[amsat-bb] Re: NIWAKA detected in VT on 5.84 GHz!

[jmfranke]

Awesome feat!

John  WA4WDL

--------------------------------------------------
From: "Mike Seguin N1JEZ" <n1jez at burlingtontelecom.net>
Sent: Saturday, November 10, 2012 8:03 AM
To: <tanaka at fit.ac.jp>
Cc: <amsat-bb at amsat.org>; <fitsat1 at hotmail.co.jp>
Subject: [amsat-bb] NIWAKA detected in VT on 5.84 GHz!

> Hi Takushi,
>
> Success! I was able to detect NIWAKA. It was lower in frequency that I 
> expected, but with the Funcube, easy to spot.
>
> The Doppler was huge! and I was moving the dish almost continuous to try 
> and keep up. I'll edit the I&Q RF file and post it so folks can play it 
> back for themselves.
>
> Two quick screen shots. In the first shot, you can see the signal on the 
> left side Doppler shifting down. In the second shot, a close up of one 
> data burst with Doppler - about 3 secs or so...
>
> http://users.burlingtontelecom.net/~n1jez@burlingtontelecom.net/images/NIWAKA_1.jpg
> http://users.burlingtontelecom.net/~n1jez@burlingtontelecom.net/images/NIWAKA_2.jpg
>
> The 5.84 GHz transmitter seemed to come on very close to the set time. 
> First detection at 12:24:21 UTC.
>
> More later.
>
> 73,
> Mike, N1JEZ
> AMSAT 29649
> "A closed mouth gathers no feet"
>
>
> ----- Original Message ----- 
> From: "Mike Seguin N1JEZ" <n1jez at burlingtontelecom.net>
> Subject: [amsat-bb] Re: 5.8GHz transmission from NIWAKA
>
>
>> Hi Takushi,
>>
>> Excellent!  I'm set and waiting for NIWAKA to come up over the horizon in 
>> about an hour.
>>
>> 73,
>> Mike, N1JEZ
>> AMSAT 29649
>> "A closed mouth gathers no feet"
>>
>> ----- Original Message ----- 
>> From: <tanaka at fit.ac.jp>
>> Subject: Re: [amsat-bb] 5.8GHz transmission from NIWAKA
>>
>>
>>> Dear Mike,
>>>
>>> We have set the delay command successfully.
>>> NIWAKA will send the 5.84GHz at 12:24:30 on 10th Nov. (UTC)
>>> There may be +,-,30 sec error.
>>> Please watch!
>>> Thank you.
>>>
>>> Best 73
>>> de Takushi, JA6AVG
>>>
>>>
>>>
>>> ----- Original Message -----
>>>> Hi Takushi,
>>>>
>>>> I loaded the latest keps today and the pass times are confirmed.
>>> Looking
>>>> forward to hearing NIWAKA!
>>>>
>>>> I will be recording the pass using a FunCube Dongle in I & Q RF mode,
>>> so
>>>> I'll have ~ 80 kHz of bandwidth. If I'm able to detect the signal on
>>> 10 Nov,
>>>> I can try an RTL SDR receiver on 11 Nov that can receive a much wider
>>>> bandwidth. I use HDSDR with both SDR receivers.
>>>>
>>>> I will be setting up portable in a nearby parking lot so I have an
>>>> unobstructed view to the satellite. I see the Doppler will be quite
>>> large on
>>>> both days (~ 125 kHz). I use the original NOVA program on my laptop in
>>> the
>>>> field which calculates Doppler for me.
>>>>
>>>> Let's hope for success and thanks for coordinating this test.
>>>>
>>>> 73,
>>>> Mike, N1JEZ
>>>> AMSAT 29649
>>>> "A closed mouth gathers no feet"
>>>>
>>>> ----- Original Message ----- 
>>>> From: <tanaka at fit.ac.jp>
>>>> Subject: Re: [amsat-bb] 5.8GHz transmission from NIWAKA
>>>>
>>>>
>>>> > Dear Mike,
>>>> >
>>>> > We found the south paths with enough elevation in your suggestions.
>>>> > We plan the following times which start 5.8GHz transmission.
>>>> > The signal continues around 2 min.
>>>> > (1) at 12:24:30 on 10th Nov. (UTC)
>>>> > (2) at 11:32:30 on 11th Nov. (UTC)
>>>> > According to our calculating orbit software,
>>>> > the time is little bit delayed.
>>>> > Please confirm with the latest TLE.
>>>> > Thank you.
>>>> >
>>>> > 73
>>>> > Takushi, JA6AVG
>>
>>
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>
>
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