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In rec.radio.amateur.antenna Spike wrote:
On 07/12/2015 08:22, Ian Jackson wrote: BBC Radio 4 on 198kHz is receivable (weakly) in Malta (900 miles?). It's definitely stronger at night. Why is that? It's jimp's newly-invented variable ground wave. All propagation modes are variable over time due to a number of reasons. -- Jim Pennino |
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