2:14am PDT - April 18th, 2022
Global Optimum NVIS Frequency Map Based Upon Hourly Ionosphere Soundings via https://t.co/6WcAAthKdo #hamradio https://t.co/8hR1z7ypcQ
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/8hR1z7ypcQ
1 retweets 0 likes - wa1gov (@wa1gov)