Just what is "Safe Mode"? Is it OK to make a call when the bird is in safe mode?
Safe mode is the beacon/TLM only, every couple of minutes. No point in attempting QSO's, as the transponder will not be on.
The spacecraft can be placed in Safe Mode by a control operator, or it can switch in automatically depending on the status of onboard systems.
If you hear "Hi, this is Amateur Radio Satellite Fox-1" (or something like that), then the transponder is on. If you hear "safe mode", then obviously the transponder will not be on.
--Roy K3RLD
Must be since today, because Sunday UTC I had two passes with lots of activity. Unfortunately I still find that signal strength is below what it used to be before the trouble with this bird started. The best pass had signal strengths of +15 dB above noise level and only 3 DUV frames were decoded during the whole pass. And that with my new 6 element cross yagi for 2 meters (used to have a horizontal 4 element yagi with LNA).
Hans
BX2ABT
On 02/04/2019 08:24 PM, Roy Dean wrote:
Just what is "Safe Mode"? Is it OK to make a call when the bird is in safe mode?
Safe mode is the beacon/TLM only, every couple of minutes. No point in attempting QSO's, as the transponder will not be on.
The spacecraft can be placed in Safe Mode by a control operator, or it can switch in automatically depending on the status of onboard systems.
If you hear "Hi, this is Amateur Radio Satellite Fox-1" (or something like that), then the transponder is on. If you hear "safe mode", then obviously the transponder will not be on.
--Roy K3RLD _______________________________________________ Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Dear All,
I made a QSO (to myself as no-one to reply anyway) very clear voice back and strong signal. 16 DUV frames decoded and upload successfully to the Leaderboard this afternoon.
As no traffic on it in the middle of the Indian Ocean and in full sunlight, I can only guess that it automatically switch mode depending of its status, I did not trigger it much per recommendation as not to deplete the battery.
73
Jean Marc (3B8DU)
On Feb 4, 2019, at 5:40 PM, Hans BX2ABT hans.bx2abt@msa.hinet.net wrote:
Must be since today, because Sunday UTC I had two passes with lots of activity. Unfortunately I still find that signal strength is below what it used to be before the trouble with this bird started. The best pass had signal strengths of +15 dB above noise level and only 3 DUV frames were decoded during the whole pass. And that with my new 6 element cross yagi for 2 meters (used to have a horizontal 4 element yagi with LNA).
Hans
BX2ABT
On 02/04/2019 08:24 PM, Roy Dean wrote:
Just what is "Safe Mode"? Is it OK to make a call when the bird is in safe mode?
Safe mode is the beacon/TLM only, every couple of minutes. No point in attempting QSO's, as the transponder will not be on.
The spacecraft can be placed in Safe Mode by a control operator, or it can switch in automatically depending on the status of onboard systems.
If you hear "Hi, this is Amateur Radio Satellite Fox-1" (or something like that), then the transponder is on. If you hear "safe mode", then obviously the transponder will not be on.
--Roy K3RLD _______________________________________________ Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
North to East pass today with 16 degrees elevation and signals were much stronger than yesterday: +20 dB. Still in safe mode, so only got 5 DUV frames decoded.
--Hans
BX2ABT
On 02/04/2019 10:14 PM, Jean Marc Momple wrote:
Dear All,
I made a QSO (to myself as no-one to reply anyway) very clear voice back and strong signal. 16 DUV frames decoded and upload successfully to the Leaderboard this afternoon.
As no traffic on it in the middle of the Indian Ocean and in full sunlight, I can only guess that it automatically switch mode depending of its status, I did not trigger it much per recommendation as not to deplete the battery.
73
Jean Marc (3B8DU)
On Feb 4, 2019, at 5:40 PM, Hans BX2ABT hans.bx2abt@msa.hinet.net wrote:
Must be since today, because Sunday UTC I had two passes with lots of activity. Unfortunately I still find that signal strength is below what it used to be before the trouble with this bird started. The best pass had signal strengths of +15 dB above noise level and only 3 DUV frames were decoded during the whole pass. And that with my new 6 element cross yagi for 2 meters (used to have a horizontal 4 element yagi with LNA).
Hans
BX2ABT
On 02/04/2019 08:24 PM, Roy Dean wrote:
Just what is "Safe Mode"? Is it OK to make a call when the bird is in safe mode?
Safe mode is the beacon/TLM only, every couple of minutes. No point in attempting QSO's, as the transponder will not be on.
The spacecraft can be placed in Safe Mode by a control operator, or it can switch in automatically depending on the status of onboard systems.
If you hear "Hi, this is Amateur Radio Satellite Fox-1" (or something like that), then the transponder is on. If you hear "safe mode", then obviously the transponder will not be on.
--Roy K3RLD _______________________________________________ Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
participants (3)
-
Hans BX2ABT -
Jean Marc Momple -
Roy Dean