5:20am PST - January 7th, 2022
FOT is the Frequency of optimum transmission (FOT) also applicable to 90 percent of the days of a month... https://t.co/ffIA7KYHiM #spacewx #hamr #swl
0 retweets 0 likes - NW7US (@NW7US)FOT is the Frequency of optimum transmission (FOT) also applicable to 90 percent of the days of a month... https://t.co/ffIA7KYHiM #spacewx #hamr #swl
0 retweets 0 likes - NW7US (@NW7US)