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Do you first attach USB and then turn on QDX BEFORE starting fldigi? If you start fldigi first, the QDX audio devices are not present, so it can't find the port audio you saved. Stan KC7XE

This is my Flrig and Fldigi window.

did a lot FT8 and FT4 last weeks without any issues..... the QMX is the greatest very little rig ever .... for sure in cw too because of the great filters.... really a dream.... thanks Hans and team

Thanks again Oleh, it works nearly well now with the right RX level attenuator set to ZERO. I had searched in the manuals (more than 1,000 pages!) of Fldigi and could not imagine that to have full

Hi, Thank you all for your answers! * Rob: your RF filter sweep looks really similar to mine! Thank you for sharing it, as I really wondered if I did something wrong. * Evan: I built the 9 V version

Allright, I've checked my connector, it's a 2.1mm. I'll check what is fried on the psu boards with the help of this wiki page : /g/QRPLabs/wiki/37128 I hope I didn't break anything

I often use TeraTerm instead of PuTTY, for some people it is more intuitive. It is a free download for Windows. Remember in either of these, that you don't need to set up SSH or TCP/IP options for use

hi, PuTTY is mostly self explained... I was using it since around a year now without any knowledge about terminal since then ... vy 73 de Udo DF4BJ

I may have misunderstood this technically, but I think this principle is frequently used in professional mobile transmitters, eg. cell phones. However, the name used is also different, it's often

And if you need one, I gotta bunch! I can mail you one Wednesday if you tell me today or tomorrow. -- 73 Karl KI4ZUQ

Assuming you're asking about the Windows SSH client - here's the "Horse's Mouth": https://www.ssh.com/academy/ssh/putty/windows And, if you're after a quicky getting started video, here's but one of

At the risk of exposing my non computer skills! Is there a “Putty for Dummies” instruction anywhere. I’m not having any issues with the kits but would like to have a look see. Thanks Dave

Regarding the toroid enamel removal: I have a solder pot and I'm going to attempt tinning the leads in it which I am hoping will achieve sufficient burn-off of the enamel. Oh, and not shown in photo

Lots of good tips already. I struggled a bit with effective enamel removal on my first and second kits. The new kits exclusively use the thinner enamel wire which is much easier to work with, but

Hi Will I also found this article on the ARRL website. It is bit beyond my ability The article is about Controlled Envelope SSB (CESSB). It's a different topic to the EER method of SSB

I also found this article on the ARRL website. It is bit beyond my ability but the group might find it

Hi Pete QMX+ stock in the website was incorrectly at zero because I had failed to adjust it for the recent new batch of 1000 new QMX+ kits. I've updated it. So you can order now. 73 Hans

The wiki page QMX QMX_plus SSB ( /g/QRPLabs/wiki/38292/216303 ) has been updated by @Ludwig_DH8WN <DH8WN@...>. Compare Revisions (

Reinhard, I think you need C522. It's important for harmonic supression. Please check if C522 is hidden somewhere. I read about a part was hidden in the hole of a rotary knob. If it's realy not in

Describing the signal from a microphone as baseband SSB is an interesting take. Synthesizing SSB amplitude and frequency/phase from baseband audio is different than EER implementations of the