ARRL

The ARRL is the national organisation in the USA for radio amateurs. It is a bit like the RSGB in the UK.

For a while I joined and received their monthly magazine QST. QST is quite a big magazine, but I decided not to renew as the RSGB's RadCom seemed to be enough for me with PW and SPRAT.

See http://www.arrl.org/