[amsat-bb] XW-2C status
n8hm at arrl.net
Fri Jul 8 01:04:39 UTC 2016
Also, I would recommend not attempting to uplink to the satellite
until the telemetry beacons return to normal (in the absence of any
formal word from CAMSAT). If it is a battery charge issue, it would be
a good idea to not stress them further by putting a signal through the
On Thu, Jul 7, 2016 at 8:23 PM, Paul Stoetzer <n8hm at arrl.net> wrote:
> The XW-2 satellites are currently experiencing what I believe are
> their longest period of eclipses since, eclipsing in the southern
> hemisphere on each orbit. With LTDNs (local time of the descending
> node) of 06:00-06:02, the satellites are in sunlight most of the time,
> except in each hemisphere's winter. Note that XW-2A is no longer in a
> nominally sun-synchronous orbit due to it's orbital maneuvers.
> DK3WN's Illum program shows that XW-2C will be experience periods of
> eclipse until August 12th. Eclipse durations are 21-22 minutes per
> orbit at this time and will start to decrease slowly next week (as
> seen here https://twitter.com/PRStoetzer/status/751208970979803137 )
> Hopefully the issues are temporary. Perhaps a command station can put
> it into a safe mode to ensure that it's batteries do not get too
> depleted while experiencing long eclipses.
> Paul, N8HM
> On Thu, Jul 7, 2016 at 8:04 PM, Glenn Miller - AA5PK
> <aa5pk at suddenlink.net> wrote:
>> It appears XW-2C is experiencing "issues."
>> The CW beacon, the transponder and the telemetry are very erratic. The
>> transponder is on very briefly during breaks in the telemetry transmissions.
>> The CW beacon hardly gets a single dit out.
>> May have battery problems.
>> Glenn / AA5PK
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