3 ms·
The HF bands (below 3 and 30 Mhz, also called shortwave) propagate by bouncing of the ionosphere. A major part of amateur radio is using them for intercontinent
by sciurus 8y ago
The HF bands (below 3 and 30 Mhz, also called shortwave) propagate by bouncing of the ionosphere. A major part of amateur radio is using them for intercontinental communication.
https://en.wikipedia.org/wiki/High_frequency https://en.wikipedia.org/wiki/High_frequency
- sciurus 8y agoThat should have said between, not below. Also, I'll add a link to http://wsprnet.org/drupal/wsprnet/map http://wsprnet.org/drupal/wsprnet/map . Essentially this shows the transmitter and receiver locations for low power beacons, which might give you a sense of what HF propogation looks like. It will vary according to the time of day and solar conditions.