HamChallenge Bot

#hamchallenge week 20 - Build the cheapest antenna you can and make a QSO with it

What antenna did you build? How much did it cost? What was your QSO (band, mode, power, RST)? Be competitive https://www.hamchallenge.org/challenges/38/toots #hamradio

52 Week Ham Radio Challenge 2026

52 weeks, 52 challenges. The #hamchallenge is meant to inspire you to extend your horizon in amateur radio by weekly challenges that touch all aspects of ham radio.

May 11 at 9:34amWeb
Show threadLieven - DF1CNMay 15
@hamchallenge does modifying an existing antenna to support other bands count?
Show threadHamChallenge BotMay 16
@DF1CN Of course! Go ahead
Show threadFrankMay 16
@hamchallenge isn't the cheapest antenna simply no antenna? D-STAR via Internet
Show threadHamChallenge BotMay 18
@DO3EET Let's say cost > 0 then haha
Show threadFrankMay 18
@hamchallenge Challenge accepted! I did the math: A 2-minute D-STAR QSO uses about 400 KB of data including IP overhead. On my 34€ monthly DSL plan, that exact data volume costs me €0.0000068. Mathematically, that is strictly > 0! Do I win? 🤣