Subscribe to:
Post Comments (Atom)
Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.
Last week we spent a few days in Newcastle and Durham. We were very impressed with the fine indoor markets in Newcastle and the food prices...
1 comment:
500 kHz was replaced in 1999 by the Global Maritime Distress and Safety System (GMDSS), which uses a combination of automated terrestrial and satellite communications.
Post a Comment