DTUsat-2

DTUsat-2 Telemetry Analysis 2.4GHz #2

I introduce DTUsat-2 analyzed xls, wav file in December 2015 by K9QHO, Michael Williams.
The imaging below and the binary number's calculation were done by JE9PEL, Mineo Wakita.
The image of the bottom is my this year's first DTUsat-2 reception.   1st January 2016







> Subject: DTUsat-2 Analysis
> From: K9QHO/MICHAEL
> To: Mineo Wakita/JE9PEL
> Date: Thu, 31 Dec 2015 17:35:21 +0000 (UTC)
> 
> Mineo, 
> 
> Attached is a spreadsheet for my results of DTUsat-2's December
> operations. I have attached an audio file about 4 minutes long.
> DTUsat-2 is in Status 100 mode. The on board computer is running.
> 
> 24 sec. Status 100, Beacon count 0, mode switched from USB to AM.
> 52 sec. On board computer generates tone.
> 1:24 Status 100, Beacon count 1, mode AM.
> 1:52 On board computer generates tone.
> 2:24 Status 100, Beacon count 2, mode AM.
> 3:24 Status 100, incomplete signal.
> 5:53 On board computer generates tone.

I, JE9PEL analyzed the telemetry at 2:24 in this wav file.

  Status bits: 100
  Radio temperature: 1001110101=629
                     629*0.0625=39.3[C]

  Battery temperature: 100000111=263
                       263*0.0625=16.4[C]

  Battery voltage: 1100001000=776
                   776*(3.3/1024)*4.44=11.1[V]
  Beacon count: 10 = 2


This year's first reception from DTUsat-2 signal

1 January 2016, 00:13-00:23 UTC, Ele 16 SE-E-N, 2401.843MHz USB
7 January 2016, 01:30-01:42 UTC, Ele 62 S-W-WN, 2401.843MHz USB

I received DTUsat-2 signal at TCA in the right figure. The large dark nebula of the
ground noise are waiting around 2401.800MHz, and the signal of DTUsat-2 seems to be
the dragon that is drifting into the space.
    


DTUsat-2 clear CW
01:44-01:56 UTC, 14 Feb 2016, Ele 43 S-W-WN, 2401.843MHz CW

  


DTUsat-2 2.4GHz stream
Win7 + RTLSDR + SDR#1327
01:27-01:39 UTC, 6 Mar 2016, Ele 73 S-W-WN, 2401.843MHz CW

  


DTUsat-2 2.4GHz video #1
01:02-01:15 UTC, 19 Mar 2016, Ele 52 SE-E-N, 2401.843MHz CW
DTUsat-2 2.4GHz video edited by JE9PEL, 181MB 17secs AVI
http://www.dropbox.com/s/h8p9xd2r7vawshw/60319dt2.avi?dl=0

  


DTUsat-2 2.4GHz video #2
01:15-01:27 UTC, 20 Mar 2016, Ele 77 S-Z-N, 2401.843MHz CW
DTUsat-2 2.4GHz video edited by JE9PEL, 150MB 17secs AVI
http://www.dropbox.com/s/rs0l68sfzt03f5f/60320dt2.avi?dl=0