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”
Established 2007
