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1. 

   HamChallenge Bot @hamchallenge

   2026-10-19

   #hamchallenge week 43 - Drain a battery with one operation

   Make as many QSOs as you can (or QRO?) and drain your battery. How many contacts did you get out of one charge? Or maybe your battery was particularly small: Ever operated on a button cell?

   https://www.hamchallenge.org/challenges/79/toots #hamradio

   #hamradio #hamchallenge