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I bought this device from Amazon: DollaTek ZK-4KX CNC DC Buck Boost Converter CC CV 0.5-30V 4A Power Module Adjustable Regulated Cost ?12.99 in the UK, It's probably better to search for that

Built in GPS. Switch On for Cal /WSPR/ Digi/ beacon. Off otherwise Audio/ Speaker Additional cooling and power supply tweaks a few other things

The GPS board will fit nicely inside the standard QCX case although you will need to do some careful measuring and drilling. You also need to add a switch on the two data lines (low current gold

Ken, I don't have a QMX, I have a QCX+ and the only GPS I could run is the QLG2. 73 - Pierre - FK8IH

Sri my english - not rf choke, coaxial choke, current balun. hi

Test a rf choke near the antenna side of your coax. This solved same problem with my portable groundplane.

Hi. The QMX must be in WSPR beacon mode. Philip g7jur

What he was trying to describe is this: Some QMX units, immediately after installing the new firmware, fail to automatically restart into normal operations mode.? They remain unresponsive until you

What do you mean by this? The radio doesn't start at all, so it is hard to power down. Tried powering up with pressing button and connecting power plug, nothing - no signs of life except the pop at

Check the cables. instead the antenna, connect the dummyload behind all your cables and tuner.

Pierre, why go to all the extra cost when you could just fit a QLG3 module within the QMX+ and use the external GPS antenna? You can display GPS information on the QMX screen. 73 Ken G4apb

Perhaps you downloaded ver 0.93 instead of ver 0.93a of the app. You are describing the prior app behavior. Stan KC7XE

I watched this video and downloaded and set up the software.? The software communicates with my QMX as it is able to set the frequency.? However when I press "SYNC TIME" my QMX clock display area

Is my gate drive voltage way too high? I rewatched the NA5Y video tonight and he mentions in passing that the gate signals are 13 volts peak to peak.? The archived scope photos in the old posting by

I agree with Stan. A limited current power supply is very useful, especially when first powering on a new build. If it current limits at something over the expected current, you can usually address

10 means 10:1 1.0x is for near 1:1 Do check R520 and R522 and surrounding components, but it seems more like you have a T507 problem, a T501 problem, or a problem with your LPFs or the LPF switching

Not until the wizards of N1MM+ software development implement a QMX/QMX+ radio model that uses the QMX CAT in the way it wants to be used.

Yes, and the 'default' frequency used is the band 'Frequency center' specified in the Band Configuration.

I plan to build a QLG2 GPS Receiver Module to use it with my QCX+ I will add: - the blue LCD accessory kit; - the Customized case kit (enclosure). I guess I will have to order it with the "Front blank

I have had mine for a long time and do not know how I got along without it after they got rid of Strip-X.? I use the default tips; although other sizes are available I haven't needed them.? Very