[amsat-bb] Russian Thing

[Paul Stoetzer]

The sail hasn't been deployed yet.

On Wed, Jul 19, 2017 at 10:06 AM, Joe <nss at mwt.net> wrote:

> 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+d
>>> evelopment+&+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
>>
>>
>>
>>
> _______________________________________________
> 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
>