This is a 1947 QSL card from amateur radio operator ZS4AF in Harrismith, South Africa, confirming a radio contact.Radio Call Sign: The card belongs to station ZS4AF, operated by R.H. Wrenz.Location & Date: The communication was sent from Harrismith in the Orange Free State (O.F.S.), South Africa, on September 16, 1947.Technical Details: The station used an input power of 100 watts and a receiver identified as an RCA AR-88.
