[amsat-bb] SO-67 repeater temporarily suspended

Hi folks, Last week Thursday flash memory of a CAN controller on Sumbandila was corrupted by a probable radiation event. It does not affect satellite health but prevents activation of the amateur radio repeater. Similar problems occurred in October 2009 and December 2010 and were corrected.

[amsat-bb] Re: new sat

On Wednesday, 2011-05-18 17:02 +0200, Alexander Sack wrote: > Somebody just asked me, how much is it to develop/launch a new bird? Labour and components for Sunsat (SO-35) cost around 11 million South African rand (or 2 million USD at the time). The launch was sponsored by NASA in exchange for

[amsat-bb] Re: SO-67 Question

Hi Dave, On Tuesday, 2011-05-03 21:56 +0200, Dave Marthouse wrote: > When SO-67 isn't operating in amateur mode is it on a different > frequency. If so, what frequency is it and what modulation scheme > is used? Telemetry downloads, activity uploads and housekeeping tasks are performed on com

[amsat-bb] SO-67 repeater to resume operations

Hi folks, With the troublesome controller reprogrammed we hope that Sumbandila will resume its repeater schedule next week. Tonight over South Africa the four passes below will be scheduled as a test. Please report your observations at David Carr's live OSCAR status page: http://oscar.dcarr.o

[amsat-bb] SO-67 repeater temporarily suspended

Hi folks, Last week the flash boot memory of a CAN controller on Sumbandila was corrupted by a probable radiation event. It does not affect satellite health but prevents activation of the amateur radio repeater, as the particular script detects an anomaly and aborts. The same problem also occ

[amsat-bb] Sumbandila (SO-67) schedule until 2010-11-01

Hi folks, Please find below a list of planned Sumbandila (SO-67) ham payload activations for week 4 of the cycle (times in UTC; active for 15 minutes). Visit http://www.amsatsa.org.za for operating hints. 73 de ZR1CBC, Johann. - Africa (Mostly unfavourable passes for South Africa, in part

[amsat-bb] On satellite beacons and rotator mounting [was: Re: Re: Sat Demo Yesterday]

On Saturday, 2010-10-23 13:49 +0200, N. Mahdinejad wrote: > Dear satellite operators. > Is there any one? i dont recive any answer to my questions. help ma please. > Which of amteur satellites have operatonal beacon downlink ? > > Thanks for your attention. > Best Regards. Dear N. Be more patie

[amsat-bb] Sumbandila (SO-67) schedule until 2010-10-24

Hi folks, Please find below planned Sumbandila (SO-67) ham payload activations for the next few days (times in UTC; active for 15 minutes). Visit http://www.amsatsa.org.za for operating hints. 73 de ZR1CBC, Johann. - Central Asia 2010-10-20 02:57 2010-10-20 14:54 2010-10-21 04:12 2010-10

[amsat-bb] Sumbandila (SO-67) schedule until 2010-10-17

Hi folks, SO-67 is again executing its schedule and the following passes should go ahead as initially planned: 2010-10-16 19:47 2010-10-16 20:36 2010-10-16 21:20 2010-10-16 22:38 2010-10-16 22:54 2010-10-16 23:55 We hope to upload the rest of the weekend schedule tomorrow morning around 06:00

[amsat-bb] Sumbandila (SO-67) in safe mode

Hi folks, Sumbandila (SO-67) entered a safe mode between our morning passes in South Africa and will only continue executing its schedule once an alarm is cleared. This implies that the V/U repeater will be off today until 18:00 UTC and probably for longer. 73 de ZR1CBC, Johann.