The call sign OK4MM appears from time to time on this DX News portal, as well as on some other DX related web pages, mostly announcing activities from islands of the IOTA programme.
Presentation covers radio technology development from the Maxwell's mathematical description of electromagnetic waves in 1860-1865, Hertz's development of a crude spark transmitter and spark receiver that proved the existence electromagnetic waves in 1886-1888
Usually, it is not a good when your husband disagrees with your parents, but when it comes to amateur radio there is usually nothing you can do to stop them.
Recent Comments