2:14am PDT - April 22nd, 2022
Global Optimum NVIS Frequency Map Based Upon Hourly Ionosphere Soundings via https://t.co/6WcAAthKdo #hamradio https://t.co/v9cHYl9o0r
0 retweets 1 likes - wa1gov (@wa1gov)Global Optimum NVIS Frequency Map Based Upon Hourly Ionosphere Soundings via https://t.co/6WcAAthKdo #hamradio https://t.co/v9cHYl9o0r
0 retweets 1 likes - wa1gov (@wa1gov)