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Re: NCube-2



Nothing heard during the 08:45 UTC pass over Paris

73 de Jean-Louis F6AGR
Loc. JN18DQ


Graham Shirville a écrit :

> Hi All,
>
> We have received a report from NORAD that they have recently detected 
> an additional object in an orbit which is very close to SSETI Express.
>
> It is possible that this could be NCube-2 which should have been 
> deployed from Express just after launch on October 27th.
>
> It would be really good to see if signals from NCube-2 can be detected 
> on 437.305MHz +/- Doppler.
>
> NORAD will be cataloging this new object as 28897 and an element set 
> should be forthcoming shortly - in the meantime the existing SSETI 
> Express TLEs/Keps will be accurate enough.
>
>
> Here is some prelaunch data to help recognition of the signal!
>
>
> Downlink: 437,305MHz
> Bitrate: 9600b/s
> Modulation technique: GMSK
>
> The message:
>                "DE=LA1CUB=NCUBE2=FF=LA1CUB===" is morsed using a 
> 2400Hz tone, 26 words per minute" where FF is a hex number [00=3,0V - 
> FF=4,5V]
>        If battery voltage is above 3,8V, every 2 minutes
>        If battery voltage is below 3,8, every 5 minutes
> In the end of the message an unnumbered AX.25 packet is attached 
> containing the string:
>
> DE=LA1CUB=NCUBE2=NORWEGIAN CUBESAT - WWW.NCUBE.NO
>
> In the header of the AX.25: Callsign: NCUBE  Destination: EARTH
>
> The satellite will transmit at a power of 1,5W at full battery charge
>
> Reception reports will be welcome email to ncube@rocketrange.no   and 
> to missioncontrol@sseti.org
>
> Keep those fingers crossed
>
> 73
>
> Graham G3VZV ----
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