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Interesting, I tune my Doublet using another transceiver running 10 Watts or so, then transfer over to the QDX, I share your concern tuning up at 5 Watts using the QDX's PA, if you have a sensitive

...not sure I can be up at 0300...x'ing ma fingers there might be one left by 0530 (my time) Cheers Scott JS6UEY

I've been using with success end fed antennas on 40 m and 20 m for portable operations with a FT-818. One end of the wire launched on a tree as high as possible (or suspended to the tip of a 10 m

I forgot to mention: If you build this, leave the diode leads long to help with cooling. Also consider using a capacitor at the output of the switch (as large a value as will fit in the enclosure, at

My problem was keeping the QDX output power low during antenna tuning.. I didn't want to expose either the external amplifier (when connected) or the QDX PA transistors (when "barefoot") to ridiculous

Hi all I don't have a technical way to enforce one per customer. Checking each order to make sure they hadn't ordered in batch 1, and contacting them if they had to ask why, would be an excessively

Fairness on limited batch would be 1 per customer and no reordering from batch 1 unless they return a smoked rev 1 unit. Best Regards, Jonathan Webber +61473755965

I've not heard much about the 39:1 variety.? The 49:1 version works great, though.

I think it would be a good idea to limit ordering to one per customer with this small batch.? It would be nice if those who did receive one of the first batch QDX's would hold off ordering from this

I'd recommend a dipole. If you have 65-70 ft of that 18 gauge wire, you can use that. Dacron cord will do fine for support line. Electric fence insulators will probably be able to be used as end

I'm wondering, is there any limitations on these? One per customer, or people who didn't get one in the first round? They'll probably be gone in a flash!

addendum to original post.? When I power up this VFO/gen always shows reset...... then done!? Then it goes to the frequency screen! syd

I just got back to working on this thing. Everything but the LPF band switching relay kit is installed. When I power it up without the relay kit installed, I get the initial QRPLabs start up screen

Or use the same method that is used for vanity callsigns - a lottery. -- Julian, N4JO.

...or dig into your junkbox and put a <= 28k8 bps dial-up modem between the webshop server and "the Internet" to ease the burden on the server :) Much cheaper than replacing the server HW

Sell them Fight Club style! Oh never mind.. We don't talk about that, do we?

I say sell them in batches of 10, spaced out evenly over the course of a week, so that the server has a fighting chance :D :D :D -- Ryan Flowers - W7RLF MiscDotGeek - QRP and More (Website) (

This is a great, rugged end fed that includes the radiating wire (even though you already have some) for about

There should be a betting game on how long it will take to sell out. I say ~6 minutes :)? Great work on the updates btw!

100% kidding, Shawn.? I have brass laying all over my office.? I've used shells as pry bars, screwdrivers, and likely as a hole punch too, but mostly as fidgety widgets while I am on work