|
Winlink and VARA HF setup for QMX
4
I would be grateful if smb can explain in detail what I need to do send e-mails threw QMX. I have no experience with Winlink and limited experience with FT8 data transfer. I have tablet PC (Win 8) with VARA HF and Winlink Express installed and I have QMX. What I need to do to set all these properly?
|
|
My QMX+ (Rev.3, 12V, FW 003) complains about low voltage at the finals. See picture: 9.7-9.8V in red. I checked the voltages at C506 and C529 and they show the expected divider ratio of ~5.7:1. But the actual voltage at C506 is ~11V (12V regulated power supply). May be this is one of the reasons for the SSB calibration problems? Gottfried oe1ira
|
|
QMX+ Firmware laden
7
cq Nun habe ich den QMX schon einige Tage. Bisher ist es mir nicht gelungen, die Firmware zu laden. Im Detail: Der QMX soll auf einem Mini-PC ZOTAC f¨¹r Portable Eins?tze installiert werden System: Win7 32Bit. Der QRP-Labs QMX-Transceiver wird im Ger?te-Manager mit Fehlercode 28 und als COM1. erkannt, erscheint aber nicht als Wechseldatentr?ger im Explorer Code 28: Treiber fehlt! Nun habe ich die QMX Installation auf dem Desktop Win10/64 versucht. Der QRP-Labs QMX wird als ?Serielles USB-Ger?t¡° mit COM3 und bei ?Audio¡° als QMX-Transceiver im Ger?te-Manager erkannt, erscheint aber nicht als Wechseldatentr?ger im Explorer : Was kann ich tun, um die Firmware zu laden? =================================================================================================================== Google ?bersetzung: cq I've had the QMX for a few days now. So far, I haven't been able to load the firmware. In detail: The QMX is to be installed on a ZOTAC mini-PC for portable use. System: Win7 32-bit. The QRP-Labs QMX transceiver is recognized in the Device Manager with error code 28 and as COM1. but it doesn't appear as a removable drive in Explorer. Code 28: Driver missing! Now I've tried installing the QMX on the Win10/64 desktop. The QRP-Labs QMX is recognized as a "Serial USB Device" with COM3 and under "Audio" as a QMX transceiver in the Device Manager, but it doesn't appear as a removable drive in Explorer. What can I do to load the firmware?
|
|
SORRY, Life got in the way. I had to change the time. It is now 15:00 EDT / 19:00 UTC Ed AB8DF On 4/9/2025 11:39 AM, AB8DF Ed Kwik via groups.io wrote: On 4/08/25 I had a CW practice / rag chew session on 30 meters. I worked three stations: Date / Time Call Bnd Frequency Mode Power Rec Snt Name SPC# Comments Off 4/8/2025 14:14 W9TO 30 10.111 CW 50 559 559 Tom OH K3 at 50 watts 100 ft sloper doublet 14:28 4/8/2025 13:44 KC9HEK 30 10.112 CW 60 599 569 Brian NY K3 at 60 watts 100 ft sloper doublet 14:04 4/8/2025 12:54 NM1I 30 10.109 CW 50 579 559 Butch MA K3 at 50 watts 100 ft sloper doublet 13:37 Conditions were OK. 30 meters seemed to be better than what I have been experiencing on 20 . SSN = 167, SFI = 162, A = 13, K = 2. My next CW practice session will be April 11 at 09:00 EDT / 13:00 UTC on 30 meters. Anyone and everyone is welcome. This practice is intended for operators who are new to CW or they need some practice. IT DOES NOT MATTER HOW POOR YOUR CW IS. Mistakes are OK. Poor fists are OK. Slow speed is OK. Really slow speed is OK. This practice is meant for you to improve your CW. I will do my best to adjust to your skill level. Operate at any power level. If several stations show up, I will operate as a round-table control station. I will do it as a round-table so everyone gets a chance to transmit. Please listen to my directions. Details: Date - April 11 2025 Time - 09:00 EDT 13:00 UTC Band - 30 Meters How to find me - I will find a clear frequency and call CQ. Go to the Reverse Beacon Network and search for my call sign AB8DF. That will tell you what frequency I am on. Tune your station to that frequency and if you hear me give me a call. If there is a QSO in progress, please wait for a break in the action. Then send your callsign. If I hear you, I will invite you to join the QSO and start a round-table QSO. Reply to this email if you have questions. IT DOES NOT MATTER HOW POOR CW IS Ed AB8DF
|
|
QRP Labs FDIM/Hamvention
Will QRP Labs be seller the QMX+ kit at FDIM and Hamvention? Looking to acquire the following: QMX+ 160-6m, 5W multi-mode transceiver Assembled or Kit: Kit Optional Enclosure: Including enclosure Add kits: QLG3 GPS/GNSS Receiver Add kits: 2.1mm power plug Joe N7QPP
|
|
Winding toroids
I'm old... On Friday, April 11, 2025 at 03:34:41 PM EDT, Karl via groups.io <karlshumaker@...> wrote: So, what is your problem? Har, har! https://www.facebook.com/share/r/164oFDnJr6/ -- 73 Karl KI4ZUQ
|
|
QMX+ PC software?
4
Other than WSJT-x, what do folks use for waterfall display and CAT control under Windows? -- Brent DeWitt, AB1LF Milford, MA
|
|
Just finished my QMX+ and really enjoyed the build. Built a QDX a couple of years ago and it has been great. Powered up at 9 volts and no smoke! Draws about 100 ma and audio out can be controlled and tune appears to work and mode / band does something. Connecting an antenna increases the noise so it appears the receiver is working. But nothing appears on the display except for the backlight. Turned the pot from stop to stop with no results. I¡¯m going to touch up all 16 of the display header pins. What a bad place for a soon to be 83 year old duffer to be soldering. Why couldn¡¯t that bave been added to the display board before mounting? Any other thots? 72/73 Jim w0nkn
|
|
On 4/11/25 I had a CW practice / rag chew session on 30 meters. I worked five stations: Date / TimeCallBndFrequencyModePowerRecSntSPC#NameCommentsOff4/11/2025 14:35AB2EW3010.108CW100579559NYSteveK3 at 100 watts 100 ft sloper doublet15:044/11/2025 14:17VE3UXJ3010.108CW100569559CanadaCraigK3 at 100 watts 100 ft sloper doublet14:224/11/2025 13:26W4SYV3010.108CW100579449FLRichK3 at 100 watts 100 ft sloper doublet14:054/11/2025 13:11K1PUG3010.108CW100559449CTHankK3 at 100 watts 100 ft sloper doublet13:224/11/2025 12:59WB4DKF3010.108CW100349229FLDickK3 at 100 watts 100 ft sloper doublet13:09 Conditions were OK. SSN = 112, SFI = 153, A = 17, K = 2. My next CW practice session will be April 12 at 20:00 EDT / 00:00 UTC on 30 meters. Anyone and everyone is welcome. This practice is intended for operators who are new to CW or they need some practice. IT DOES NOT MATTER HOW POOR YOUR CW IS. Mistakes are OK. Poor fists are OK. Slow speed is OK. Really slow speed is OK. This practice is meant for you to improve your CW. I will do my best to adjust to your skill level. Operate at any power level. If several stations show up, I will operate as a round-table control station. I will do it as a round-table so everyone gets a chance to transmit. Please listen to my directions. Details: Date - April 12 2025 Time - 20:00 EDT 00:00 UTC Band - 30 Meters How to find me - I will find a clear frequency and call CQ. Go to the Reverse Beacon Network and search for my call sign AB8DF. That will tell you what frequency I am on. Tune your station to that frequency and if you hear me give me a call. If there is a QSO in progress, please wait for a break in the action. Then send your callsign. If I hear you, I will invite you to join the QSO and start a round-table QSO. Reply to this email if you have questions. IT DOES NOT MATTER HOW POOR CW IS Ed AB8DF _._,_._,_
|
|
Hi, I've just finished my QMX+ rev.3 (firmware 1_00_027). Everything seems to be working correctly, except for the SWR and PWR does not show. They don't appear on the LCD, even though I have them enabled ON in the setup. The LCD display is working properly, showing the battery icon and clock, frequency, etc. Any advice would be welcome Thank you so much! 73 Miguel
|
|
QMX display unususal problem
8
#qmx
#dispay
Hi All, My mid band QMX Rev.2 developed display problem after 4-5 months of good working. Firmware 1_000_027 I build 12V version. After switching on all seems ok and works, but after 20-30sec display becomes corrupted. Initially it is just a few letters but soon after that all text is corrupted and gibberish. When I switch off and on top row is just black boxes. If I leave radio switched off and detached from battery for day or so and switch it on problem repeats itself again. I mean first it works and then display problems start. I done this couple of times now and each time Initially it works and then after display stops to play a game. Connecting to computer through USB works and all diagnostics and LPF/SWR/etc... tests do not show anything unusual. Any ideas what's going on? I am not that knowledgeable to sort it out myself. Can you direct me what else I should check? --------------------------------- 73 de Marek SP9TKW
|
|
QMX+ new asssembled powers on but makes 'chuffing' sound on receive on CW?
3
Hello i have received my assembled QMX+ a few days ago and go the power cabled assembled feeding this unit with 11.80v of dc. (12v model) I can putty into it and see the hardware tests pass, the data sheet shows all good on all bands. It powers up and down fine. I have not xmited w it yet. I can viewed the manual that i downloaded and printed out for vx.0027 of my software Still not sure of how to operate it. When i turned on practice mode or keyed i get a continuous series of dahs all the time. Even with key and cable disconnected. ???? If i put the unit in vfo mode it seems to go away. Volume., are and band changes seem ok. I got thsi to stop but not sure how?? on any band cw i get a continuous audio chuffing sound like its sampling or some such. I can use some help or guidance on this and i am not transmitiing until i get this sorted out. Can i or did i change a settting in the config when i puttyed in? Maybe its my ignorance of how it operates?? Thanks in advance Charlie k2cmc -- Charlie C. - K2CMC LICW/SKCC/NAQCC
|
|
Tariffs?
37
Will USA tariff laws affect the import pricing of Hans¡¯ great radios/kits into the USA?
|
|
QMX+ MCU (? for Hans)
This type of request needs to be submitted to the support desk at qrp-labs, not this user-supported forum. Stan KC7XE
|
|
QMX+ with Elecraft KXPA100 amp..;-)
Ok,,,, just for fun I thought I would try my QMX+ with my KXPA100 amp and *it works great*... puts out about 50 watts with QMX+ driving it. I made my first SSB contact in QRP mode on 20m the other day but since the bands are not that great and I have this amp normally hooked up to my KX3 I thought I would see how hard it was to get working... EASY.. just set the PTT on each band to "grounded" and I have a TRS-to-RCA breakout cable (not sure I have that but...) once I figured out which RCA plug was which, I just plugged it into the KXPA100 and bingo! Plus since the KXPA100 has an ATU built in I can use that as my tuner ! Pretty cool...just wanted to toss that out there in case anybody else was thinking "QRO".... Of course.. NOT a cost-effective solution...;-) Mark
|
|
Updated Wiki Page: QMX QMX_plus debugging environment
#wiki-notice
The wiki page QMX QMX_plus debugging environment has been updated by @Ludwig_DH8WN <DH8WN@...>. Compare Revisions
|
|
QMX+ issues on 1st operation??
#12v
#anomaly
Hello i have received my assembled QMX+ a few days ago and go the power cabled assembled feeding this unit with 11.80v of dc. (12v model) I can putty into it and see the hardware tests pass, the data sheet shows all good on all bands. It powers up and down fine. I have not xmited w it yet. I can viewed the manual that i downloaded and printed out for vx.0027 of my software Still not sure of how to operate it. When i turned on practice mode or keyed i get a continuous series of dahs all the time. Even with key and cable disconnected. ???? If i put the unit in vfo mode it seems to go away. Volume., are and band changes seem ok. I got thsi to stop but not sure how?? on any band cw i get a continuous audio chuffing sound like its sampling or some such. I can use some help or guidance on this and i am not transmitiing until i get this sorted out. Can i or did i change a settting in the config when i puttyed in? Maybe its my ignorance of how it operates?? Thanks in advance Charlie k2cmc -- Charlie C. - K2CMC LICW/SKCC/NAQCC
|
|
QMX+ T507 winding direction?
7
In the QMX+ does the polarity of the 10-turn windings on T507 (part of the Fwd/Ref power detector) matter? In the assembly manual the photo looks like they're wound to be mirror images of each other. I wound mine so the turns advance clockwise on both sides. Will this cause a problem with RF power measurement? Or worse yet, cause a serious impedance mismatch for the lowpass filters and finals?
|
|
Hand Mics for QMX SSB ? thank you all for the input.
Id like to thank everyone that took the time to answer my question regarding the QRP Guys mic. Larry NA0F
|
|
Too Much Power
8
#qrp
#cw
#qmx
The QMX mid-bander (60m thru 15m) is one of my primary radios for portable QRP operations for nearly a year now. The ¡°problem¡± is that it puts out too much power in CW mode. Here are the numbers using a fully charged 12v battery into a 50 Ohm dummy load measured with an external watt meter: 60m - 6.1W 40m - 5.3W 30m - 5.1W 20m - 5.6W 17m - 4.5W 15m - 6.5W QMX Firmware is 1.00.026 Question; with the amplitude modulation capability that exists to provide SSB, can the CW mode be enhanced with per band configurations that enable trimming the power down to 5.0W for ¡°by-the-book¡± QRP and to also lessen any risk to the hardware resulting from power levels that exceed 5 watts. I can also see a use case for an easily accessible CW power level ¡°knob¡± for running QRPp without fiddling with the supply voltage. 72, Matt
|
Image Name
Sat 8:39am
Sat 8:39am