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Re: QDX xmit one flash
Wayne, You stated, "I built my QDX for 9VDC and am running it with a 9VDC 2Ah wall wart power supply. "? Can you confirm that it is 2 amps and not 2 amperhours?? There is a difference as amperhours
By Evan Hand · #108285 ·
Re: QDX xmit one flash
Hi Wayne, I do not have a Windows 11 machine configured for WSJT-X operation.? They are all Windows 10. I used my Rev1 QDX today to see if I could find similar issues to what you are reporting.? I
By Evan Hand · #108284 ·
Re: QDX xmit one flash
So, one other thing I checked based on other things I looked at in the forums related to my issue, is my input voltage. I built my QDX for 9VDC and am running it with a 9VDC 2Ah wall wart power
By Wayne KB4DSF · #108283 ·
Re: QDX xmit one flash
Hey, Cliff. I'm not sure how to check that in Windows, either; although, everything I an see indicates the QDX soundcard is assigned correctly. Wayne
By Wayne KB4DSF · #108282 ·
Re: QDX xmit one flash
Hey, Alan. Maybe? Where do I find that in win11? Wayne
By Wayne KB4DSF · #108281 ·
Re: QDX xmit one flash
Roger, thanks for everything. I really do appreciate your trying. Wayne
By Wayne KB4DSF · #108280 ·
QMX - What are my options?
I have been trying to get somewhere troubleshooting why my 12v QMX will not boot or show up as a USB device. I have checked the power supply boards, which seem to be working, and have followed all the
By ryanferreri@... · #108279 ·
Re: QDX xmit one flash
Wayne Not microphone privacy? 73 Alan G4ZFQ
By Alan G4ZFQ · #108278 ·
Re: accurate time source
Dimension 4 is a reliable time sync software. http://www.thinkman.com/dimension4/ 73 Barb WB2CBA
By Barb WB2CBA · #108277 ·
Blue screen of death U3s
All, The other week my U3s stopped working, it coincided with a nearby thunderstorm. I had been tx'ing wspr and qrss at the time, noticed spots had ceased, checked U3s and just a blank blue screen,
By M0RON · #108276 ·
Re: QDX xmit one flash
Wayne, I'm not a Windows guy, but in Linux sometimes the QDX soundcard can get assigned to the wrong device, such as HDMI or something of the sort and it has to be corrected to get it to work with
By Cliff · #108275 ·
Re: QDX xmit one flash
Ok. Sorry Wayne. I am out of ideas, Windows is not my scene. Maybe someone else can help. Roger ?Get BlueMail for Android ?
By Roger Hill · #108274 ·
Re: QDX xmit one flash
Maybe. I did check them all and they all ohmed out correctly. So, during my troubleshooting, I came across this error again: I'm still thinking this is either a sound card problem (I know there isn't
By Wayne KB4DSF · #108273 ·
Re: QRP antenna tuner?
I cannot recommend the ATU-100 Chinese look alike after having built one. If left in the automatic mode, it goes through a re-tuning cycle EVERY time you go into transmit mode even if you do not
By Stephen KO4CVU · #108272 ·
Re: QMX AGC... any progress?
I posted a couple days ago about a super simple albeit kludged option involving some diodes to limit the voltage on the headphone cable.? Might be worth trying.
By N1EDC · #108271 ·
Re: QMX power on issue
Come on Bruce, get it right.? LOL..? I took a jumper from the RF connector shell and touched the ground connection on the power connector and it fired up.? I normally fill the holes up on the power
By Ed Pflueger-AB4IQ <ab4iq@...> · #108270 ·
Re: QDX xmit one flash
Ok. So no output at the dummy load. I would now start working backwards from the BNC socket centre pin,through the LPFs to the PA, checking for continuity. QDX turned off, ok! I suspect you have a
By Roger Hill · #108269 ·
Re: QDX xmit one flash
Correct, pulsing. I didn't hold it the keys down until you suggested that, lol. OK, my dummy load does have a power meter attached. It's analog and the needles do not move at all. I'm not sure about
By Wayne KB4DSF · #108268 ·
Re: #QMX Tweeking QMX output power #qmx
If you review the as designed turns and inductance and compare with measured or even calculated inductance, you'll see why L513 turns need to be tight together or add one turn and spread them. I mod
By mike/w1mt · #108267 ·
Re: QMX and FT8CN audio issue - strange issue
Did anyone already find a solution for the problem with FT8CN? Sometimes the first transmission works, often even not the first one. The QMX just shows two Dots, as a sign of not enough signal and no
By Alex, DK4FT · #108266 ·