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Re: AO-40 Estimated Keplerian Elements #3



"Kenneth J. Ernandes" wrote:
> 
> Here's my latest estimate:
> 
> AO-40 / OSCAR 40
> 1 26609U 00072B   00321.07636550  .00000001  00000-0  12528-4 0    39
> 2 26609   6.4414 247.6325 7351717 175.8868  13.4478  2.03016775    16

Ken,

My latest observations (see below) seem to exclude 26613/72F, although
it looks like that I have some trans-horizon reception 
(high barometric pressure ?).
>From the offered TLEs your set #3 and 26612/72E #1 provide the best fit. 
May be that 26611/72D will be a real surprise ?
	Vy 73,
             Viktor OE1VKW
_________________________________________
Location: 48°14.382N/16°19.236E/275m
_________________________________________
UTC predicted:
NORAD#/ID TLE# Nov19LOS Nov20AOS Nov20LOS
26608/72A    3    10:29    06:51    10:29
26609/72B    1    11:05    06:22    10:34
26610/72C    1    11:10    06:18    10:40
26611/72D    ?
26612/72E    3    11:18    06:13    10:51
26613/72F    1    11:25    06:09    11:00
26614/72G    1    11:59    05:48    11:46    
AO-40(Ken)   3    11:18    06:13    10:51
_________________________________________
UTC observed:  Nov19LOS Nov20AOS Nov20LOS
AO-40             11:21    06:02    10:53
_________________________________________
Predicted elevation at UTC observed:
NORAD#/ID TLE# Nov19LOS Nov20AOS Nov20LOS
26612/72E   #3    -2.1°    -1.1°    -1.2°
26613/72F   #1    +2.4°    -0.7°    +3.4°
AO-40(Ken)  #3    -1.9°    -1.1°    -1.1°
_________________________________________
S-meter readings (relative to background noise level) 
Nov20 (2x12el. Yagi, RHCP, IC-275(mode CW) + Preamp)

                 Predicted elevation (26612/72E #3)
10:45   S8        2.6°            
10:46   S8        2.2°
10:47   S8        1.8°
10:48   S8        1.4°
10:49   S9        1.0°
10:50   S9        0.5°
10:51   S8       -0.2°
10:52   S7       -0.7°
10:53   S4       -1.2° (last correct telemetry block 10:53:33)
10:54   S0       -1.7°
__________________________________________
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