Canadian Amateur Radio Basic License Study Guide
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VHF Propagation — Sporadic-E and Tropospheric Ducting
Sporadic-E — patches of intense E-layer ionization that enable VHF skip on 6 metres and sometimes 2 metres
Tropospheric Ducting — VHF and UHF signals trapped in temperature inversion layer, extends range beyond line of sight
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Canadian Amateur Radio Basic License Study Guide
Mapleham
Canadian Amateur Radio Basic License Study Guide
Mapleham
