District 3 Bulletin from the ARRL EPA SEC, WT Jones – WN3LIF. Even if this is not your district you will find a useful source of info and links for PA radio amateurs. Scroll down the link’s page for this week’s topics: Coax Loss, Beam Antennas for Race Support, the 6P Principle, The Museum of Yesterday, and more.
http://w3luz.org/d3db/EPA_ARES_District_3_Digital_Bulletin_046_2019-08-25.html