse ambient conditions...an essemtial requirement for most gear in

Re: [Elecraft] Copying CW at high speeds (OT to Elecraft)

Discussions of Morse copying skills are nowadays addressed to casual amateur efforts where complete and accurate hard-copy output is seldom required.  Professional Morse skill was measured at the speed that the operator produced complete and accurate hard-copy.  An operator who head copies at

Re: [Elecraft] KX2 battery issue

> The battery is as old as the KX2.  Maybe 6 years??? > > AI6B > Bryan B. Brauer Not likely. Sales of the KX2 and accessories did not begin until May 2016. Mike / KK5F __ Elecraft mailing list Home:

Re: [Elecraft] K1 20m power out

> I recently bought a two-band K1, s/n unknown. > It puts out 6W on 40m, but only one watt on 20m, > measured with a WM-2... The most likely problem is misalignment of band 2 of the KFL1-2. Perform a realignment of the 20m portion per the K1 manual. Don't waste too much time optimizing the

Re: [Elecraft] Copy cat - no way

Wayne wrote of the IC-705: > It's an interesting radio for those who need built-in VHF/UHF. > > But there are major differences between the KX2/KX3 > and '705 for those doing lightweight outdoor operation: > > - KX3 is half the size and 33% lighter; KX2 is one-third > the size and weight > -

Re: [Elecraft] [Way (OT)] Pedantic comment about metric usage

> That should have been written as an 8.3AH battery. > > 73 Bill AE6JV Careful about your wishes. Strictly speaking, there is no metric time unit called an hour...just seconds (s). Your "8.3AH" should be "29880 A•s". Mike / KK5F __

Re: [Elecraft] oh my. K1 woes

> I just set my new-to-me K1 up in the field. I can switch bands, > but keying.the rig with my straight key results in a steady > key-down that only stops when I power cycle the rig. The menu > is not available. The MENU should be available with your key unplugged. (If not you have much

Re: [Elecraft] K1 boards open source?

What you propose will very likely not be possible. Elecraft has always been very "outside the norm" for contemporary QRP kit makers in NEVER providing PCB trace info for the kits that it sold. It is deliberate company policy. I could have used such info a number of times after I built an

[Elecraft] [KX2, KX3] Quick Translation of ATU.DATA To L And C Values

KX2 and KX3 manuals provide no quick practical process to translate the ATU.DATA display into L and C values. EXISTING KX2 [KX3 (errata C5-3)] TEXT: In the ATU.DATA and ATU MD menu entries, tapping ATU shows the present values of L (inductance), C (capacitance) and N (L-network configuration).

Re: [Elecraft] K1 VFO problem

Tom, You cite my name in your post, but I have absolutely no idea of what you refer. I built my K1 serial 175 in November 2000 and I experienced NO problems start to finish. Quote the posting to which you refer, including its date. Mike / KK5F -Original Message- >From: Tom Johnson

Re: [Elecraft] Antennas for portable ops

Steve, For portable ops from a fixed location, consider a multi-band (through use of insulator links) resonant dipole. High-performance antennas for camping and backpacking have been my principal interest in ham radio for 50 years. Upon request, I can send a pdf file that describes a

Re: [Elecraft] Elecraft business practices

>As I stated, they did this twice so I suspect more than a glitch. > >I did try to talk to sales and received several excuses but no definitive >answers. > >Lou W2ROW What, EXACTLY, are you expecting readers of the Elecraft list to do for you? Mike / KK5F

Re: [Elecraft] New tuning knob for the KX2

If **only** we could get the candid and informed evaluation of someone who was *really* familiar with the KX2!! :-) Mike / KK5F K1 #175 (11/2000) KX2 #2211 (11/2017) -Original Message- >From: Wayne Burdick >Sent: Jan 7, 2019 7:48 PM >To: Mike Morrow >Cc: Elecraft

Re: [Elecraft] New tuning knob for the KX2

Joe wrote: >I love my KX2 but the main tuning knob has always been a problem for me. > >It’s just a tad too small and not easy to spin rapidly. > >I found a very nice aluminum knob for the KX2 being sold on eBay by a >gentleman in Winterport,ME. > >The tracking item nr. is: 264113321673. > >The

Re: [Elecraft] KX3 receive discontinuity at 6.000 MHz

I believe my KX2 and your KX3 use almost identical BPF and LPF network switching breakpoints (not including the KX3 6m band): BPF/LPF Span (MHz) Ham Bands (meters) Below  4.5   160, 80 (160 below 3.0) 4.5 to  8.5    60, 40 ( 60 below 6.0)  8.5 to 17.0   30, 20 ( 30 below 13.0)

Re: [Elecraft] AX-1/K-2/K-1

> I have yet to see comments here regarding the use of the AX-1 with the > K2 or K1. > > Any experiences or thoughts. I'm pretty sure it works ONLY if the RF is generated by a KX2 or KX3. :-) Mike / KK5F __ Elecraft mailing list Home:

Re: [Elecraft] In response to several AX1 questions at Pacificon

One would need to be mindful of the 630m 5 watt and 2200m 1 watt EIRP limits in North America, when using such a modified AX1. Mike / KK5F :-) - > And with the right size loading coil could it be used on 630 > and 2200 meters pedestrian mobile? _

Re: [Elecraft] CW with my K3s and KX3

That's a very good and comprehensive list of suggestions, Fred. I've only one nit to pick in this statement: > 3.  86 the keyboard and send with paddle/bug/J-38 Avoid the J-38 military straight key. The common J-38 was used in military service ONLY for Morse training. The equally-common

Re: [Elecraft] KX3 Mic doubles as speaker source?

Does anyone besides you know what you are talking about? Mike / KK5F -Original Message- >From: Robert Sands >Sent: Aug 13, 2018 12:10 AM >To: elecraft@mailman.qth.net >Subject: [Elecraft] KX3 Mic doubles as speaker source? > >Anyone using this after market item? Who sells them? Any

Re: [Elecraft] ATU not working

Somebody without name or call wrote: > I have this issue with my trustworthy Elecraft KX3... > > > Any advice? Yes. Exercise courtesy. 1. Since Elecraft makes more than one product, show the model designation in the SUBJECT line. 2. Sign the post with name and call sign. Mike / KK5F

Re: [Elecraft] The KX1 Now and Forever. Look at the QCX.

> I understand that Elecraft can't make the money work with a > rig with a very niche market. So how about a KX0, or KX9000 > in todays marketing bull. Make it one band. Make it 5 watts. > Make it buildable by real people, no smds. > ...73 Eric WD6DBM All of what you seek, and more, is already

Re: [Elecraft] OT: Call location

Ken wrote: > Trivia:. Usta be that all "K" calls on the BC band were > east of the Mississippi River. No, most broadcast station calls starting with K were and are WEST of the Mississippi River. A notable exception was KDKA in Pittsburg, PA, still going today on 1020 kHz. > WFAA and WBAP in

Re: [Elecraft] KX1 Replacement?

Ken wrote: > I must admit that my K1 is still my favorite. It was my first CW > only, QRP rig. I will log more with the KX2, but every contact > with the K1 is still thrilling. > Ken ke4rg All things considered, the K1 is still my favorite rig in 50 years a ham. I built mine in late 2000 after

Re: [Elecraft] OT OT OT OT Vanity call question OT OT OT OT

> I want to learn about vanity call signs, why would I want one? You have posted to the wrong list. This is the ***Elecraft*** list. Mike / KK5F __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help:

Re: [Elecraft] K1 Band Boards

Dave speculated about the KFL1-2 filter board: > ...aren't all the boards the same except for the frequency > determining parts (toroids and caps)? Yes, plus the two heterodyne crystals. > you could just swap out those parts on your 20/30 board. > Pretty sure the caps and cores would still be

Re: [Elecraft] Is K1 re-alignment worthwhile?

Doug wrote: > I have a K1 that I built several years ago. It seems to work fine, > but I am wondering if it is worthwhile going back and doing a > re-alignment. Do they drift out of adjustment over time? The **most** critical adjustments on every tuned circuit of the K1 filter boards are made

Re: [Elecraft] KX2

Make sure you are running the KX2 Utility with the PC connected via the KXUSB cable to the turned-on KX2. All that must happen before trying to communicate between PC and KX2...you won't be able to select the COM port until then. Mike / KK5F -Original Message- >From: n4mjg

Re: [Elecraft] Strange CW at each button push

You may want to upgrade the firmware to version 2.89. Mike / KK5F -Original Message- >From: Richard Day >Sent: Feb 19, 2018 12:53 PM >To: Elecraft@mailman.qth.net >Subject: [Elecraft] Strange CW at each button push > >On my last two SOTA activations, my KX2

Re: [Elecraft] Elecraft Hex Key worth?

>Does anyone know what an Elecraft labeled Hex Key is worth? I've got one >in great shape that I'm considering selling. > >Thanks, >Scott N9AA Have you contacted the Elecraft Hex Key Collectors' Association (EHKCA) website, or joined their e-mail list on QTH.net? Frankly, run-of-the-mill

Re: [Elecraft] OT: Selling IC-7300 For Friend

Gary wrote: > Considering how the other radios on the market are not upgradable, > I can not imagine any reason to ever buy one of them. As long as > there is Elecraft, I will buy the next radio that has something new > to offer. Those firmware upgrades can be quick. On 20 Nov 2017 G4SJP

Re: [Elecraft] KX2, spy radio

Chas wrote: > SSB would have been the equivalent of encryption. Not even remotely so...SSB technology goes back decades before WWII. From Wikipedia: "The first U.S. patent for SSB modulation was applied for on December 1, 1915 by John Renshaw Carson. The U.S. Navy experimented with SSB over

Re: [Elecraft] KX2, spy radio

Here's a 1970-era small western world 'clandestine' set called the AVCO TAR-224A: http://www.cryptomuseum.com/spy/tar224/ It's about three times the bulk of the KX3, which is very small for the era and not too large even by today's standards. It puts out 20 watts A1 or A3 from 2 to 24 MHz,

Re: [Elecraft] K1 Discontinued

I saw the K1 first at Dsyton 2000, just after it was announced. I ordered one immediately, but delivery did not happen for almost six months. It is one of my favorite electronic devices from the past 50 years. It covered 15 meters, and consumed only about 60 mA on receive, with backlight.

[Elecraft] KX2 System Schematics Are Available!

I notice that today Elecraft has published a 17-page set of schematics for the KX2 and its accessories. The URL below has been added to the "Manuals and Downloads" page at Elecraft.com: http://www.elecraft.com/manual/E740324%20KX2%20Schematic%20Files%20RevA.pdf This package, and the device

Re: [Elecraft] KX2 added to Sherwood's list ..

I was surprised that the KX2 ranked **18** positions BELOW the KX3. That shows the KX3 is a really remarkable world-class achievement. Plus, at least an early system schematic (excluding the KX3-2M two-meter module and PX3) is available. That leaves the KXBC3 battery/RTC as the only

Re: [Elecraft] K1 - 2 band, is possible to add another 2 band PCB ?

Between 2002 and 2014 Elecraft made a four-band filter board KFL1-4 which allowed operation on 40m, 30m, and any two of 20m, 17m, and 15m. It had superior RF performance on each band compared to equivalent two-band filter boards. The unavailability of special temperature-stable trimmer

Re: [Elecraft] K1 - VFO frequency range

I assume you have already calibrated the LCD display on each band using the OCF menue function. That makes the LCD indicate the actual transmitter output frequency, This display calibration for each band must be performed before adjustment of where the low end of each band starts. Because

Re: [Elecraft] OT -- Ham radio operators contribute to protecting the Earth

That's true...VLF! Those of us who served on ballistic missile submarines were part of the motivation for those megawatt-output coast stations around 15 kHz. But let's not forget all the localized radiation on VLF coming from hundreds of millions of TVs with horizontal sweep tubes and power

Re: [Elecraft] KTS1 Tilt Stand for K1

> Does Elecraft still sell the KTS1 tilt stand for the K1? If not, > does anyone know of an alternative? > >73, Jim W5LA The KTS1 has been discontinued for many years. I found it to be a grossly over-engineered and complex solution to what most owners likely would have preferred...just some

Re: [Elecraft] no power

Have you any idea what Elecraft transceiver you are using? I don't, after reading your posting. Mike / KK5F -Original Message- >From: Peter B >Sent: Apr 27, 2017 10:38 AM >To: elecraft >Subject: [Elecraft] no power > >Hello list, >I need

Re: [Elecraft] KX2 on AM?

>Scanning the data sheet on the KX2 I don’t see AM as a mode, thought >that was added a few months back. >Does it have AM? Take a look at the firmware revision description for the KX2. Also, look at the KX2 operating manual errata A-5. The answer is yes. Mike / KK5F

Re: [Elecraft] KX2 Matching Power Amplifier

> I'm enjoying my new KX2 transceiver! I'd like to see Elecraft make a > matching RF amplifier with about 35 watts output with 5 watts in. Since the KX2 runs 10 watts out, more or less, you're asking for external gear to run only 5 dB better. I wouldn't consider something like that for even a

Re: [Elecraft] [KX3] New KX2 firmware to test; provides two sets of ATU data and LC value display

Wayne wrote: >> Someone armed with the KXAT2 schematic could write a little program that >> converts xx into microhenries and picofarads. I’d do it myself if I had the >> spare time. Such a project is challenging because the KXAT2 schematic and parts values have *not* been made available

Re: [Elecraft] [KX3] Future KX3/KX2 accessories?

Wayne asked: > What future accessories, antennas, etc. would you like to see for the > KX-line? Number One on my list: A KX2 system schematic similar to what has been available for several years for the KX3. (I hate the appearances of "appliance operating"...unavoidable when basic

Re: [Elecraft] KX2 ATU question

A tabular summary of the various Elecraft ATU characteristics was made by me here on 24 May 2016. Next is the posting with the tabulation, attached below a response from Wayne with important KXAT2 design remarks, compared to the T1:

Re: [Elecraft] K3S not-ELF, VLF 10KHz

> Used to listen to 16 khz from GBR in England on an RAL... That should be the VLF/LF/MF RAK (15 TO 600 KHz), not the RAL, which was the MF/HF companion receiver (300 to 23000 kHz). These 80-year-old-design TRF/Regenerative units were outstanding receivers during their era as the US Navy's

Re: [Elecraft] K3S ELF 10KHz

I didn't understand the reference to audio either. When I on the crew of a US ballistic missile submarine more than 40 years ago, our main communications receivers were AN/BRR-3 units whose full frequency range was only 14 to 30 kHz. These received signals from coastal stations operating at

Re: [Elecraft] KX2 and Sherwood Eng. RX Performance Ranking?

> Can't say for sure but doubt it has been reviewed yet. It is still > pretty new. It's been on the market for ten months...long enough for a popular rig to be reviewed. There's been nothing in QST's product reviews either. But then, Elecraft has not released much technical information

Re: [Elecraft] KX2 Happiness

> But I don't think the Maldol HF whips are available anyway, > so it's a mute point. And moot as well. :-) Mike / KK5F __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help:

Re: [Elecraft] [KX3] Re: MFJ 20-meter whip on 17 and 15 meters with the KX2 (or KX3)

> HiI have been trying to find where to buy one of these! > Not so easy to find! Any suggestions? Tom I'm going to go out on a limb here with some wild speculation, but how about the MFJ site? http://www.mfjenterprises.com/Product.php?productid=MFJ-1820T Mike / KK5F

Re: [Elecraft] (KX1) A Story for a Winter Day in NY

Wayne wrote: > ...the KX2 is about the same size and has so much more capability. BUT...unlike the KX1, the KX2 has no schematics available to the customer. That is a very significant defect in a HF amateur radio product. Mike / KK5F

Re: [Elecraft] What Two Bands would you pick for a K1?

> What Two Bands would you pick for a K1? > My first thoughts are 40 and 15, There are only six bands that Elecraft supports with KFL1-2 band parts: 80m, 40m, 30m, 20m, 17m, 15m. Some have customized their own boards for other bands, notably 160m and 10m. When I built a K1 in 2000, only

Re: [Elecraft] Small QRP antenna

Don wrote: > A 1/2 wave radiator fed at the end theoretically does not need > any counterpoise, but in practice it does - but only needs to > be about 0.05 wavelength long. > > Refer to some antenna books (the ARRL has a good one) or the ARRL > Handbook for good information about basic antennas.

Re: [Elecraft] Camping radio ops: then and now

Phil wrote: > Why "But the KX2 has no schematics for the > customer, so that prevents my purchase.", Mike? > Mine works just fine, without schematics. It's just a matter of principal, Phil. I've never in almost 49 years a ham purchased HF gear that did not, at minimum, include the

Re: [Elecraft] Camping radio ops: then and now

Around 1960 to 1962, on my family's tent camping trips to remote locations in the Arkansas Ozarks, I would help my dad set up his Drake 2-A receiver, Multi-Elmac AF-67 AM transmitter, and 80m dipole in the trees. Power was from a military surplus 120 vac 300 watt generator (run only if no body

Re: [Elecraft] "Random wire" vs Buddystick - myth, bias or luck?

Michael A. Wong (who declines to provide his call sign) writes; > KX3 and Buddistick owner here. Great on the former...my sympathies on the latter. :-) > Mainly, I'm on 20m and maybe I haven't read the right book on random wire > antennas, Remove the words "maybe" and "random wire". If you

Re: [Elecraft] Technology Change (OT)

Morgan / NJ8M wrote: > I made a miss key ... 1625 not 1628. Yep...in fact there was never a 1628. The 1625 is a 12.6v 807, with different base. > ...then there was the magic EYE of the ARK 5 command transmitter. That's the 1629. The equipment nomenclature is AN/ARC-5 (or ARA/ATA or

Re: [Elecraft] OT KX3 wannabe in photo of Qct QST

It looks nothing like an "ancient Yaesu"...because is a Kenwood TS-830S, introduced in 1980. To this day it's one of the best hybrid-design ham transceivers ever made. It has two S2001A (equivalent to 6146B) tubes in the PA for 220 W PEP SSB, 180 W CW. Ham bands (including WARC) only. Gotta

Re: [Elecraft] KX2 books by KE7X Available

Fred wrote: > I'm pleased to announce two books dedicated to the KX2 are now available > in PDF format from www.lulu.com and from > www.ke7x.com. Printed, coil bound copies will be > available from www.elecraft.com in the near

Re: [Elecraft] KXBC3 clock drift

> I would like an icebox in my KX3 to keep my sandwiches cool while portable. > Oh, and how about an automatic coffee maker for use during contest > periods. :-) I would be suprised that even as a joke the listing above could win any arguments for the extraordinary lack of performance of

Re: [Elecraft] Why buy a KX2/KX3 compared to a KX1/MTR3B in a QRP portable scenario?

Barry wrote: > ...I would have preferred the K1, but I don't believe Elecraft is > selling that anymore. The K1 is still sold...see http://www.elecraft.com/k1_page.htm . The K1 remains an excellent small CW-only transceiver. However, the four-band KFL1-4 filter board has been unavailable for

Re: [Elecraft] General Coverage Module - List Courtesy

> I have the General Coverage Module in my K3, serial number 6969... Any > thoughts? Any??? Any at all??? Yes. I'm thinking: "It would be useful and courteous if postings to this list indicated ***in the SUBJECT line*** to what Elecraft product the posting applies!" Mike / KK5F

Re: [Elecraft] In case you missed it.

Ron, you had more courage than I did to open a link in a posting that looked like 100-percent spam...or much worse. Such a posting with a link so vaguely and suspiciously described is high school kid stuff. I looked to see what you were addressing. The excerpt with faux subtitles is from the

Re: [Elecraft] KXAT2 vs. Other Elecraft Transceiver ATUs -> Nomenclature

Phil wrote: > Interesting analysis, Mike -- though relating the various *AT* acronyms > to rigs is a bit mind bending :-) Don't I know it, Phil! K1AT, K2AT, K3AT, KX1AT, KX2AT, KX3AT, etc. would be clearer and cleaner. Then, there's KAT100, KAT500, KXAT100...perhaps K2AT100, K3AT500,

Re: [Elecraft] KXAT2 vs. Other Elecraft Transceiver ATUs

n 1:1. > > The KXAT2, like the KXAT3, uses a ratio of very close to to 2:1, so average > final SWR > is very close to 1:1. > > 73, > Wayne > N6KR > > On May 24, 2016, at 9:05 AM, Mike Morrow <k...@earthlink.net> wrote: > >> Bill wrote: >> >>&

[Elecraft] KXAT2 vs. Other Elecraft Transceiver ATUs

Bill wrote: > As to the ATU in the KX2, 7L/7C is the same range as the KX1, T1 and > I think the K2 ATU. That is wildly inaccurate, especially for the KXAT1 ATU!!! The reactance configuration for all Elecraft ATUs is an L-network of series inductance, with a capacitance connected to common

Re: [Elecraft] Announcing the KX2 80-10 m, SSB/CW/Data transceiver

Olli wrote: > d.) It has general coverage RX, but no AM mode? Does not make sense to me. > > e.) No FM mode. A pity, there's quite some FM activity... I'd also ask why proper (not zero-beat SSB) **reception** of AM (and to lesser extent, FM) could not have been easily added with only an small

Re: [Elecraft] Announcing the KX2 80-10 m, SSB/CW/Data transceiver

Wayne wrote: > Introducing the Elecraft KX2 transceiver -- the newest member of our compact > KX Line. > ... > For further details, please visit www.elecraft.com. But...some useful links are still hidden! Phil Genera posted these **most** helpful URLs: > Manual:

Re: [Elecraft] OT: Decoding high speed CW

I wrote: >> I passed the Second Class exam almost 40 years ago, but my old study >> books for the exam indicate that the tests listed above were in place >> even before WWII. AFAIK, the only change occurred in the early 1990s >> when the FCC began giving credit for all of the above if the >>

Re: [Elecraft] OT: Decoding high speed CW

Ron wrote: > In the 1950's the U.S. 2nd class commercial Radiotelegraph license exam > required 20 wpm sending and receiving. Receiving was 5 character random > groups that included all punctuation and most of the special characters you > see above the numbers on a keyboard. After 6 months of sea

Re: [Elecraft] [K1] Internal Noise Bursts every 12 seconds or so

Bob wrote: > In looking over the Front Panel Schematic quickly, my attention was > drawn to the 6 volt power supply generated on the Front Panel ("6A") > and distributed to several high gain parts of the RF board. Any noise > on 6A is going to be an issue. I also noted that there is no

Re: [Elecraft] [K1] Internal Noise Bursts every 12 seconds or so

Bob wrote: > Even though the second CPU on the filter board is mostly inactive, no > telling what internal loops are going on that might result in it turning > that 4 MHz resonator into a periodic signal. In addition to the relays on the filter board itself, the PIC on the KFL1 board controls

Re: [Elecraft] Need a KFL1-4 Manual

> That may help. > http://www.elecraft.com/manual/KFL1_4_man_rev_A.pdf > http://www.elecraft.com/manual/KFL1-4%20Errata%20Rev%20A-4.pdf There should be explicit links on the manual download page of Elecraft's website. There should be no need to use something like a google site search to turn

Re: [Elecraft] Need a KFL1-4 Manual

> I have a four filter band filter board for my K1 that I need to get > tuned up. I looked and the manual is no longer posted on the Elecraft site. What an EXTRAORDINARILY BAD policy by Elecraft to withdraw the manual for the KFL1-4 from download simply because it is no longer sold! It

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