Hi Now that I've actually managed at last to place an order for a QDX, (whey hey, run up the flag, declare a public holiday, rejoice !!!!), thoughts now turn to the practilities, in this instance, the

Okay, I am a bit of a tinkerer with Arduinos, Pis and now Raspberry Picos. I want to use the GPS serial for many things. I am planning on builing a 5 power distribution block with LEDs to let me know

Does anyone have a good source for replacement BS170 MOSFETs at a reasonable price? They appear to be one of the items that are being classified as unobtainium these days. Joshua

Five days parcel watching from Turkey to the UK ended with a touching handover ceremony between myself and the Fedex Express guy. The miniature size of the QDX package took me by surprise. The enclosu

Hi all I wanted to make a short YouTube video about my winning 2N2222 challenge entry at FDIM... does anyone have any photos or videos of the event that they could send me? I seem to have taken only a

Well, I'm calling my 0.002 Inch diameter (44 guage)+ Dyneema fishing line antenna a failure and moving on to bigger wire. I got everything stretched out on the floor, got the wire cemented to the line

When installing the LP filter parts, after installing the toroids you can check for continuity by checking for 0 ohms between the band end of the corresponding diodes. These are diode pairs D1-D4, D2-

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

Does anyone have a recommendation for bnc connectors? Ideally solder on type, or any type which you have found to be reliable. I have a number of twist on and screw on types but don't trust them. Mous

Hello, the AGC Module is out of stock and so I would build it on the expansion board or on small stripboard. But I don't know what's the value of resistor R204 for the switching circuit? Can somebody

K6JTH was kind enough to send me a sample of his 3D design for a QCX-mini stand and I’m impressed. Good design combines the simple with the versatile and this is both. Hans might want to look into off

So I don't have my QDX yet, but I'm eagerly anticipating and planning. I'm a POTA guy, and my primary antenna is an EFHW compromise antenna. What tuners are you using? I'm looking at the MAT-705 since

I am building the LPF's for 40, 20 and 15 meters and I just received the Rev 2 boards but I am puzzled by the markings on the PCB which show two (2) positions for each of the parallel caps (see attach

Hi Folks, Next monday May 30th is the QCX Challenge, on the regular HF bands. See all info here: https://www.qrp-labs.com/party.html As usual, I will only be in the 13:00Z session, on 20m and 40m. Nex

Good morning Hans. I emailed the support site on the web, but have received no answer. I am missing several parts for the 20M QCX+ kit. I received 6 BS170 transistors, but no MPS751. I went ahead and

Anyone know if there is anyone down Australia or New Zealand way that has recently launched an ocean drifter transmitting on 40m? cheers Graham ve3gtc

I received FEDX tracking last week. My package from Turkey made it to Paris without any issue. I live in Northern CA. I just received an update from FED X this morning stating there is an operational

It looks like Firefox/Windows-10 INSISTS on doing only https requests and when I use the http protocol, the browser (I think) switches to https and I get a correct page with the index on the left, but

I just received my 3 low pass filter kits which I am assuming are the latest Rev2 as marked on the PCB, which have 2 capacitor positions for each cap label (outlined in red in the pic below) However,

Until last week, I had never heard of the QDX. I "discovered" it while planning my Hamvention trip (I've previously built an Ultimate 3S). I raced to the QRP Labs booth as soon as the gate opened Frid