Radio waves move through space the same as waves do in water.
Distances You Can Work.
Listing the foundation licence frequency.
|Radio band||Distance & Coverage|
|3.5MHz (80 meters)||Typically up to 150KM during the day and up to 3000KM at night.|
|7MHz (40 meters)||Typically up to 1000KM during the day and during good conditions world wide at night.|
|21 MHz (15 meters)||World wide mostly during the day.|
|28 MHz (10 meters)||World wide during periods of high sunspot activity and up to 3000km in summer.|
|144MHz (2 meters)||Local coverage and world wide via “IRLP” and EchoLink.|
|432MHz (70cm)||Local coverage and world wide via “IRLP” and EchoLink.|
VHF and UHF waves will cover large distances with the right conditions in summer its called Ducting.
Last update 21/08/2022
Sherbrooke Community Radio Club Inc “VK3KID”