Everybody building the + has dealt with this. Grad a piece of sand paper, place it on the bench, grad the nut with fingers (or pliers) and sand away on in 2 of the 6 sides to the nut. It works just

Hans, you are a genius! I own three QCX Classics (30, 20, and a recent 80 build). I love them all! I have been contemplating a QCX+ but the mini looks so cool, that my next unit will be a mini! One

Got my clock yesterday. Thanks, Hans. Joe, KC4ONU

I really don't know why so many builders seem to have a problem finding out how much wire is needed when winding a toroid. A simple bit of maths will give you the length required.

I've been using "mini Ring Core Calculator" (mRCC) software by DL5SWB for toroid winding info. It also has the reverse, turns-to-inductance, mode which then can be plugged into its main calculator to

I took one turn off L1, 2 and 3 but it made absolutely no difference to the RF output. I don't think I want to take another turn off as I don't like too much rework on the pcb. David G4DMG

I have checked this and when a slot transmission ends all BPF select lines go high and remain high until the start of the next slot in the frame. Thanks for the thought. Phil G8IOA

Yes! Better than a smart watch, a QRP watch! 73 Alan G4ZFQ

When can we pre-order this new postage stamp QRP radio?

It feeds the backlight. And, indeed you would expect about that dissipation. Seems a lot but must be normal. 73 Alan G4ZFQ

Hi everyone. I find that R48 (270 ohms) on the readout display board is quite hot. With a 13.8v source, I measure 8.57v across the resistor. This is 0.27 watts dissipation. That is rather marginal for

I'll buy it. PayPal address?

I actually used this... https://toroids.info/ took me awhile to find it again. But it’s pretty handy. Just put in the # of turns and press calculate

On the paddle conversation, I purchased the DCP paddles from American Morse. It went great with my QCX build... > On Sep 11, 2020, at 5:03 PM, namerati@... wrote: > > On Fri, Sep 11, 2020

Just to be pedantic and I appreciate that English is not everyone's first language ( and this will result in a lot of comments to give me something to read now we are in a lockdown

Thanks Ronald, Actually after winding L1, 2 and 3 they measured about 10% high on my Peak LCR45 so I took a turn off, they were still over the nominal inductance. I will read Hans' troubleshooting

Hi Hans, As for the postage stamp sized "QCX Pico" that you just "announced" (I claim dibs on the first production unit!), I only have one word to say in regards to how to view such a tiny display:

I agree, especially as the Pico Paddles are no longer in production!

Edge mount would be quite alright, though the edge mount SMA connectors I have used were designed for slightly thinner microwave boards and did not fit standard FR4. I also notice that you managed to

Hans, we have no mountains in Florida but I would love to take one to the beach, Dave. N2SN