Wednesday, 6 April 2011

Propagation predictions for International Marconi Day

Right: Peter (M0RYB) hard at work on the key at GB0CMS last year. International Marconi Day will be held on Saturday 30 April 2011 this year. I help to run GB0CMS at Caister Lifeboat in Norfolk and thought it would be a good idea to have some idea of propagation conditions to the other IMD stations around the world. I have therefore created some charts that show the reliability of paths to Italy, East Coast of USA, West Coast USA, Iceland, Newfoundland and Uruguay - the locations of the majority of the IMD stations. These should help you get your award. See For info, they were created using HamCap (a VOACAP-based program) using a smoothed sunspot number of 41 and based on 100W CW to a dipole at 35ft. Scale your results accordingly.

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