I've recently become interested in Digital Modes on 2 meters. (Trying to communicate with my son 8 miles away .. HF NVIS has been problematic). I tried to find some cheap SSB 2 meter rigs to test the

What is the least expensive and most compact/lightest implementation of a workable QDX interface to something other than a 14" laptop ? Like a 5" LCD, Rasberry Pi, and Battery Pack ? A small notebook

Hi All, I've built LPF switches for 80/40/30/17/12m and I installed them on QRPLabs relay switch board. I did some measurements with my NanoVNA. First of all, I measured filters one by one using PH2LB

Hey, GB Hoyt here, KG4GVL, I received a QCX last year, and have been slowly putting it together. This week I succeeded! Last night I successfully went through the four alignment steps in the manual, a

I just opened my hat and cup. These are both really nice. The hat is very lightweight and will be great for summer (to protect my skull solar collector, ie: bald spot). Paid for with Mastercard points

2019 73 de ai4ot

I started up my QDX version 3 and was able to receive FT8 using WSJTX on a Raspberry Pi 4. When I try to transmit, I get an error: Rig Failure Hamlib error: IO error port_open: serial_open(/dev/ttyACM

Off to Hamvention in a few days: Ordered one of the last available. Question: I want to build it for the 630M band. That means not installing all of the great engineering Analog RF stuff that he has p

Hi All, Next Monday, May 16 , is the next QCX WARC Party. See https://www.qrp-labs.com/qcxmini/qcxwarc.html for all information. Join the discord page in the #qrp-operation channel to post your qrg or

New to these incredible kits and the QRP LABS a learning experience. Built a clock kit with GPS and it worked so good my bride let me put it in our camper. Anyway…. Bought a U4B version 002 firmware a

I just ordered the QDX digital transceiver. Since I'm now living in an apartment, QRP seems the best route to still get on the air, and I want to work on my CW after having it rust a bit. The QCX mini

I have a mWattmeter but cannot find the docs. Any help will be appreciated. thanks, Paul K0ZYV

I am new to the forum and have a question regarding SWR limits and the QDX. I have been told by a friend that short excursions into unmatched loads will damage the output transistors. I have an ELECRA

I'm a great believer in "borrowing code" Can I cut and paste into the u4 text editor R

Not sure what I'm doing wrong, but I'm unable to TX anything with WSPR using my new U4B. The TELE command works fine and I can confirm radiated output on a nearby KiwiSDR, but when I use WSPR I see th

Hi, I would like to see what other owners of the u4b tracker try to program into their devices. Is it possible to share files, maybe in the files section ? Maybe a separate folder can be created ? Tha

Hi Hans, Any delivery time estimate for batch #3 delivery? I was on the over-ordering list from batch #2. Kinds regards and 73

I received my shipping notification yesterday, and the QDX arrived today via USPS Priority mail. This is the fastest I have ever received anything from QRP Labs! Are they being kitted and shipped from

Hi all The QDX boards arrived here yesterday lunchtime. I've been building and checking and I'm happy. *So let's open sales, 1800Z, Sunday 1st May 2022! * *http://shop.qrp-labs.com/qdx <http://shop.qr

Ordered a 0.47F cap from Newark Electronics. I've not used these before. Do the arrows point to the negative side? (^) Tnx, Chuck AC7GZ z