Youtube version:
Jiri, OK2RZ is active as OL100ZH, 8 February to 28 February 2019, Celebrating Miroslav Zikmund’s 100th birthday.
OK7ZH & OK7HZ = Zikmund and Hanzelka, Legendary Czech World Travellers.
Miroslav Zikmund (born 14 February 1919) and Jiří Hanzelka (24 December 1920 – 15 February 2003), known collectively as Hanzelka and Zikmund were a duo of Czech adventurers known for their travels in Africa, Asia, Latin America, and Oceania in the 1940s and 1950s and for the books, articles, and films they created about their journeys.
https://en.wikipedia.org/wiki/Hanzelka_and_Zikmund
OK7ZH & OK7HZ = Zikmund and Hanzelka, Legendary Czech World Travellers.
Miroslav Zikmund (born 14 February 1919) and Jiří Hanzelka (24 December 1920 – 15 February 2003), known collectively as Hanzelka and Zikmund were a duo of Czech adventurers known for their travels in Africa, Asia, Latin America, and Oceania in the 1940s and 1950s and for the books, articles, and films they created about their journeys.
https://en.wikipedia.org/wiki/Hanzelka_and_Zikmund