謹賀新年
K9QHO/Michael Williams 氏による 2015年12月一ヶ月間の DTUsat-2 解析結果の
xls, wavファイルをここに紹介します。画像化と 2進数計算は JE9PEL/1 脇田に
よるものです。一番下の画像は自局の本年初 DTUsat-2 受信です。2016年1月1日
> 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
本年初受信 DTUsat-2
2016年1月1日 09:13-09:23JST, Ele 16 SE-E-N, 2401.843MHz USB
