Re: [Elecraft] K2 still a viable portable contest station?

2019-02-27 Thread Don Wilhelm
gain handling, but a K2 with properly aligned filters is entirely usable for contesting and is better than a lot of other amateur rigs out there being used in a contest - except for the hard-core contesters who insist on having only the 'best' transceivers. 73, Don W3FPR On 2/27/2019 3:19 PM

Re: [Elecraft] K1, U1 Socket

2019-02-26 Thread Don Wilhelm
Tom, An 18 pin DIP socket is a generic item. Use it. 73, Don W3FPR On 2/26/2019 3:02 PM, Tom Johnson wrote: I am building a Four Band Module K1. I got my parts a little mixed up and installed the 18 Pin U1 socket from the 2 Band Module. The socket that came with the 4 Band Module has &qu

Re: [Elecraft] K3/100 Voltage Drop when transmitting

2019-02-25 Thread Don Wilhelm
watts at 11 volts than it does at 13.8 volts. 73, Don W3FPR On 2/25/2019 2:44 PM, j...@kk9a.com wrote: I suspect the problem is the power supply and Don has some good suggestions. I am not sure what the actual K3 power requirements are. FWIW, Astron's are rated for ICS, if you really want 25

Re: [Elecraft] K3/100 Voltage Drop when transmitting

2019-02-25 Thread Don Wilhelm
the locking tab. That is also a cause of APP connectors which tend to pull out with very little tension. 73, Don W3FPR On 2/25/2019 2:12 PM, James Walker wrote: I have a K3 that behaves similarly to what Mike described. I switched from an Astron 25 amp (15 years or more old) power supply to a switching

Re: [Elecraft] K3/100 Voltage Drop when transmitting

2019-02-25 Thread Don Sayler
I had a similar problem. I checked the key-down voltage at my power supply, and was surprised to see that it was low (I don't recall the exact voltage).I'm using an Astron linear power supply. I replaced the voltage regulator in the power supply, and the problem was solved.73,Don Sayler

Re: [Elecraft] K3 AFSK TX Filter

2019-02-24 Thread Don Wilhelm
Ed, I am not certain what you are referring to as the "AFSK TX filter". You must enable the 2.7 or 2.8kHz filter for all DATA modes. You can enable any filters for receive in any mode, but you cannot use narrow filters for transmit. 73, Don W3FPR On 2/24/2019 1:40 PM, Ed G wro

Re: [Elecraft] P3TXMON Advice

2019-02-23 Thread Don Wilhelm
Steve, The 200 watt coupler will give more resolution at lower powers. In other words, the 2000 watt coupler covers the scale from 0 to 2000 watts, and 100 watts is only 1/20th of the way up the scale. With the 200 watt coupler, 100 watts is the halfway point. 73, Don W3FPR On 2/23/2019 6

Re: [Elecraft] K3 and DATA Mode Transmit Question

2019-02-23 Thread Don Wilhelm
or "invert" or anything that would change the sideband for AFSK A mode set in either MMTTY or N1MM+. 73, Don W3FPR On 2/23/2019 8:36 AM, Ed G wrote: My K3 seems to be all set up for RTTY – DATA Mode, AFSK A selected, I am using Line in on the rear panel (selected in the MENU), I use M

Re: [Elecraft] K3 XFIL Button

2019-02-20 Thread Don Wilhelm
lieve that will give you what you seek. 73, Don W3FPR On 2/20/2019 5:15 PM, Ed G wrote: Seems like the K3 XFIL button essentially does the same thing as the DSP width knob. That is, depending on how the user has set up the filter configuration, both DSP and filter selected are pretty much

Re: [Elecraft] Announcing W8FGU Servicing Elecraft's Classic Line ofProducts

2019-02-19 Thread Don Schroder
Welcome aboard, Dave! I have been working closely with Don Wilhelm while assembling my K2 (serial 7818). We have had quite a few burps, but with Don’s help I am getting closer to completion. Then I will be able to make MY FIRST QSO as a new ham! The K2 is my first and only ham radio, and I am

Re: [Elecraft] [K2] K2 base low xmit power on all bands @ > 10 watts

2019-02-19 Thread Don Wilhelm
and R27) so your KAT100 power is equal to that shown on the LP-100. You must use a good 50 ohm dummy load (not an antenna) to insure accuracy. 73, Don W3FPR On 2/19/2019 11:03 AM, K5MMH wrote: Hello All, Let me first state that I do not know how long this condition has existed. I recently added

Re: [Elecraft] KX3 Shutdown and Power up problems.

2019-02-18 Thread Don Wilhelm
to send it in for service. If you prefer, it can be sent to the service facility in Italy. 73, Don W3FPR On 2/18/2019 5:57 PM, BERNARD COLLINS via Elecraft wrote: My KX3 has developed a problem after a power interrupt/restore carried out by my mistake. With batteries fitted it will no longer

Re: [Elecraft] KPA1500 Power Supply Issue

2019-02-17 Thread Don Wilhelm
Paul, Be certain the control cable between the KPA1500 RF deck and the power supply is seated properly and the jackscrews tightened. The fact that the KPA1500 power switch does nothing is an indicator that the cable may have some problem. 73, Don W3FPR On 2/17/2019 6:41 PM, paule408

Re: [Elecraft] low pass filters

2019-02-17 Thread Don Wilhelm
filters and single band antennas are the normal "cure" as well as physical separation of the antennas. 73, Don W3FPR On 2/17/2019 5:59 PM, Richards wrote: Good day -   What is the consensus concerning low-pass filters to minimize RFI both coming in and going out  of the shack?   Is the

Re: [Elecraft] New KPA500/KAT500 question

2019-02-17 Thread Don Wilhelm
, Don W3FPR On 2/16/2019 9:06 PM, Dave Cole (NK7Z) wrote: Can you expand on: "There is no relationship between the K3 and P3 for considerations with the amplifier and ATU." What does this mean exactly? __ Elecraft ma

Re: [Elecraft] New KPA500/KAT500 question

2019-02-16 Thread Don Wilhelm
there is no conflict. If you have the K3S or a K3 upgraded with the KIO3B, then download the latest P3 manual and look at the cabling on page 5. You will need the CBLP3Y to connect it as shown there. 73, Don W3FPR On 2/16/2019 7:51 PM, Dave Cole (NK7Z) wrote: Hello, I have a K3, and a P3, connected

Re: [Elecraft] Removing/connecting PL-259s

2019-02-16 Thread Don Wilhelm
removing the connectors. 73, Don W3FPR On 2/16/2019 6:07 PM, Drew AF2Z wrote: FWIW, I use NO-OX-ID contact grease on my PL259 connectors. This allows very tight snugging by hand, no need of wrenching. During lightning season I frequently connect/disconnect my rig and tuner cables. The fine film

Re: [Elecraft] KX3 and SDR IQ ( Spectravue) question

2019-02-16 Thread Don Wilhelm
for a panadapter display. Yes, the SDR IQ works fine with the K3 which has an IF output at 8.215MHz. 73, Don W3FPR On 2/16/2019 12:03 PM, Viggo Magnus Nilsen Nilsen wrote: Hello Elecrafters., Have some of you connected an SDR IQ to the KX3,, ( use as an Panadapter with Spectravue) ? Work very well

Re: [Elecraft] KPA3A Failure & related

2019-02-16 Thread Don Wilhelm
in and everything is "loafing along". Oh yes, aside from that, some amplifiers do fail for various reasons - and I think we are mixing failures of the K3/K3S with amplifier failures in this thread. 73, Don W3FPR On 2/16/2019 1:43 PM, Bob McGraw K4TAX wrote: This discussion has risen

Re: [Elecraft] KEYBOARD

2019-02-15 Thread Don Wilhelm
Bob, Most Logitech keyboards work well with the P3. I don't know about the mini-keyboards. 73, Don W3FPR On 2/15/2019 9:53 PM, Bob Gibson via Elecraft wrote: I'm looking for the recommend keyboard to plug into the back of the P3 that works! I looking for a mini keyboard..The one I have does

Re: [Elecraft] K2: IF Tap Point

2019-02-15 Thread Don Wilhelm
for anyone to add the filter from the instructions. If you want a copy, send me an email off-reflector and I will send a copy to you. 73, Don W3FPR On 2/15/2019 1:26 PM, Paul Gacek wrote: Don Do you know what has to be done (extra circuitry etc) to get the DXE Clifton Lab amp to work

Re: [Elecraft] K2: IF Tap Point

2019-02-15 Thread Don Wilhelm
the Clifton Labs buffer amplifier (but not the specific K2 version that Jack Smith (SK) also sold. 73, Don W3FPR On 2/15/2019 12:02 PM, Jim KO5V wrote: Good morning, I have a HupRF PAT tap buffer amp board for my K2's IF. I installed an SMA connector on the heatsink panel when I built the rig

Re: [Elecraft] KIO2 RS-232 to USB?

2019-02-15 Thread Don Wilhelm
to PC cable if you have not done so already, and connect it to an RS-232 port on the computer. If you do not have RS-232 ports, then you will need a USB to RS-232 adapter. Those with an FTDI chipset such as the Elecraft KUSB work best. Those with a prolific chipset are problematic. 73, Don

Re: [Elecraft] KAT500 lost comm with PC

2019-02-14 Thread Don Wilhelm
Paul, Download the one on the first page that opens.  I can't recall, but I think it is VCP. 73, Don W3FPR On 2/14/2019 12:24 PM, Paul Ecker wrote: Don - so at the FTDI Chip site they list  VCP, D2XX,D3XX drivers for download. What type works with the Elecraft KXUSB ?? Tnx & 73

Re: [Elecraft] KAT500 lost comm with PC

2019-02-14 Thread Don Wilhelm
Paul, I would suggest downloading the FTDI drivers and after installing, restart the computer. 73, Don W3FPR On 2/14/2019 9:33 AM, Paul Ecker wrote: My KAT500 has stopped communicating with my Win 10 PC. I have tried two different KXUSB cables. When connected, neither show up in the Windows

Re: [Elecraft] TRS connectors - Heil Foster adapter

2019-02-12 Thread Don Wilhelm
are designed for mono plugs normally used on the Heil headsets. 73, Don W3FPR On 2/12/2019 9:41 AM, hawley, charles j jr wrote: I investigated the Heil Foster adapter and the shorted ring-sleeve is inside the 1/8 inch phono jack. Not in the easily fixed Foster plug. So it cannot be fixed

Re: [Elecraft] KPA500 serial interfaces

2019-02-11 Thread Don Wilhelm
s simply issuing a command to the radio and expects a response to that command.  That is a command/response scenerio, and is not really polling. Don W3FPR On 2/11/2019 3:55 PM, Andy Durbin wrote: "I have no idea how your "polling" device works, but with RS-232, thereis no polling, &

Re: [Elecraft] KPA500 serial interfaces

2019-02-11 Thread Don Wilhelm
ows multiple devices to listen in on the communications. 73, Don W3FPR On 2/11/2019 3:04 PM, Andy Durbin wrote: "The Serial Box<https://bit.ly/S-BOX> (S-BOX) was specifically designed to make it easy to connect multiple devices in parallel to any transceiver's serial port, including

Re: [Elecraft] K3S boom mic ensemble options.

2019-02-09 Thread Don Wilhelm
, Don W3FPR On 2/9/2019 3:53 PM, Brian “VE3BWP” Pietrzyk wrote: I will soon have a K3S and I’ve been in the market for a boom mic set for the shack. This will be my first boom mic. I’ve checked out the Hiel site and could not find any complete packages. Everything is sold in too many subassemblies

Re: [Elecraft] K3S sending gibberish FSK

2019-02-09 Thread Don Wilhelm
can ignore the audio levels, but you do need to convert the level to TTL voltage levels (+5 volts and ground).  If using that input, the K3 mode should be FSK D. 73, Don W3FPR

Re: [Elecraft] K3S sending gibberish FSK

2019-02-09 Thread Don Wilhelm
Are you driving the K3S with sufficient audio. You should have 4 bars solid with the 5th bar flashing on the ALC meter. See my article on that subject at my website www.w3fpr.com for a full explanation about setting the audio levels for soundcard Data modes. 73, Don W3FPR On 2/9/201

Re: [Elecraft] Service manual

2019-02-08 Thread Don Wilhelm
Richardo, If you need detail information on the circuits of the K3, download the K3 Schematics. 73, Don W3FPR On 2/8/2019 9:32 AM, Ricardo PY2PT wrote: Ok. Thanks Ricardo Rodrigues - PY2PT | PX2F | 3D2PT | T30PT | T33PT | HH2/PY2PT py2pt.bra...@gmail.com http://www.py2pt.com <h

Re: [Elecraft] Service manual

2019-02-08 Thread Don Wilhelm
Richardo, You are looking for something that does not exist. The Troubleshooting section of the Owner's Manual has a lot of information about error codes and steps to correct it. 73, Don W3FPR On 2/8/2019 8:35 AM, Ricardo Rodrigues wrote: Dear Guys, Hi. Please, im trying to find

Re: [Elecraft] KPA500 not faulting

2019-02-08 Thread Don Wilhelm
Jack, It would be best to email supp...@elecraft.com 73, Don W3FPR On 2/8/2019 7:53 AM, Jack Satterfield wrote: I accidently sent 200 watts pep to the KPA500 input however it did not fault on high input power. Thought I would check here first before calling Elecraft Jack W4GRJ

Re: [Elecraft] Elecraft business practices

2019-02-08 Thread Don Wilhelm
is when they offered first shipment priority on the KPA1500 if they pre-paid. 73, Don W3FPR On 2/8/2019 7:41 AM, Lou Voerman W2ROW wrote: Let me start by saying that I am a long term Elecraft customer. I have built 4 K2s and a K1. I also own a K3, K3s, KX3, KX2 and other Elecraft gear. I helped out

Re: [Elecraft] K2: I killed my KPA100

2019-02-07 Thread Don Wilhelm
Jim, Glad to hear that you have it solved. It is necessary to have all power connections tight. Yes, check the simple things first. That is a rabbit hole we all fall into at one time or another. 73, Don W3FPR On 2/7/2019 7:41 PM, Jim KO5V wrote: Don, It is all working again! The power

Re: [Elecraft] K2: I killed my KPA100

2019-02-07 Thread Don Wilhelm
it. 73, Don W3FPR On 2/7/2019 10:41 AM, Jim KO5V wrote: Don, I finished the amp a few weeks ago. Both the amp and the KAT100 in the EC2 have been working as they should, and I've made many QSOs, many with transmit times long enough to cause the fan to switch to the high-speed. When I started

Re: [Elecraft] K2: I killed my KPA100

2019-02-07 Thread Don Wilhelm
of the KPA100 - due to a solder splash or some other problem. Look at all points that are labeled 12PA in the schematic. Your ohmmeter from ground to the + terminal of J3 should show the short. Any chance that you have assembled J3 backwards? 73, Don W3FPR On 2/6/2019 4:59 PM, Jim KO5V wrote: Hi

Re: [Elecraft] Using SunSDR2 pro with KPA500

2019-02-05 Thread Don Wilhelm
and amplifier in the Basic Configuration. You will have to consult with the SDR transceiver folks to see if there is a KeyOut connector (I did not see one when I looked a some of the ads). Without that, the SunSDR2 cannot key any amplifier. 73, Don W3FPR On 2/5/2019 1:15 PM, Stephen Prior wrote: Does

Re: [Elecraft] Tx distortion

2019-02-05 Thread Don Wilhelm
supply voltage will increase the IMD significantly. Check the power supply connections as well. Monitor the voltage the K2 sees during transmit by using the K2 display function rather than measuring the power supply voltage directly. 73, Don W3FPR On 2/5/2019 6:26 AM, mustang65 wrote: Don, I

Re: [Elecraft] K2: I killed my KPA100

2019-02-03 Thread Don Wilhelm
the KAT100 alone (without the KPA100). 73, Don W3FPR On 2/3/2019 10:13 PM, Jim KO5V wrote: I tried to tune the KPA/KAT100, and the SWR went to red. I quickly exited 'tune', checked all of the connections, and the antenna, and tried again. Same result, except before I could take it out of tune

Re: [Elecraft] Purchased from a SK a K3

2019-02-03 Thread Don Wilhelm
Bill, When you need to send it in for repair, email supp...@elecraft.com asking that an RSA be issued. Explain that you bought it used. You should also include your K3 serial number and your contact information in that same email. 73, Don W3FPR On 2/3/2019 2:13 PM, 1lasportsman

Re: [Elecraft] Tx distortion

2019-02-03 Thread Don Wilhelm
instead of the metal tab on the 2SC2166), then change RF Board R46 to 330 ohms. 73, Don W3FPR On 2/3/2019 1:26 AM, mustang65 wrote: Don, I have done some measuring on the powerstage. dc voltage during tuning is 14,1 v Bias Q7 is 0,652v when tuning. U1 pin6 43mV on ssb transmitting. I get about 10w

Re: [Elecraft] Purchased from a SK a K3

2019-02-03 Thread Don Wilhelm
Bill, There is not any requirement to register it with Elecraft. However, if you need to send the K3 for service, you will want to make sure that serial number is updated with your contact information. 73, Don W3FPR On 2/3/2019 1:52 PM, Bill wrote: Do I need to register with Elecraft

Re: [Elecraft] Tx distortion

2019-02-03 Thread Don Wilhelm
the bandpass filters. 73, Don W3FPR On 2/3/2019 1:26 AM, mustang65 wrote: Don, I have done some measuring on the powerstage. dc voltage during tuning is 14,1 v Bias Q7 is 0,652v when tuning. U1 pin6 43mV on ssb transmitting. I get about 10w max output (do not have a bird) all measuring was done

Re: [Elecraft] Malfunction of the Keys at the K3 Front Panel after Firmware update

2019-02-02 Thread Don Wilhelm
riginal owner's name and callsign. 73, Don W3FPR On 2/2/2019 3:54 PM, Chris_DL2MDU wrote: I had a K3 SN 1115 on my table. After update the firmware to 5.66 there was an issue with the Front Panel. Keys did not work (MENU, SHIFT-LO). Other Keys have changed (NR was on RX_ANT) I used an earlier version (5

Re: [Elecraft] Tx distortion

2019-02-02 Thread Don Wilhelm
affects bias for SSB. Go to transmit (not TUNE) in SSB and make certain pin 6 of RF Board U1 goes to zero. 73, Don W3FPR On 2/2/2019 3:28 PM, mustang65 wrote: Thanks for answers. The symetrix output impedance is 200 ohm and it is recommended to not load it lower then 600 ohms. I lifted the plus

Re: [Elecraft] Tx distortion

2019-02-02 Thread Don Wilhelm
Mike, Notice that U2 also has an output that is involved in PTT and VOX detection via U4 and the COMP OUT signal. The signal at the output side of C31 is driving an impedance of about 8k ohms. I don't know what your Symetrix mic amplifier is capable of driving. 73, Don W3FPR On 2/2/2019 1

Re: [Elecraft] Tx distortion

2019-02-02 Thread Don Wilhelm
, but it is not a drop-in replacement, and if that turns out to be the problem, it means buying a new KSB2 board. 73, Don W3FPR On 2/2/2019 10:07 AM, mustang65 wrote: Many thanks for the answer and good to know that I can rule out the filter as the problem. I have not change anything

Re: [Elecraft] Tx distortion

2019-02-02 Thread Don Wilhelm
is a dynamic type, did you remove the bias resistor? If the bias resistor is left in and a dynamic mic is used, the bias voltage will drive the mic diaphram off center causing it to "sound funny". 73, Don W3FPR On 2/1/2019 11:13 AM, mustang65 wrote: Hi! I have hade my k2 abou

Re: [Elecraft] KX2 modification

2019-01-31 Thread Don Wilhelm
) should also install this change. 73, Don W3FPR On 1/31/2019 3:26 PM, IK4EWX wrote: I own KX2 serial number 749. I see that on higher serieal numbers KX2 Elecraft have introduced a modifications for reducing spurious on tx (and improve thermal dissipations it seem to me). What do you think about

Re: [Elecraft] K2: A couple of minor issues

2019-01-30 Thread Don Wilhelm
should be able to make up for that low audio. 73, Don W3FPR On 1/30/2019 7:02 PM, Jim KO5V wrote: Good evening, I have been enjoying my newly-built "K2 twins" over the last few weeks (K2 #7225), but so far, only on 20M and 17M - there's been no propagation on the higher bands, and I

Re: [Elecraft] Duty on warranty repairs

2019-01-30 Thread Don Wilhelm
something different to say. One thing I can say is that you should ship via the postal system rather than UPS or FedEX. Both those charge a "brokerage fee" which may be substantial. Elecraft will have to charge you for any brokerage fees that may be encountered. 73, Don W3FPR On 1

Re: [Elecraft] Best Mac to use with KX3

2019-01-30 Thread Don Wilhelm
email to supp...@elecraft.com for assistance. If this is a K3 that you bought from another ham, I would net expect 60 meters to be disabled unless that ham is also located in Japan. That serial number indicates that it was produced before the introduction of the K3S. 73, Don W3FPR On 1/29/2019

Re: [Elecraft] KPA100 Rev C errata Rev. C-5, correct version?

2019-01-29 Thread Don Wilhelm
Casey, You need only the latest errata sheet. Earlier errata is included in the latest one. 73, Don W3FPR On 1/29/2019 4:28 PM, TI2/NA7U wrote: I have a new KPA100 kit, everything still in the box, with assembly manual Appendix G, Rev C, Feb. 11, 2004 and a single errata sheet

Re: [Elecraft] CM500 Mic ?

2019-01-28 Thread Don Wilhelm
Paul, While I have seen ads saying it has a dynamic element, that is not the case - it is an electret type. I believe it was designed to be a microphone you could plug into a computer, and all of those are electret types. 73, Don W3FPR On 1/28/2019 2:26 PM, Paul Ecker wrote: Does anyone

Re: [Elecraft] Last Click Serial Port

2019-01-28 Thread Don Wilhelm
wired ethernet network. Listen for that final click. 73, Don W3FPR On 1/27/2019 10:00 AM, Mike Greenway wrote: Since I have incurred a situation at lest 3 times on my K3S, since it might help someone I thought I would share some info. On occasion I need to un-cable the K3S when working

Re: [Elecraft] Best Mac to use with KX3

2019-01-27 Thread Don Wilhelm
w powerful a computer you will need - Mac or other OS. 73, Don W3FPR On 1/27/2019 12:08 PM, Steve Grimaud (Gmail) wrote: I'm trying to find a good new or used Macbook or Mac mini to begin using with my KX3. I had used a PC with ASUS Xonar U7 and/or Signalink USB. What will I need to keep, d

Re: [Elecraft] Latest Elecraft NEWS

2019-01-25 Thread Don Wilhelm
Jan, The HW-16 was a crystal controlled transmitter only - no receive capability. Yes, there was a time when transceivers did not exist, and many transmitters did not come with a VFO. Many VFOs were external to the transmitter. 73, Don W3FPR On 1/25/2019 4:35 PM, Jan wrote: Err, WAYNE

Re: [Elecraft] K3 Bricked HELP!!

2019-01-24 Thread Don Wilhelm
.  If that is the problem, I can help with identifying the proper COM port to put into K3 Utility. 73, Don W3FPR On 1/24/2019 3:41 PM, RIchard Williams wrote: Bob, If you are trying to use the USB port after a failed firmware update,   you need to either use the RS-232 port or take  the top cover off

Re: [Elecraft] K3 Bricked HELP!!

2019-01-24 Thread Don Wilhelm
r it could be more complicated depending on what else you have in your station. ERR PTT means that either a key or a mic PTT closure was detected when the K3 was turned on. 73, Don W3FPR On 1/24/2019 3:03 PM, Bob DeHaney wrote: Trouble started with no reception on 14 or 24 mHz. Reloaded con

Re: [Elecraft] Auto-spot, tuning aids, and the arcane history of CW pitch-matching

2019-01-23 Thread Don Wilhelm
can determine your own values, but for those without that equipment, the data sheet provides a good index for various temperatures. 73, Don W3FPR Yes. I'm a stickler for accuracy. It always bothered me that the so-called 'temperature compensated' LO in the K3 was not actively being steered

Re: [Elecraft] K3 KAT3 High SWR Issue Solved

2019-01-23 Thread Don Wilhelm
Mark, I am not certain when they stopped installing the trap in the KAT3, but I know it is not in the KAT3A. If you pull your KAT3 out for any reason, eliminate the trap. 73, Don W3FPR On 1/23/2019 2:07 PM, Mark Musick wrote: Don, Is the trap in all KAT3s up through those installed in K3s

Re: [Elecraft] K3 KAT3 High SWR Issue Solved

2019-01-23 Thread Don Wilhelm
Scott, It was added to the initial K3s, but later found not to be necessary, and if the trap broke down, it would cause trouble. So the KAR3A does not have it. 73, Don W3FPR On 1/23/2019 10:49 AM, K9MA wrote: On 1/23/2019 09:41, Ed G wrote: A fair amount of digging in the email archives

Re: [Elecraft] Auto-spot, tuning aids, and the arcane history of CW pitch-matching

2019-01-22 Thread Don Wilhelm
. 73, Don W3FPR On 1/22/2019 1:54 PM, Chris Cox, N0UK wrote: The transceive problem didn't seem to exist on any older non-synthesized transceiver that I have used, including FT-101 series, TS-520/820 and later, KW Electronics KW-2000E. these were all '70s era transceivers. -- 73 Chris Cox, N0UK

Re: [Elecraft] New K2 Build

2019-01-21 Thread Don Wilhelm
build or repair jobs. I will be continuing to provide support on this reflector. Yes, it is a part of getting older! 73, Don W3FPR On 1/21/2019 6:24 PM, Bill Johnson wrote: I think so. Wayne thought I may have a record for the shortest build @ 26 hours. But I think Don would easily beat

Re: [Elecraft] New K2 build

2019-01-20 Thread Don Wilhelm
be cut), and the K60XV requires only the removal and replacement of one capacitor. You must have done something to expedite that order - UPS Ground delivery here in the US is usually 5 to 7 days unless it is to the same state or one adjacent where the delivery is next day to 3 days. 73, Don W3FPR

Re: [Elecraft] K2 VCO Alignment T5 L30

2019-01-20 Thread Don Wilhelm
Tom, Good work on the VFO. Before you replace U11, measure the resistance from the wire on the carrier board to the lead of the SMD IC.  Do that for all pins.  The PC traces on the carrier board are not thru-plated holes and sometimes become damaged with soldering. 73, Don W3FPR On 1/19

Re: [Elecraft] Elecraft K2 external amplifier

2019-01-20 Thread Don Wilhelm
to not project above the top of the panel. 73, Don W3FPR On 1/20/2019 8:15 AM, Wolfgang Peringer wrote: Hello: I have built and installed the K60XV 60m and transverter adapter in my K2. I was using the 8-pin female connector (RF-J13) for my amplifier keying circuit (N0SS design). As this connector

Re: [Elecraft] MCU Load Issues

2019-01-19 Thread Don Wilhelm
Paul, Go to the K3 Utility Help file and find the instructions to "Force a Firmware Download. Follow those instructions and you should be back on the air. That "problem" is usually caused by a computer glitch during a firmware load to the K3S. 73, Don W3FPR On 1/19/2019 6:

Re: [Elecraft] My KAT500 won't tune when RF is applied via keying down on the microphone or by using the CW paddle. It tunes if I whistle into the microphone. I have it set up as Figure 5. General Cab

2019-01-19 Thread Don Wilhelm
. 73, Don W3FPR On 1/19/2019 4:09 PM, James Dahl wrote: My KAT500 won't tune when RF is applied via keying down on the microphone or by using the CW paddle. It tunes if I whistle into the microphone. I have it set up as Figure 5. General Cabling Requirements - Stand-Alone Transmitter

Re: [Elecraft] [K2] T-R Driver Circuit to key KXPA100

2019-01-19 Thread Don Wilhelm
components on the RF board - keep the jack as close to the top of the lower panel as possible. 73, Don W3FPR On 1/19/2019 2:23 PM, Heinz Baertschi wrote: What kind of T-R keying circuit is necessary in the K2 (with K60XV installed for 60m band usage, no XVTRs connected) to operate the KXPA100

Re: [Elecraft] FT8 Transmit Problem

2019-01-19 Thread Don Wilhelm
p problem and not a K3/K3S problem. 73, Don W3FPR On 1/19/2019 5:43 AM, Terry Hines wrote: I'm having trouble with the I/F between Windows 10 and the USB sound card in my upgraded K3. I've checked and the Sound Card settings in Windows 10 and they are exactly as shown in Chapter 10 of Fred C

Re: [Elecraft] WSJT-X Frequency Anomaly

2019-01-18 Thread Don Wilhelm
this because I have encountered many hams who do not know what zero-beat is. 73, Don W3FPR On 1/18/2019 6:15 PM, Bob McGraw K4TAX wrote: One easy method is place the radio on the CW mode. Time to one of the WWV frequencies. Press the SPOT to activate the function. Any difference between the WWV

Re: [Elecraft] WSJT-X Frequency Anomaly

2019-01-18 Thread Don Wilhelm
Note that in the two cases mentioned, you reported 47 +/-1 Hz difference. That is not much and can easily be attributed to a difference in the calibration of the radio or the audio frequency accuracy of the soundcards. 73, Don W3FPR On 1/18/2019 12:07 PM, Rick WA6NHC wrote: On 1/18/2019 8

Re: [Elecraft] K2 VCO Alignment T5 L30

2019-01-18 Thread Don Wilhelm
eplacement. If that does not correct things, then email me and we can go through some other checks to determine the source of the failure. 73, Don W3FPR On 1/18/2019 8:48 AM, K2bew wrote: Don et al, Since I know Don monitors the reflector as well as the support emails, rather than email Don directly

Re: [Elecraft] Driving KPAA500 from KX3

2019-01-16 Thread Don Wilhelm
John, If the voltage displayed on the KPA500 is within range, nothing has to be done. See page 9 of the KPA500 manual for instructions on checking the voltage. If the voltage is not in range, change the transformer tap. See page 8 of the manual. 73, Don W3FPR On 1/15/2019 8:43 PM, John

Re: [Elecraft] Setting band edges on the K3

2019-01-16 Thread Don Wilhelm
answer. 73, Don W3FPR On 1/16/2019 10:37 AM, David Woolley wrote: The UK 5MHz allocation is not a single continuous allocation.  It is more like number of spot frequencies with allowances for different bandwidths.  Applying frequency fencing would need consideration of modes and filters

Re: [Elecraft] K3s Line Out (stereo)

2019-01-16 Thread Don Wilhelm
essentials and begin to determine where the "failure" is occurring. Test one thing at a time. 73, Don W3FPR On 1/15/2019 8:00 PM, Dave Sublette wrote: My K3s arrived over the weekend and I have been setting it up. I am using the rear Audio jacks to drive either headphones, or t

Re: [Elecraft] K3s Line Out (stereo)

2019-01-15 Thread Don Wilhelm
to listen in, we would simply turn on SPKR+PHONES in the menu, and the speaker could also be heard. Very versatile. Why make it complicated - the K3 gives us the tools to do it 'the easy way'. 73, Don W3FPR On 1/15/2019 11:23 PM, K9MA wrote: I found that the level at headphone output, at least

Re: [Elecraft] K3 Sub-receiver RIT

2019-01-15 Thread Don Wilhelm
VFO A anytime you change your transmit frequency. 73, Don W3FPR On 1/15/2019 4:29 PM, g...@gmx.net wrote: John, the issue with SO2V is that you want to stay on your run frequency, but be able to slightly tune up and down to hear callers which are not exactly on your TX freq. RIT comes in handy h

Re: [Elecraft] Phillips screwdrivers

2019-01-15 Thread Don Wilhelm
is Excelite. Yes, if you are working on Japanese radios, you will need JIS. 73, Don W3FPR On 1/15/2019 12:04 PM, Arthur Nienhouse wrote: */Don Good advice on shinny  Phillips drivers. Are the screws in the Elecraft products American Phillips, or JIS Japanese Industrial Standard? JIS which all

Re: [Elecraft] KAT3A & KIO3B Upgrade for my K3

2019-01-14 Thread Don Wilhelm
Elecraft - it may be less expensive than ordering the screws one by one. Congratulations on finishing the K1. 73, Don W3FPR On 1/14/2019 8:36 PM, Joseph M. Durnal wrote: KAT3A and KIO3B installed!  Had a scare as I couldn't remove the bottom center screw on the right side panel, it started stripping

Re: [Elecraft] SWR on 40M band

2019-01-14 Thread Don Wilhelm
...@elecraft.com may provide additional information. 73, Don W3FPR On 1/14/2019 7:52 PM, Dragan 4O4A wrote: Hi Don, Thanks for prompt reply. No KAT3 installed. I'm aware that it is not a big deal, it's just annoying. However, I would like to understand what caused it and how to fix it - if it is a simple

Re: [Elecraft] SWR on 40M band

2019-01-14 Thread Don Wilhelm
not have to be 1:1. In fact there is a low SWR point where the ATU will not attempt to tune. See the K3 manual page 22 and the CONFIG:KAT3 menu (K3 manual page 56). If you have the K3S, the manual pages may b a bit different. 73, Don W3FPR On 1/14/2019 7:24 PM, Dragan 4O4A wrote: Hello all, Well

Re: [Elecraft] 500Hz Filter Offset Question

2019-01-14 Thread Don Wilhelm
filters are included. 73, Don W3FPR On 1/14/2019 5:30 PM, Rich wrote: So now that I have 5 pole filters, I seem to recall that entering the offset freq is not required any longer on the K3S, is that true? Also does a K3 upgraded with K3S features need the offset freq? I should mention

Re: [Elecraft] New DSP Idea

2019-01-14 Thread Don Wilhelm
improvements have simply been moved to a lower priority. 73, Don W3FPR On 1/14/2019 2:49 PM, bill wrote: Is the K3 now a developmental orphan? __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http

Re: [Elecraft] K2 upgrades?

2019-01-14 Thread Don Wilhelm
perform just like a newly built kit. That fact makes it difficult to predict what upgrades are still needed other than inspection of the parts installed. 73, Don W3FPR On 1/14/2019 1:43 PM, Johnny Matlock wrote: I bought a older K2 today. Serial number below 1000. Which upgrades are recommended

Re: [Elecraft] Slightly Unbalanced dipole?

2019-01-13 Thread Don Wilhelm
the coax shield as another conductor. A similar situation exists at the transition between parallel feedline and coax. 73, Don W3FPR On 1/13/2019 6:42 PM, Al Lorona wrote: By the way, whenever Jim says, "...a very good common mode choke at the feedpoint of an antenna...," he means

Re: [Elecraft] KPA500 & Drake TR7

2019-01-13 Thread Don Wilhelm
, Don W3FPR On 1/13/2019 5:19 PM, Marcel Jorba via Elecraft wrote: Thanks to all of for your prompt answers On CW it works great thanks to the carrier adjustment control On SSB: it goes to 150W out very easy Yes it is just for fun. The K3 is great but the TR7 is funny and special. One last

Re: [Elecraft] KX3 - Mode switch skips AM

2019-01-13 Thread Don Wilhelm
Keith, Go to the menu and make sure AM MODE is turned ON. 73, Don W3FPR On 1/13/2019 5:37 PM, Keith Onishi wrote: 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

Re: [Elecraft] K3: Receiver recovery time

2019-01-13 Thread Don Wilhelm
. For that reason, your K3 may have a different answer than others. 73, Don W3FPR On 1/13/2019 3:43 PM, Dave Cole (NK7Z) wrote: Hi Don, Thanks for the combined brain power!  I have a plan for testing if it ever gets that far.  I am just trying to see if the K3 receiver recovers sufficiently fast

Re: [Elecraft] Slightly Unbalanced dipole?

2019-01-13 Thread Don Wilhelm
of the coax. The OCF antennas are infamous for conducting RF into the shack. 73, Don W3FPR On 1/13/2019 3:07 PM, Ron Genovesi wrote: I was asked a question by a newcomer to HF today. After thinking about it, I realized it had never really occurred to me. So I’ll pass it on to the group

Re: [Elecraft] K3: Receiver recovery time

2019-01-13 Thread Don Wilhelm
for the dits or measure it on an oscilloscope. 73, Don W3FPR On 1/13/2019 2:07 PM, Dave Cole (NK7Z) wrote: Hi again Scott, Thank you for your answer, but I am not being clear. Not during break in, just sitting there in receive...  If the radio is hit with an S9+ signal, how long after

Re: [Elecraft] Battery Low K3

2019-01-13 Thread Don Wilhelm
. That gives you the voltage seen inside the K3 and if you have voltage drops at the connectors for the power cable, it will be shown there. The usual setting for BAT MIN is 11 volts. You will NOT be "good to go" even if you replace the lithium 3 volt battery. 73, Don W3FPR On 1/13/2019 1:56 P

Re: [Elecraft] K3: Receiver recovery time

2019-01-13 Thread Don Wilhelm
Dave, That depends on slow or fast AGC and the setting of the AGC DCY menu parameter. Fast is very quick - just watch the S-meter to get some visual indication. 73, Don W3FPR On 1/13/2019 11:49 AM, Dave Cole (NK7Z) wrote: Hello, Anyone able to answer this question please? In the presence

Re: [Elecraft] Battery Low K3

2019-01-13 Thread Don Wilhelm
Mark, Then check the power supply voltage (Use the alternate VFB B display) and all connectors. That message has nothing to do with the RTC battery. There is no internal battery in the K3 other than the tiny RTC battery. 73, Don W3FPR On 1/13/2019 12:01 AM, Mpridesti wrote: Don It is a K3

Re: [Elecraft] Battery Low K3

2019-01-12 Thread Don Wilhelm
of the manual. Set BAT MIN for the type batteries used. The default of 10 volts is good for external Lead Acid batteries. All other types require a different setting. 73, Don W3FPR On 1/12/2019 10:40 PM, Mpridesti via Elecraft wrote: Just saw a message pop up saying Battery Low Assume

Re: [Elecraft] New DSP Idea

2019-01-12 Thread Don Wilhelm
Bill, When they are driven from the same synthesizer, they are indeed "phase locked". 73, Don W3FPR On 1/12/2019 5:59 PM, Nr4c wrote: I’m not an engineer but from the discussions here in the past, in diversity mode, the VFOs are not “phase locked” but actually driven b

Re: [Elecraft] New DSP Idea

2019-01-12 Thread Don Wilhelm
representing the two signals or the difference between them. To analyze and display the differences may be useful in a lab setting, but not of much use for quickly picking the best path for a QSO. Just my opinion. 73, Don W3FPR On 1/12/2019 5:06 PM, David Gilbert wrote: I know Wayne requested

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