(I was DO7PRM until September 2017.I added one dot ;-)
Activity and interests:
· Manly Shortwave in SSB and some PSK. I am learning CW.
· On the air with 4-5 Watt (QRP)
· Portable and solar powered
· World Castle Award as activator COTA
· Homebrewing and modding of equipment (Examples: Lima-SDR, Vox, Pegelgenerator DL2EWN, QRP-PA by DL2EWN (not ready)) in MitDemWwasManHat-Style
· Red Pitaya as Vector Network Analyzer
· Raspberry Pie
· SDR and digimodes
· Simulation (have a look at everycircuit.com, partsim or mmana)
· Contests and fielddays
· Ham radio out of other countries
QSL via eQSL.cc is preferred, but bureau is ok too.