2:14am PDT - March 21st, 2023
Global Optimum NVIS Frequency Map Based Upon Hourly Ionosphere Soundings via https://t.co/6WcAAthKdo #hamradio https://t.co/VSsPmlMnPB
1 retweets 0 likes - wa1gov (@wa1gov)Global Optimum NVIS Frequency Map Based Upon Hourly Ionosphere Soundings via https://t.co/6WcAAthKdo #hamradio https://t.co/VSsPmlMnPB
1 retweets 0 likes - wa1gov (@wa1gov)