SMRW 1928 Sweden
SMRW - QSO with SMWG July 5th, 1928, on 43 metres; input 13 Watts. Mr. Erik Wallstén, licensed July 27th, 1927. 1929-32 he used the calls SM2RW and SM5RW. The license was cancelled February 5th, 1932, as he had moved to Mexico. There he got the call X1FF (later XE1FF).
Courtesy of SSA QSL Archives / SM6JSM