(tr)uSDX Forum

Hello OM Chris,

you are right, I had some calculation errors there. I added the calculated values to my first post, so now it does not look to bad.

Thanks for the hint,
Karsten

Hi, I bought the (tr)uSDX as a kit from one of the recommended sellers and build it with the T2 mod (3:21, 0.4mm wire). When testing with 12V and 5V (USB) and a dummy load, the efficiency stays around 60% on all bands (80m, 60m, 40m, 30m, 20m). What I tested so far (focusing on 80m): 1. Checking wit...