2:14pm PDT - May 28th, 2023
Global Optimum NVIS Frequency Map Based Upon Hourly Ionosphere Soundings via https://t.co/6WcAAthKdo #hamradio https://t.co/L1KWbPndq2
0 retweets 0 likes - wa1gov (@wa1gov)Global Optimum NVIS Frequency Map Based Upon Hourly Ionosphere Soundings via https://t.co/6WcAAthKdo #hamradio https://t.co/L1KWbPndq2
0 retweets 0 likes - wa1gov (@wa1gov)