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Re: AO-40 telemetry Orbit 87



Hi,

I was wondering the same too. Could it just be that the measurement for
Tx Pwr is just out of range? Or the sensor is not working. Maybe should
dig up telemetry from beginning of december and compare the values
there when VHF was still operational.

--Saku

On Mon, 8 Jan 2001, Robert , DD4YR wrote:

> Hello,
> 
> I observed today (January 9th) morning S2 MB from AO-40 between MA 16
> and MA 20.
> I´ve received 35 A-Blocks, all with CRC ok.
> 
> VHF transmitter temperature and power shows following:
> 
> Temp V Tx          Tx Pwr/Cur V-Tx
> 21,9                     255
> 23,2                     255
> 23,2                     245
> 23,2                     235
> 23,2                     226
> 23,2                     208
> 22,6                     200
> 22,6                     192
> 22,6                     184
> 22,6                     178
> 21,9                     171
> 21,9                     164
> 21,9                     158
> 21,2                     152
> 21,2                     146
> 21,2                     141
> 21,2                     136
> 20,6                     131
> 20,6                     128
> 20,6                     126
> 20,6                     124
> 20,6                     121
> 20,6                     119
> 20,6                     115
> 20,6                     113
> 19,9                     111
> 19,9                     105
> 19,9                     104
> 19,9                       99
> 19,3                       84
> 19,3                       77
> 19,3                       75
> 19,3                       73
> 18,6                       61
> 18,6                       60
> 
> The VHF TX was switched off.
> I think, the VHF TX was on a few MA´s before MA 16, that´s
> possible the reason for the falling temperature from the TX.
> But why is the power display falling so slowly?
> Any idea?
> 
> 73´s
> de Robert, DD4YR
> 
> 
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