[amsat-bb] Russian Thing

[Joe]

Interesting,
How all the articles say it is supposed to be this super bright thing. 
brighter than anything other than the moon or sun. like -10 mag.

Yet I just checked Heavens above to see if they have it and they do, but 
they are saying all the passes are near 0 mag + or - a mag, sooo HUH?

Joe WB9SBD
Sig
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com
On 7/19/2017 8:54 AM, Joe wrote:
> Remember Echo things?
>
> Joe WB9SBD
> Sig
> The Original Rolling Ball Clock
> Idle Tyme
> Idle-Tyme.com
> http://www.idle-tyme.com
> On 7/19/2017 3:09 AM, Simon Brown wrote:
>> Yes,
>>
>> On 2m they have (by accident) and they are.
>>
>> Simon Brown, G4ELI
>> www.sdr-radio.com
>>
>> -----Original Message-----
>> From: AMSAT-BB [mailto:amsat-bb-bounces at amsat.org] On Behalf Of Ross
>> Whenmouth
>> Sent: 19 July 2017 07:02
>> To: amsat-bb at amsat.org
>> Subject: Re: [amsat-bb] Russian Thing
>>
>>> Date: Tue, 18 Jul 2017 11:16:38 -0500
>>> From: Joe<nss at mwt.net>
>>>
>>> Now for a surface to be reflective, how big does it need to be in
>>> terms of wvelength?
>> That's textbook radar theory - see:
>> http://slideplayer.com/slide/3927976/13/images/9/Modelling+development+&+res 
>>
>> ults.jpg
>>
>> Provided that you have enough EIRP (EME rig?), I would expect that 6m 
>> or 2m
>> would probably be a good choice of band, since shorter wavelengths 
>> are more
>> likely to undergo optical scattering, which might not be in the 
>> direction of
>> your intended RX.
>>
>> On this subject, have any hams tried using the ISS as a passive RF
>> reflector?
>>
>>
>> 73 ZL2WRW
>> Ross Whenmouth
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>
> _______________________________________________
> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. 
> Opinions expressed
> are solely those of the author, and do not reflect the official views 
> of AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite 
> program!
> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
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