开云体育

ctrl + shift + ? for shortcuts
© 2025 开云体育
Date
Re: Qmx not startup.
This means you have a strong short on your VCC (5V) supply.? Something has failed internally.? If you are lucky, it is just a component on the SMPS board.? Some potential shorts happen due to the
By Stan Dye · #136849 ·
Re: QMX POTA Support...
On Thu, Jan 9, 2025 at 10:02 AM, Len wrote: Most? know of that hike the AT go for minimum weight as basic supplies food, and, water, and shelter take precedence. SOTA, IOTA, you have to carry in
By ajparent1/kb1gmx · #136848 ·
Re: Qmx+ 3D printed case
Holiday season and family time slowed things a bit but i was able to finish speaker enclosure to acomaccompanie the main case for my qmx+. Amplifier module is TDA2030 and speaker is from old Compaq
By Ivica - YU1QRP · #136847 ·
Re: New silicone enclosure feet
Hi John, all QRP Labs shipping has always been charged at - as close as I am able to estimate - actual cost. FedEx shipping for 1 gram is the same as for 500 grams. It goes in 0.5kg increments. Note
By Hans Summers · #136846 ·
Re: New QMX+ build not powering up/accepting new firmware
Do you have a DMM or other method of measuring the Voltage and Current from your battery? The voltage and current before you press power-on, while you are pressing it, and after you release it are
By Stan Dye · #136845 ·
Re: QMX POTA Support...
3x18650 cell pack. I use 3200mAH ones. homebuilt 40-10m doublet antenna fed with 300 ohm line something like the EMTECH ZM-2 QRP tuner
By Larry VE7EA · #136844 ·
Re: Ultimate 3S reciever question
Now,? does one need 2 of the 6 band relays to be able to switch bpf and lpfs together? or can only one or the other be controlled in operation? -- regards, Bryan, N0LUF
By Bryan Curl · #136843 ·
Re: QMX POTA Support...
Go to YouTube. Search on ham radio sota. Spend hours watching. Lots of good stuff Ed AB8DF
By Ed Kwik · #136842 ·
Re: Ultimate 3S reciever question
Should work fine Bryan.? I have been very impressed by the receive module.? I am currently using it with no front end filtering for receiving wspr and FT8 with no problems. I am using an auduino
By Ian Gray · #136841 ·
Re: Ultimate 3S reciever question
Ian, Thanks.? I run several qrss receivers here, so I'm familiar with how it's done in basic terms. I was planning on letting the U3S do its TX thing and use the receiver into wsjt-x for wspr decode,
By Bryan Curl · #136840 ·
Re: Dead Radio Repair by W1NC-- A Detailed Expert Case Study
I'm in awe, we all owe Jeff W1NC big time. Without him to back up our debug efforts, buying a QMX would be much riskier Reading how he went about this is instructive. Here's some other debug notes
By Jerry Gaffke · #136839 ·
QMX POTA Support...
Firstly...apologies to all for such a newbie question, but I only just ordered a QMX and am just now learning CW :) I was hoping to put together a rig for POTA while doing AT section hikes and was
By Len · #136838 ·
Re: These cursed little pwr supply boards...QMX
Thanks Karl--and others-- who replied...I will check the wiki. I have played around with a lot of the qrp labs stuff...its great quality and never an issue. Just a bad run of luck lately is all.
By Scott VY1CO · #136837 ·
Re: New silicone enclosure feet
Good Point. I forgot about that. Can’t just put it in an envelope. John Sent: Thursday, January 9, 2025 11:28 AM To: [email protected] Subject: Re: [QRPLabs] New silicone enclosure
By John Saari · #136836 ·
Re: Ultimate 3S reciever question
Hi Bryan, The U3S is a stand alone transmitter only in that it does not need a computer to generate the wspr signals.? However to receive and decode wspr signals you will need a separate receiver,
By Ian Gray · #136835 ·
Re: question 50 watts amp
Hello, Hans, I am using the 50W QCX PA with my QMX+ quite successfully. It works fine. There are some things that I am strictly sticking with when using this combination. 1. I am using a +5V PTT so I
By Bojan Naglic · #136834 ·
Re: Best QMX AGC settings?
Hi Hans, No, I did not try the other settings. I have read over the descriptions of what they do, and not knowing the architecture, I can't relate the settings to the problem I am seeing. I'm an
By Chuck Harris · #136833 ·
Dead Radio Repair by W1NC-- A Detailed Expert Case Study
To follow up on a post praising Jeff Moore's (W1NC) revival of my dead QMX+, I wanted to share, with his permission, part of Jeff's email to me detailing the steps he took to convert my electronic
By Bill Jobes · #136832 ·
Re: New silicone enclosure feet
I mean, Turkey to Georgia (state, not country) is pretty far. I don't think they do Forever Stamps over there...
By Michael N6MST · #136831 ·
Re: Best QMX AGC settings?
QMX Manual G4EDG Ron Other K7VIQ KL7MJ W5NR WA3UQV W2DLC Threshold 8 4 7 7 8 4 7 12 8 Slope 80 50 95 60 80 80 60 80 65 Noise 10 0 5 5 10 10 5 10 9 Hang 80 2 50 30 80 30 30 80 55 Smooth 50 0 99 50 50
By Petr Ourednik · #136830 ·