1. ModularQrp - https://www.facebook.com/groups/modularqrp
2. Simple TEFV Antenna for Backyard or Park Use - https://drive.google.com/file/d/1-bCf87qJkgS_AQd-w7ard0WT3_J20Efs/view
3. Ham Radio World - https://www.hamradioworld.org/
4. SWLog - https://shortwavelog.com/AmateurLogging
5. NewLogOSH (Logger Ham Radio) - https://newlogoshlogger.com/download/
73 de UT2AB
