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| To: | [email protected] |
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| Subject: | Re: LF: Big solar flare - major geomagnetic storms to follow |
| From: | "Roelof Bakker" <[email protected]> |
| Date: | Fri, 09 Mar 2012 15:15:53 +0100 |
| In-reply-to: | <[email protected]> |
| References: | <[email protected]> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
| User-agent: | Opera Mail/11.61 (Win32) |
Hello Alan,For further "experimental data", on 518 kHz NAVTEX only stations from the north at a distance below 1000 km were received last night. Norlandet at 1374 km away, did not appear at all, where it is a very regular guest otherwise. It is interesting to note that a perfect decode was received from Miami, 7000+ km away at 04:05 UTC. What is also interesting is that my PERSEUS spectrum window from 0 - 40 MHz showes depressed signals above 2 MHz. The average level is 10 - 20 dB below normal. These SDR's lent themselves very well for wideband propagation study! 73, Roelof, pa0rdt |
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