Posted in DXZone - Ham Radio 3900 Club iz4wnp 30 Gennaio 2022 0 Likes 28 Views The 3900 Club began in the 1960’s as a Sunday morning net of a dozen ham radio operators in, and around, the Sioux City, Iowa, area. The club was formally organized in September, 1969. Author: iz4wnp Website Related Articles 0 35 Southern California Repeater and Remote Base Association 0 31 Top Amateur Radio Websites – Issue 2420 0 39 K5PLD Pearland Amateur Radio Club 0 29 AB6MV Moreno Valley Amateur Radio Association