I found several addresses for DS1CCU. DB0SDX lists Hong Sung-Ryul Daewoo Apt 101-1903 #167-1 Singok-Dong Uijeongbu Gyeonggi-Do 480-721 South Korea QRZ.com lists Hong Soung Ryoul Bundang P. O. Box 40 Sungnam 463-050 South Korea Buckmaster lists Hong Sung-Ryul Bundang P. O. Box 40 Sungnam 463-600 Different zip code than QRZ.com South Korea Has anyone used any of these addresses successfully? Thanks, Don WB9NMN