Welcome to
amateur radio station
DF3TA

Operated by Johannes Frankenau
from Marburg, Germany (JO40IU)

Equipment

Transceiver

QRPLabs QMX 60–15m with output transformer wound for 12V

Energy Supply

3×18650 batteries in series (not fully charged to keep voltage below 12V)

Antenna

EFHW cut for 40m (currently around 20.70cm), made from 0.25mm² tinned copper wire with PVC insulation

Transformer

49:1 Unun with FT50-43

Throw Line

PP Ø 2mm with two M18 nuts taped together and wrapped in bicycle tube