DX News Ham Radio Amateur Radio News Page 6

The radio station in Grimeton near Varberg on the Swedish southwest coast, together with 20 other systems of this type, formed a global radio network from 1925 onwards.

T30TTT Team start activity from Tarawa Island, IOTA OC - 017, Kiribati.

W5JON will be active again as V47JA from Saint Kitts Island, IOTA NA-104, 4 - 13 August 2025.

TO3K Team will be active from Mayotte Island, IOTA AF - 027, 2 - 20 August 2025.

Diya, YI1DZ will be active as Z81D from Juba, South Sudan, during August 2025.

The RDA Russian Districts award program and the corresponding RDA Contest have been attracting radio amateurs in Russia and in other countries of the world for over 20 years.

Video TO8FH Mayotte DX Pedition October 2023.

TY5AD Team is currently active from near Kotoneu, Benin.

Video W8S Swains Island DX Pedition October 2023.

Video XW4DX DX Pedition Laos November 2023. Ops - F4BKV, F2DX, F4HAU, F5PTM, F8AVK.

DK6SP will be active as 3B9SP from Rodrigues Island, IOTA AF - 017, 28 July - 1 August 2025.

DL4SDW is currently active as HI3/DL4SDW from Dominican Republic, IOTA NA-096.

3C2MD Team will be active from Bioko Island, IOTA AF - 010, Equatorial Guinea, 29 October - 10 November 2025.

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

How radio equipment helped to win World War II.