Re: [Elecraft] JARD Technical Standard Certification Number for K3 orK3X

Having JARD Technical Standard Certification Number is not mandatory for ham radio transmitters. The transmitter without JARD Technical Standard Certification Number can get individually certified for the licensed amateur who has applied the certification to add the transmitter into his

Re: [Elecraft] JARD Technical Standard Certification Number for K3 orK3X

Transmitters do not require type acceptance or certification. We as licensed amateur radio operators are free to build or modify our transmitters at will. Here in Japan, it is different story. All transmitters must be certified by either JARD Technical Standard Certification Number or

[Elecraft] KAT500 Signal Isolation between antenna ports

I am experiencing poor signal isolation between antenna ports of KAT500. ANT1: Open ANT2: Open ANT3: Antenna connected On selecting ANT1 or ANT2, I hear signal from ANT3 although signal level is lower than ANT3. ANT1: Antenna connected ANT2: Open ANT3: Open On selecting ANT2 or ANT3, I hear

Re: [Elecraft] KAT500 Signal Isolation between antenna ports

Hi Phil, Thanks for the info. I read the product review. I will try to find better combination of antenna connection to the ANT1/2/3 ports. Local noise is very strong in my location, sometimes S7 to S9 in worst case. So bigger antenna picks up more noise. When my 14MHz quad is connected to

[Elecraft] K3 : Unstable output power in DATA A mode

Output power of my K3/100, SN 79xx, without KAT3 is very unstable in DATA A mode. The symptom is; 1. With setting 100W output on 14MHz and 10MHz, I get 100W output for a couple of seconds, then suddenly the output goes down to 10W or so. 2. On 7MHz and below, the output power never go up to

Re: [Elecraft] K3 : Unstable output power in DATA A mode

rigs have a different way of setting this up doing it 'their way' on a K3 results with the varying power levels you are seeing On 1/30/2014 2:37 PM, Keith Onishi wrote: Output power of my K3/100, SN 79xx, without KAT3 is very unstable in DATA A mode. The symptom is; 1. With setting 100W

Re: [Elecraft] QRP with the KX3

Congratulations, Ted. Excellent job with the indoor antenna. I have worked 6W2SC from Japan through long path on 14/18 CW and VP2MRV through short path on 14 CW with my KX3 5W and 2 element cubical quad. KX3 is excellent in QRP. More than that is it can pick up weak signals with strong signals

Re: [Elecraft] K-Line on digital modes

With the K3 Utility, it seems that clicking on the transmit button on the utility screen without any message in the message box does not switch K3 to transmit mode. K3 Utility is not a good tool to extensively operate digital mode. I would recommend some other tools such as MMTTY for RTTY and

Re: [Elecraft] Computers in the Stone Age

My first MS-DOS, actually PC-DOS, machine was IBM Convertible, the first IBM laptop machine, with 2 2DD 3.5 FDD drives and LCD display without backlight. I bought the machine when I was in US for my business trip. I worked with it when I was out of office. The machine was actually made by a

Re: [Elecraft] K3 - noise reduction suggestions

NB is good at taking care of pulse noise such as ignition or static noise. NR is good at taking care of continuous noise, but not for pulse noise. My location is in noise rich environment caused by power line nearby. So, nature of the strong noise is continuous noise, which I use NR as well as

Re: [Elecraft] K3 strange power surging behavior

My friend and I had similar power surge issue with our brand new K3. Having thoroughly made trouble shooting, we found the cause mostly coming from outside K3 or some glitch on constructing K3. I would recommend to carefully check your entire system including coaxial cable to your antenna

Re: [Elecraft] K3 no power

I have had similar problem before. Expertly helped by Elecraft support, I found the PIN diode on the RF board was broken. I would suggest you to talk to Elecraft support. 73 de JH3SIF, Keith 2015/04/05 8:06、Mike Reublin NF4L n...@comcast.net のメール： My K3 puts out no power in any mode, either

Re: [Elecraft] QRP RTTY

I have worked FT5ZM in 21RTTY with KX3 5W from JA. Of course, pileup was very light then. When condition is very good and noise level is low at the other location, QRP RTTY is very possible. 73 de JH3SIF, Keith 2015/06/23 5:52、Bill Frantz fra...@pwpconsult.com のメール： Last year during field

Re: [Elecraft] K3S stainless screws

Stainless screws are available for K3 as an option. When I ordered a K3 kit, I ordered the optional stainless screw kit with them. Best regards, Kiichiro Onishi, JH3SIF 2015/06/17 17:35、Johnny Siu vr2...@yahoo.com.hk のメッセージ: Hello Group, As you are aware, I was the naughty one who always

Re: [Elecraft] KX3 with internal batteries won't drive or control KXPA100, KX3 needs 12 volts to work right

Booting up KX3 and KXPA100 with external DC and then unplugging the external DC from KX3, KX3 continues to drive KXPA100. Booting up KX3 with internal battery and KXPA100 with external DC source do not allow KX3 driving KXPA100. It looks KX3 firmware decides to bypass KXPA100 when it determines

Re: [Elecraft] P3 or Sub Rx?

I got the SubRX first as a must item for DXing with K3, because I have another TRX with dual receiver capability. One of my friends got P3 and has repeatedly talked about P3 how it has excellently and effectively worked on chasing DX stations. Almost one year from having got my K3, I decided to

[Elecraft] [K3] Width Control and AF Output Level

One of my friend K3 users report that AF output level with 100Hz passband width is lower than with 150Hz passband width. He also reported that a noise like “Ptsu” was generated on reducing passband width from 150Hz to 100Hz. He had guessed that these were specific to his K3, but some other K3

Re: [Elecraft] [K3] Width Control and AF Output Level

problem keep the RXEQ set to 0 db for the frequencies of > interest and use negative db settings for the frequencies of no interest. > > 73, > Mike K2MK > > > Keith Onishi wrote >> One of my friend K3 users report that AF output level with 100Hz passband >> width is lowe

Re: [Elecraft] [K3] Width Control and AF Output Level

s > leaving the mid range flat that covers the beat frequencies (pitch) of > interest. > > 73, > Bob > K2TK ex KN2TKR (1956) & K2TKR 73 de JH3SIF, Keith > 2015/09/15 6:39、Keith Onishi <jh3...@sumaq.jp> のメール： > > My friend informed me that setting 0 to all sect

Re: [Elecraft] [K3] Width Control and AF Output Level

Hi Lyle. Thanks for your suggestions. I am going to talk to my friend on them. 73 de JH3SIF, Keith > 2015/09/14 11:58、Lyle Johnson のメール： > > Check if IIR or FIR filtering is selected for the narrowest bands. > > Also note that the receiver equalizer is not used in the 50

Re: [Elecraft] What crystal filter do you use the most?

I have 3 roofing filters, 400Hz for CW and digital, 2.8kHz for SSB and 13kHz for listening to broadcast stations. But I should have selected 500Hz 5-pole and 2.7kHz 5-pole instead of 400Hz and 2.8kHz. I have very strong local power line noise, often S3 to S5 level. Steep filter like 8-pole

Re: [Elecraft] Sub reciever

> I dont have a aux connector, but when i switch sub on it says USE AUX If the Sub RX frequency is outside BPF range selected for Main RX frequency, K3 says USE AUX. de JH3SIF, Keith > 2015/12/07 6:54、will...@zendamateur.nl のメール： > > > > Hi list > > > > I am

Re: [Elecraft] External Speaker

Here is SP3 manual; http://www.elecraft.com/manual/E740273%20SP3%20Owner's%20Manual.pdf de JH3SIF, Keith > 2016/06/21 19:10、Gary Gregory のメール： > > I was searching the Elecraft website and was unable to find much > information on the SP3. > > Did I miss something? > > I

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

[Elecraft] JT65 with KX3

I am experiencing some frequency drift on operating JT65 with KX3 + KXPA100. I was reported that my signal drifted 5 to 8Hz drift during my transmission and noticed almost same amount of drift during my receiving period. Output power was 20W with KXPA100. OSC temp shows 36C on receiving and 39C

Re: [Elecraft] KPOD RIT/XIT

Turning the K-Pod knob quickly, RIT/XIT frequency does not follow the tuning. But turning it slowly does follows the tuning. 73 de JH3SIF, Keith > 2016/07/11 6:50、DGB のメール： > > Not erratic here at all! > > 73 Dwight NS9I > > > On 7/10/2016 3:47 PM, Frank Westphal

Re: [Elecraft] K-pod - is it shipping?

I got the message early this morning that my K-Pod has been shipped. 73 de JH3SIF, Keith > 2016/06/29 7:57、Roger Marrotte のメール： > > Good to hear Eric. How about the KXPD2. It's listed as also shipping > starting today? > > Roger, W1EM >

Re: [Elecraft] Elecraft Page Down?

Elecraft web site is accessible now. 73 de JH3SIF, Keith > 2016/08/21 3:24、Gary Smith のメール： > > Down in Connecticut, not using a Big Box ISP... > > Gary > KA1J > >> http://downforeveryoneorjustme.com >> >> reports is down for everyone. >>

[Elecraft] K-Pod: feature request

I tried the new K-Pod commands with the latest beta firmwares, both K3 and K-Pod. I guessed that controlling K-Pod LEDs meant controlling rocker-switch function as well, but it did not. So I would like to make a feature request; A new K-Pod macro controlling rocker-switch function so that the

[Elecraft] Where to find K-Pod Utility and K-Pod firmware?

I think the 2 new commands to control D1-D4 need new K-Pod firmware. Page 3 of K-Pod Owner’s Manual Errata talks about K-Pod firmware upgrade. I want to try the commands with my macro, but am not able to find the utility and firmware. Where can I find them? 73 de JH3SIF, Keith

Re: [Elecraft] Where to find K-Pod Utility and K-Pod firmware?

Thanks Paul for the information. I hope they will be released very soon. 73 de JH3SIF, Keith > 2016/10/25 0:39、n6hz のメール： > > Hi Keith, > > Version 1.09 of K-Pod firmware and the new K-Pod Utility will be available > very shortly (hopefully this week). > Note that you

Re: [Elecraft] K-pod question

My K-Pod with the latest firmware release does not show such symptom. So D4 is always OFF unless sending command to set D4 on. MCU/FPF/DSP is 5.54/1.26/2.88. 73 de JH3SIF, Keith > 2016/12/12 19:15、Ed K1EP のメール： > > My D4 is always on too, as I have upgraded to the latest

Re: [Elecraft] Battery recommendations

Panasonic Eneloop works fine to me with my KX3. 73 de JH3SIF, Keith > 2017/01/15 16:49、Eddy Avila のメール： > > Hi Elecraft gang, any recommendations for Nimh batteries for my new KX3? > __ > Elecraft mailing list >

[Elecraft] KX3 - AFSK RTTY

I have been trying to set up for RTTY operation with KX3 + iMic + cocoaModem on Macbook Pro, but not successful. Mode selection on KX3 is AFSK A and cocoaModem setup is matched to the KX3 setting. RTTY signal received by KX3 appears not around 2125Hz but around 900Hz. So, I set cocoaModem’s

[Elecraft] K3: scanning problem

After making some scanning operation, VFO A tuning response becomes something strange when I make the tuning operation with K-Pod main dial. Tuning is not smooth and sometimes frequency hops or do not change. With K3 main dial, the tuning is no problem and as smooth as before making scanning

Re: [Elecraft] Data Received on Mac Transmitted by K3S

I sometimes use WSJTX on Mac. WSJTX is set to use USBcodec and Mac internal audio to mute. Having checked current my system setting, its default audio output has been set to USBcodec although I have not set so. The audio setting might have been changed by system itself. Therefore, I would

Re: [Elecraft] MAC BOOK KX3 QUESTION

I am using “iMic”, an USB audio, wirh my Macbook Pro (Retina, Mid 2014) for sending and receiving digital mode with KX3. This works fine, but I have to use VOX instead of PTT. 73 de JH3SIF, Keith > 2017/08/01 5:10、Gerry Miller のメール： > > HI GUYS, I AM USING A MAC BOOK PRO FROM

Re: [Elecraft] P3 not showing anything

Kiichiro (Keith) Onishi Sent from iPad 2017/10/16 0:53、Andrew Holman <n...@nb8f.com> のメッセージ: > Thanks Don, I decided to take a look again at the inside of the radio. > Re-seated all the cards and then took the bottom off. Guess what, that > single cable that attaches to the bott

Re: [Elecraft] Wattage Draw - K3S/100 vs KPA500/KAT500 - for UPS

100W of output power normally needs 200W of input power. My K3 (not S) with sub-RX and other options draws around 18A from DC13.8V power supply on RTTY. On CW or SSB, the DC current goes rapidly up and down according to the modulation. I guess your UPS does not assume its output current going up

Re: [Elecraft] Noise Blankers

In my experience, NR is much better than NB against power line noise. However, NR does not work on DATA mode. I use BHI Compact In-line DSP Noise Eliminating Module, which is inserted between K3 line out and USB audio module. For effectively eliminating noise, tuning RF gain and AGC level in

Re: [Elecraft] K3 Serial Comms with Apple Mac ?

FTDI driver for MacOS works fine with K3 Utility and KX3 Utility on MacOS. http://www.ftdichip.com/Drivers/VCP.htm 73 de JH3SIF, Keith > 2018/05/07 5:27、Phil Hystad のメール: > > Brandy, > > Actually, I wasn’t planning to do anything with the Serial app and comms to > the K3.

Re: [Elecraft] ACC1 via Bluetooth HC05 instead of KXSER ?

My KX3 digi-mode set-up is KX3 -> iMic -> USB Hub -> Macbook and letting VOX control TX mode. This works fine but is unable to CAT control KX3 from WJST-X. 73 de JH3SIF, Keith > 2018/06/19 7:46、Jim Brown のメール: > > WSJT-X works just fine without a radio control interface -- simply let VOX >

Re: [Elecraft] P3 problem

Congratulations to have found the cause. If signal level on P3 screen becomes unstable while the BNC cable is completely plugged in at both sides, check the cable itself. My case was that the signal level was unstable and sometimes went very low. I had thought that K3 or P3 circuit was in

Re: [Elecraft] Kx1 support

I got KX1 support from Elecraft support engineer several months ago. Kiichiro (Keith) Onishi Sent from iPad 2018/02/04 9:31、Todd Burnham via Elecraft <elecraft@mailman.qth.net> のメッセージ: > Is there still support for kx1. Looking at getting a used one which might > have a issue with

Re: [Elecraft] K-pod VFO not smooth

I have same experience on quickly turning K-Pod main nob with mostly SSB mode. I guess K3 MPU is too busy to respond to the turning. Activating a macro with F1 -F8 button while some PC application is monitoring or controlling K3 through serial port does not sometimes work properly. For example,

Re: [Elecraft] MICROHAM USB III INTERFACE WITH K3 UTILITY DOES NOT WORK

My connection K3 -> P3 -> USB III -> PC works fine with Microham driver installed. With the Microham driver GUI, you need to configure virtual COM port to communication PC software such as K3 Utility and others to K3. 73 de JH3SIF, Keith > 2018/02/17 4:23、Greg Best

Re: [Elecraft] Data bandwidth behaviour K3s

I guess that there is only ONE memory stack for entire DATA modes. So the latest filter setting is restored when any one of DATA mode is selected. If you have enabled multiple xtal filters for DATA mode, you can switch xtal filters by pushing XFIL and select band width accordingly. 73 de

Re: [Elecraft] K3 Band Data Information Needed

K3/K3S Owner’s Manual shows Band Outputs data in page 21. I am referring K3S Owner’s manual A1. 73 de JH3SIF, Keith > 2018/07/20 16:51、Barry Simpson のメール: > > I want to interface my K3 with a newly acquired SPE 1.5KFA amplifier using > the band data available on the K3 Aux In/Out socket. > >

[Elecraft] KX3 and FT8 DX Pedition Mode

Watching V6J on 17m FT8 DX pedition mode, I found that signal db of Fox’s lowest frequency below 300Hz is very low compared with its second frequency above 300Hz. Here are the example; 070830 -18 0.5 293 ~ JA2VXZ RR73; JA1UXC +03 070830 -3 0.5 353 ~ JH3IMR RR73; JR1WYW +07 This does not

Re: [Elecraft] K3 - FT8 - low power issues when TX audio below 900hz

If your WSJT-X is enabled to CAT control your K3, WSJT-X change VFO frequency on transmit so that FT8 AF frequency into K3 is center of TX filter. However, before WSJT-X has this feature, I did not have any issue on transmitting < 900Hz AF. Are you using DATA-A mode on K3 for digi-mode? If you

Re: [Elecraft] FT8: "Magic radio"?

I restrict myself to work FT8 with 5W output for 20m to 10m bands where I can use 2 elements quad up about 20 meter. Although QSO sometimes depends on other station’s receiving capability, 5W is good enough to work many DX stations around the world including long path west Africa and EU. To

Re: [Elecraft] KAT500 antenna port isolation

3 antennas with KAT500 but decided not. instead, I connected antenna 1 to port A, dummy load to port B and antenna 2 to power C. This improves isolation between antenna 1 and 2. 73 de JH3SIF, Keith Kiichiro (Keith) Onishi Sent from iPad 2018/07/08 7:08、Fred Jensen のメッセージ: > Andy, >

Re: [Elecraft] The case of the deaf P3

I have similar experience, but by different cause. My P3 sometimes went almost deaf. When that became frequently, I tried to make troubleshooting. First, I suspected K3’s IF out buffer amp, but finally I found that the IF interface (between K3 and P3) coaxial cable supplied by Elecraft was the

Re: [Elecraft] [KX3] New Product: SPX3 External Speaker

I would prefer followings; 1. a stereo audio output which can be connected to PC audio input. 2. a VR for changing SP output level without changing KX3/KX2 AF VOL These are useful to operate digital modes. 73 de JH3SIF, Keith > 2018/04/13 2:06、Robert J. Morris のメール: > > I've

Re: [Elecraft] K3 powers off when after several minutes of 12W carrier

My friend had similar problem. It cause was that LPA was not tightly attached to K3 bottom cover. After retighten the screw attaching the LPA to bottom cover, the problem was solved. I hope this helps. 73 de JH3SIF, Keith > 2018/03/28 13:51、Erik Basilier のメール: > > Same

Re: [Elecraft] P3 Phantom Signals

I have the same on my P3. I guess the phantom signals come from synthesizer spurious. When K3 VFO tunes to the phantom signal by turning VFO nob, you will hear its carrier. My K3 is not K3s but old one with original synthesizer. I am not sure on K3s or K3 with new synthesizer. 73 de JH3SIF,

[Elecraft] KX3 - Mode switch skips AM

Hello, Tapping MODE switch on my KX3 with MCU 02.90, most latest firmware, switches mode from SSB -> CW -> FM, then back to SSB. It does skips AM. I have not switched to AM for long time. I think I was able to select AM by tapping MODE before. I went through KX3 Owner’s Manual to look for any

Re: [Elecraft] KX3 - Mode switch skips AM

Correction as below; Tapping MODE switch on my KX3 with MCU 02.90, most latest firmware, switches mode from SSB -> CW -> FM -> FM, then back to SSB. It does skips AM. 73 de JH3SIF, Keith > 2019/01/14 7:37、Keith Onishi のメール: > > Hello, > > Tapping MODE switch on my

Re: [Elecraft] Opportunism, bravery, insanity: putting the "eXtreme" in Elecraft's KX and AX gear

and other JT type digi-mode operation. Weak signal with frequency drift on field operation may be less decidable. I guess some internal design change would reduce the frequency drift. 73 de JH3SIF Kiichiro (Keith) Onishi Sent from iPad 2018/12/19 3:41、Wayne Burdick のメッセージ: > Since the beginn

Re: [Elecraft] Macintosh version of Elecraft KX3 Utility

K3 Utility is 64 bit version but other Elecraft utilities are 32 bit version. So, I guess the 32 bit versions will be migrated to 64 bit version later but before the future MacOS is released. 73 de JH3SIF, Keith > 2019/03/29 0:17、Don Wilhelm のメール: > > My understanding is that a 64 bit version

Re: [Elecraft] Macintosh version of Elecraft KX3 Utility

hing in the works but I see nothing from the developers > themselves to say so and the next version of MacOS seems to be only weeks > away. > > Sent from my iPhone > >> On 29 Mar 2019, at 20:22, Keith Onishi wrote: >> >> K3 Utility is 64 bit version but other

Re: [Elecraft] Best Mac to use with KX3

Hello, I am Kiichiro Onishi, JH3SIF, having K3 with SN 07902. I hoped my K3 had been shipped with 60m transmission disabled since my KX3 was shipped with 60m transmission disabled and your signed certification indicating the disablement. As you may know, hams operating in JA are not allowed to

Re: [Elecraft] K3S filter for FT8?

Having enabled 13kHz roofing filter for digital modes, i enlarge K3 DSP filter width to 4kHz for watching FT8/JT65 and PSKs. 73 de JH3SIF, Keith > 2019/05/06 8:02、Andy Durbin のメール: > > "However, having said that, there are some operators that go out to just > short of 3.0 KHz." > > I monitor

Re: [Elecraft] K3 Lost Control of Front Panel Buttons

I have lost control of some particular PBs which have been used most often. Elecraft support suggested to check SW ADC readings on pushing the particular PBs. To check the reading, you go to CONFIG menu and select SW TEST to ON. You need to set TECH MD to ON for the test. Please use SW TEST to

Re: [Elecraft] K3S - DATA A vs AFSK A

When I run MMVari after running WSJT-X, I sometimes have the similar experience. So, I have to re-tune the audio property for MMVari. It seems WSJT-X sets Windows audio property to its favorite setting and never set it back to the original setting on its termination. 73 de JH3SIF, Keith >

Re: [Elecraft] K-POD function buttons

Page 6 of KPOD Owner’s Manual says; Macros are launched at the K-Pod using tap and hold presses of switches F1 through F8 just as you tap and hold front panel switches on your K3S/K3: - Holding switches F1 through F8 for 1/2 second or more launches K3S/K3 macros 1 through 8. - Tapping

Re: [Elecraft] Per-Band Power Setting Issue

Do you set the proper drive level per band while KPA500 is in OPER mode? How do you power off your K3S? When POWER button is pushed for power-off, K3S saves the setting in internal non-volatile memory. Otherwise, any setting changes you made after powered on will be discarded. 73 de JH3SIF,

Re: [Elecraft] KX2 Safe Operating PA Temperature

I do not have KX2 but KX3. KX3 internally set a PA temperature limit at which KX3 automatically reduces power output. Assuming that KX2 and KX3 are very similar, unless your KX2 automatically reduces power output, the PA temperature is within the safe range. I think running FT8 with 5W output is

Re: [Elecraft] K2 distorted audio on certain freq.

If you have strong pulse noise and noise blanker enabled for eliminating the noise, you may hear signals with some level of distortion. How distorted depends on the noise strength or pulse width of the noise. You may reduce RF gain of your receiver to improve relative signal to noise ratio and

Re: [Elecraft] Seeking comments on Ham Expo from participants

manufacturers have provided such in depth information on the radio design. The session was more than I expected. Thank you very much for Providing such nice sessions. 73 de JH3SIF Kiichiro (Keith) Onishi Sent from iPad > 2020/08/22 8:50、Wayne Burdick のメール: > > Hi all, > > I'd l

Re: [Elecraft] K3/100 suddenly shut down on FT8 TX

LPA temperature may be over its upper limit during transmitting FT8. If so, I would suggest to check and tighten the 3 screws securing 3 LPA transistors to the rear bottom cover. 73 de JH3SIF, Keith > 2020/06/09 9:00、Yoshida Akira のメール: > > Hi all > > I have never seen this for many years,

Re: [Elecraft] Japanese speaking KPA-500 owners?

Hello Bill, Your friend may contact to Electro Design Corporation which is the import agent of Elecraft products and providing optional support services in Japanese. Japanese users who are not confident with their English skill usually buy Elecraft products through the company. 73 de JH3SIF,

Re: [Elecraft] Advice on K3 versus KX3

It is unto your operation preferences. Listening CW in crowded situation like contesting. K3 is much better than KX3. Operating in digital mode, you can neither listen to receiving signals nor monitor your own transmitting audio with KX3. I have both K3+P3 as my main TRX and KX3 + KXPA100 as my

Re: [Elecraft] K3S CW Optimization

K3s provides many parameters to make your K3s with best setup for CW operation such as Pitch, AGC, APF and Dual-Passband CW Filtering, Receive Audio Equalization, etc. Also you may adjust SHIFT, WIDTH, LO/HI Cut in DSP Filtering. I would suggest you to adjust the parameters to get your best

Re: [Elecraft] KAT500 failure

I guess that the 10uF electric capacitor connected to LM7805 output is a possible cause. 73 de JH3SIF, Keith > 2021/04/09 7:35、Andy Durbin のメール: > > "I'm suspecting the KAT500 has a thermal problem. Does anyone recognize > these symptoms and know a probable cause?" > > I put it in the

[Elecraft] TEST mail

This is a test mail. Please ignore and discard. 73 de JH3SIF, Keith __ 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

Re: [Elecraft] K3 NB Info

Noise Blanking section in the K3 Owners Manual says; Rotating VFO A clockwise will turn on the DSP NB, showing DSP t1-1 through DSP t3-7. The first number shows the relative pulse integration time, and the second shows the blanking level. The higher the numbers, the more aggressive the DSP

Re: [Elecraft] KX-3 won't turn on with batteries

While your KX3 with the Ni-MH batteries installed is ON with an external power supply, tap DISP and rotate the OFS/VFO B nobl to find BT voltage. This lets you know the battery voltage. My KX3 with fully charged Ni-MH batteries shows “BT 10.7V”. It should be more than 8V with new Ni-MH

Re: [Elecraft] need readable kx3 block-diagram

Hello Jerry, I created a PPT version of KX3 block diagram for my own purpose. If it is helpful for you, I will send it to you after deleting some Japanese characters form the diagram. 73 de JH3SIF, Keith > 2022/05/01 3:59、JEROME SODUS のメール: > > Hello, > > I'm scheduled to give, at the August

Re: [Elecraft] K3S Antenna Selection

Hello John, Tha is not possible. ANT2 connecter and antenna switching function are provided with KAT3 ATU. I have 3 antenna feed lines. To switch the antennas according to K3 band selection, I use KAT500 ATU which has 3 SO-239m connecters. Of course my K3 does not have KAT3 option. 73 de

Re: [Elecraft] KX3 Option Advice Wanted

When I got my KX3, I positioned it as outdoor use. The options I got at the moment were KXFL3, KXAT3, KXBC3 and MH3. When I got K3 as my main TRX, I repositioned the KX3 as both a back up TRX to K3 inside shack and the outdoor use. So, I got KXPA100. Later, I added KXPD3 for easy CW operation