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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+Re\s+SIDs\s+and\s+Transatlantic\s*$/: 4 ]

Total 4 documents matching your query.

1. LF: Re SIDs and Transatlantic (score: 1)
Author: "LAWRENCE MAYHEAD" <[email protected]>
Date: Wed, 16 Feb 2000 12:50:51 +0100
Extract from Daily Telegraph today:- "A recent Sun flare that has caused a radio blackout has prompted scientists to warn that the Earth will be most at risk from the effects of space weather later t
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-02/msg00160.html (9,573 bytes)

2. Re: LF: Re SIDs and Transatlantic (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Wed, 16 Feb 2000 14:47:50
So can we assume that the exceptional conditions reported by Larry Kaiser were related to this Flare on 5 feb.if so there is a delay of one week between the event and the change in propagation! is th
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-02/msg00161.html (10,402 bytes)

3. Re: LF: Re SIDs and Transatlantic (score: 1)
Author: Väinö Lehtoranta <[email protected]>
Date: Wed, 16 Feb 2000 20:02:02 +0200
Hi LF folks, SID effects are mainly caused by solar EM radiation and D region effects by hard X-rays. So they travel with about the same speed than visible light does. SID's are labelled according to
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-02/msg00165.html (11,121 bytes)

4. Re: LF: Re SIDs and Transatlantic (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Thu, 17 Feb 2000 10:31:07
Vaino is right, I mixed up SID (or MDE) with the auroral effects which are caused by slower particles and occure several days after a major flare. In the past I observed enhanced propagation on 136kH
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-02/msg00171.html (9,327 bytes)


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