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G0FTD > PROPAG 28.05.03 01:18l 15 Lines 369 Bytes #999 (0) @ WW
BID : A31784G0FTD
Read: GUEST
Subj: E/F layer hop attenuation ?
Path: DB0FHN<DB0RGB<DB0FSG<DB0GAP<DB0BOX<DB0MRW<DB0ERF<DB0FBB<DB0GOS<DB0EEO<
DB0RES<ON0AR<EB2BJX<GB7YKS<GB7MAX<GB7COV<GB7COV<GB7CIP<GB7SXE
Sent: 030527/1343Z @:GB7SXE.#38.GBR.EU #:3238 [Hastings] FBB7.00i $:A31784G0FTD
From: G0FTD@GB7SXE.#38.GBR.EU
To : PROPAG@WW
Right then, I have some data but it seems to vary wildly.
So the big question is, everytime a signal is refracted by one of these
layers, how much is it attenuated ?
No doubt it depends upon frequency, layer and amount of ionisation.
I'm seeing figures from 1db to 6db per hop, does anyone else have data ?
- Andy -
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