2:14am PDT - April 23rd, 2022
Global Optimum NVIS Frequency Map Based Upon Hourly Ionosphere Soundings via https://t.co/6WcAAthKdo #hamradio https://t.co/ZdSPoYn2Ou
0 retweets 2 likes - wa1gov (@wa1gov)Global Optimum NVIS Frequency Map Based Upon Hourly Ionosphere Soundings via https://t.co/6WcAAthKdo #hamradio https://t.co/ZdSPoYn2Ou
0 retweets 2 likes - wa1gov (@wa1gov)