[AReU] AO40 tomorrow

w4tas [email protected]
Sat, 29 Mar 2003 18:51:39 -0500


Get your AO40 receivers ready!!!!

The bird will be very strong tomorrow evening from 6:45 pm 
until 8:30 pm. If this would have been the case at the picnic 
(and it would have if we had waited long enough) we would have 
had armchair contacts with folks on the satellite. 

As you can see from the tracking data that am including with this 
E-Mail, squints will get into single digits around 6:45 PM and 
stay in single digits until about 8:30 PM. The signals will be very 
strong on either side of this window for a couple of hours before 
6:45 PM and for another 1/2 hour after 8:30 PM. 

The doppler will put the beacon at 2401.337 MHz at around 
6:45 PM and will increase to 2401.348 MHz at 8:30 PM. 
Azmuith will start at 240 degrees at 6:45 PM and end up at 
250 degrees at 8:30 PM. Elevation will start at 37 degrees 
at 6:45 PM and will be at 28 degrees at 8:30PM. 

This information should give the tracking data some 
semblance of order to the folks that are unaccustomed to 
reading it. The "Offp" number is the angle of offset of the 
satellite high gain antenna from this spot on the Earth. 
If the squint is zero, the antenna is pointing right down our 
throat and the signals will be good. Any squint over 20 degrees 
and you had better have better that optimum equipment to 
work the satellite. 

See you about 50 KHz above the beacon. 

73

Tony
W4TAS



                               51. AO-40
EST Date  Time Azim/Elev  Range    Lat  Long Doppler Phs/M  Offp

30Mar2003 0756  101/   2  52885     5S    5W   -9552  64    43.9
30Mar2003 0807  102/   3  53625     5S    7W   -8974  66    43.1
30Mar2003 0818  102/   5  54318     5S    9W   -8417  69    42.3
30Mar2003 0829  103/   7  54967     5S   11W   -7880  71    41.5
30Mar2003 0840  104/   9  55574     5S   12W   -7363  74    40.8
30Mar2003 0851  105/  11  56140     5S   14W   -6863  76    40.1
30Mar2003 0902  106/  12  56665     5S   16W   -6380  79    39.4
30Mar2003 0913  107/  14  57156     5S   18W   -5949  81    38.7
30Mar2003 0924  108/  16  57605     5S   20W   -5459  84    38.1
30Mar2003 0935  109/  18  58019     5S   22W   -5019  86    37.4
30Mar2003 0946  110/  20  58397     4S   24W   -4593  88    36.8
30Mar2003 0957  112/  22  58742     4S   26W   -4179  91    36.2
30Mar2003 1008  113/  23  59053     4S   28W   -3776  93    35.6
30Mar2003 1019  114/  25  59332     4S   30W   -3383  96    35.0
30Mar2003 1030  115/  27  59579     4S   32W   -3001  98    34.5
30Mar2003 1041  117/  29  59795     4S   34W   -2628 101    33.9
30Mar2003 1052  118/  31  59982     4S   36W   -2264 103    33.4
30Mar2003 1103  120/  32  60139     4S   39W   -1908 106    32.9
30Mar2003 1114  121/  34  60268     4S   41W   -1560 108    32.3
30Mar2003 1125  123/  36  60368     4S   43W   -1219 111    31.8
30Mar2003 1136  125/  38  60441     4S   45W    -884 113    31.3
30Mar2003 1147  127/  39  60487     3S   47W    -555 116    30.8
30Mar2003 1158  129/  41  60506     3S   49W    -232 118    30.3
30Mar2003 1209  131/  43  60499     3S   51W     +87 120    29.9
30Mar2003 1220  133/  44  60466     3S   53W    +402 123    29.4
30Mar2003 1231  136/  46  60407     3S   55W    +713 125    28.9
30Mar2003 1242  138/  47  60323     3S   57W   +1021 128    28.4
30Mar2003 1253  141/  48  60213     3S   60W   +1326 130    28.0
30Mar2003 1304  144/  50  60079     3S   62W   +1629 133    27.5
30Mar2003 1315  147/  51  59920     3S   64W   +1931 135    27.0
30Mar2003 1326  150/  52  59736     3S   66W   +2232 138    26.6
30Mar2003 1337  153/  53  59527     3S   68W   +2534 140    26.1
30Mar2003 1348  157/  54  59294     2S   70W   +2835 143    25.6
30Mar2003 1359  161/  55  59035     2S   72W   +3138 145    25.1
30Mar2003 1410  164/  56  58752     2S   74W   +3442 147    24.7
30Mar2003 1421  168/  56  58443     2S   76W   +3749 150    24.2
30Mar2003 1432  172/  57  58108     2S   79W   +4059 152    23.7
30Mar2003 1443  177/  57  57748     2S   81W   +4373 155    23.2
30Mar2003 1454  181/  57  57361     2S   83W   +4692 157    22.8
30Mar2003 1505  185/  57  56947     2S   85W   +5025 160    22.3
30Mar2003 1516  189/  57  56507     2S   87W   +5347 162    21.8
30Mar2003 1527  193/  57  56038     2S   89W   +5684 165    21.2
30Mar2003 1538  197/  56  55542     1S   91W   +6028 167    20.7
30Mar2003 1549  201/  56  55016     1S   93W   +6381 170    20.2
30Mar2003 1600  204/  55  54460     1S   95W   +6744 172    19.7
30Mar2003 1611  208/  54  53874     1S   97W   +7117 174    19.1
30Mar2003 1622  211/  53  53256     1S   99W   +7502 177    18.5
30Mar2003 1633  215/  52  52605     1S  101W   +7899 179    17.9
30Mar2003 1644  218/  51  51920     1S  103W   +8311 182    17.3
30Mar2003 1655  221/  50  51200     1S  105W   +8738 184    16.7
30Mar2003 1706  223/  49  50443     1S  106W   +9181 187    16.1
30Mar2003 1717  226/  48  49649     0S  108W   +9643 189    15.4
30Mar2003 1728  228/  46  48815     0S  110W  +10124 192    14.7
30Mar2003 1739  230/  45  47939     0S  112W  +10627 194    14.0
30Mar2003 1750  233/  44  47020     0N  114W  +11153 197    13.3
30Mar2003 1801  234/  43  46056     0N  115W  +11706 199    12.5
30Mar2003 1812  236/  41  45043     0N  117W  +12287 201    11.7
30Mar2003 1823  238/  40  43980     0N  119W  +12899 204    10.9
30Mar2003 1834  240/  39  42864     1N  120W  +13546 206    10.0
30Mar2003 1845  241/  37  41692     1N  122W  +14231 209     9.1
30Mar2003 1856  243/  36  40459     1N  123W  +14959 211     8.2
30Mar2003 1907  244/  35  39163     1N  124W  +15735 214     7.2
30Mar2003 1918  245/  33  37798     1N  126W  +16566 216     6.2
30Mar2003 1929  246/  32  36359     2N  127W  +17457 219     5.3
30Mar2003 1940  247/  31  34842     2N  128W  +18419 221     4.5
30Mar2003 1951  248/  30  33238     2N  129W  +19462 224     4.0
30Mar2003 2002  249/  29  31541     3N  129W  +20599 226     4.0
30Mar2003 2013  250/  29  29741     3N  130W  +21847 228     4.8
30Mar2003 2024  250/  28  27827     3N  130W  +23227 231     6.3
30Mar2003 2035  250/  28  25786     4N  130W  +24767 233     8.3
30Mar2003 2046  250/  28  23602     4N  129W  +26502 236    10.7
30Mar2003 2057  250/  28  21252     5N  128W  +28524 238    13.8
30Mar2003 2108  249/  29  18718     5N  125W  +30755 241    17.6
30Mar2003 2119  247/  30  15965     6N  122W  +33403 243    22.5
30Mar2003 2130  244/  33  12961     7N  117W  +36468 246    29.3