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Just finished building my QMX Midband. Everything seems to be working fine except that the output on 15m is 3dB below that on the other bands. Here is output power by band and by voltage: The scans

Got my QMX+ up and running today. The unit is configured for 12 volt operation and I have made sure that my input voltage is 12 volts or less. My battery has a nominal voltage other than 12 volts, so

so far I get - correct BAT_LEVEL value - PWR_ON pulled down when left encoder depressed no 3.3 volts present at ?LIN_REG_EN when depressing the left rotary encoder the voltage at LIN_REG_EN goes to

Thanks Hans. One other note of possible interest. When Message 2 completes, it immediately begins Message 1 with the digit "8", then sends Message 1, which in my case is my call: N7RCS. All my other

Ludwig, Thank you for the guidance & fast response! I'm going to give this a shot tonight. Best regards! ~G

Sorry, figured it out: I was in practice mode in CW, thus the P and no RF output. 73, Andreas, K6AKW

Gorden, in this document ( /g/QRPLabs/wiki/36878 ) from QRP Labs Wiki you find a description of the switch on process, about the levels of some signals and also a link to a sketch to

Does anybody know what the P at the end of the second line means? 73, Andreas, K6AKW

The wiki page QMX QMX_plus Startup ( /g/QRPLabs/wiki/36878/207889 ) has been updated by @Ludwig_DH8WN <DH8WN@...>. Compare Revisions (

The 60m band is not available in VK so similar "waste" here. Replacing it with 80m would work, receiver performance should be ok. But you would need to check the LPF as it may not have enough harmonic

Why not go for a license upgrade? <samcollins910@...> wrote:

Zoom Notes 11 July 2024 We had eight folks attend last week’s Michigan QRP Club’s Zoom meeting. Ed AB8DF Pete WK8S Tony W8CDC Stuart M0SGV Tim N7TDB Jim K8DDV Carlos TBD Casey KC9IHL The topic

Just ordered a mid band 60 - 15m As I'm just a lowly intermediate license holder and therefore not allowed on 60m it'll be an entirely wasted band. Can I resign that filter for anything else ?? Seems

I don't think the display issue is relevant to this unless you are having display troubles too. What is relevant though is that a low level signal from the internal generator used for those alignment

Sandy, Your guidance was spot on! A double press of the TUNE knob displays the Message list then a single press of the same TUNE knob produces only a single transmission of the message. This is how

Hi folks! I just completed assembly of my QMX and am eager to validate and tune it. upon applying power and usb-c I do not see a flash drive. QMX V3 device & Debian (12) Linux - lsusb shows no new

Just to add a question. There's obviously reduced flow here, or something's not right anyway, should I refrain from any sort of transmitting on 40m while it's well below 3W? I assume anything from

Up to 1.6W on 40m and 0.75W on 30m now. Resoldered and jiggled about the windings. I think next step is taking them out completely and just really tightening up the turns. The fact that doing that and

Thanks Bruce for mentioning the bad joints. For my own edification, would you be able to tell me (maybe by referencing the picture) which joints look the most problematic? I ask because I did inspect

Interesting - I can't comment on the message behavior of your rig, but I have message 1 and message 2 populated and set to an interval 4 seconds, repeat 0 (ie infinite until button 2 pressed).