[600MRG] Tiangong-1 deorbit; propagation effects?

[Bart Lee]

For what it's worth, the Solar Eclipse doubled the signal strength of the
Navy MFSK station from North Dakota here in San Francisco on 25 KHz.

73 de Bart, K6VK ##

-- --
Bart Lee, K6VK, CHRS, AWA, ARRL
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On Mon, Apr 2, 2018 at 1:05 PM, Edward R Cole <kl7uw at acsalaska.net> wrote:

> Robert,
>
> The ionization caused by reentry of the space station would be the same
> effect as a meteor (all beit very large meteor).  The ionized gas is very
> thin at the altitude its generated (roughly same as e-layer) and dissipates
> in seconds or perhaps a few minutes.  No lasting effects, plus you would
> need to be within 1800 km of the reentry path to even see it, I would
> think.  Meteor scatter effects are maximum around 40-50 MHz so at 630m I
> wonder?
>
> Solar propagation effects are a different "animal".  The thermonuclear
> engine (sun) is a whole lot bigger than a little "bus sized" satellite
> burning up in the atmosphere.
>
> If it landed in Seattle you'd have better chances, though folks in Seattle
> might disagree <joke>
>
> In any case the effects are over shortly after reentry.
>
> 73, Ed - KL7UW
>
>
> At 11:30 AM 4/2/2018, Robert Grizzard wrote:
>
>> The China Manned Space Engineering Office reported that Tiangong-1, the
>> Chinese space station launched in September 2011, deorbited at 0015Z
>> Monday, 2 April 2018. Has anybody noticed any difference in 630 meter
>> propagation since?
>>
>> de kg7yy
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>
> 73, Ed - KL7UW
>   http://www.kl7uw.com
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>   dubususa at gmail.com
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