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  1. Replies
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    TLE today, AT&T T16 still at 134.75 For those...

    TLE today, AT&T T16 still at 134.75

    For those keeping up with "all electric" Eutelsat 7C 3 and 1/2 weeks post launch
    Orbit is 3116 x 39405 , painfully slow rise to Geostationary

    Doctor j
  2. Thread: New Channels

    by Doctor j
    Replies
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    Try 901 and 902 245.1 TNTWHD 247.1TBSWHD...

    Try 901 and 902

    245.1 TNTWHD
    247.1TBSWHD
    331.1 MTVWHD
    901 COMWHD
    902 BETWHD

    Doctor j
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    Latest Eutelsat 7C data shows painfully slow...

    Latest Eutelsat 7C data shows painfully slow transfer to GSO:
    EUTELSAT 7C_13
    Lon 104.1979° W
    Lat 1.8032° S
    Alt (km) 29 423.620
    Azm 296.3°
    Elv -29.4°
    RA 02h 17m 49s
    Decl -9° 15' 41"
    Range...
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    Finally, Probably been there a couple of days....

    Finally, Probably been there a couple of days.
    STA request said IOT ~ 3 weeks then drift to 100.85 degrees west

    Doctor j
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    Still not a "Correct" update Doctor j

    Still not a "Correct" update

    Doctor j
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    Latest TLE AT&T 16 is at 137.1 Degrees W slightly...

    Latest TLE AT&T 16 is at 137.1 Degrees W slightly under GSO drifting east at ~ 1.1 degree per 24 hours

    0 AT&T T-16_18
    1 44333U 19034A 19179.50000000 .00000077 00000-0 00000+0 0 9999
    2...
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    I would be ashamed if I put out such gross errors...

    I would be ashamed if I put out such gross errors as the TLE set for AT&T T16.
    I can understand that some data is duplicated ie Data set 1 and 2 and 10 and 11 and other than 1 digit in the 8th...
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    TLE_17 Orbit 11: AT&T T-16 Lon 139.0230° W...

    TLE_17 Orbit 11:
    AT&T T-16
    Lon 139.0230° W
    Lat 0.0118° S
    Alt (km) 35 766.750
    Azm 246.8°
    Elv 22.7°
    RA 08h 17m 06s
    Decl -5° 06' 16"
    Range (km) 39 268.149
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    Magically!! AT&T T16 is in GeoStationary Orbit??...

    Magically!!
    AT&T T16 is in GeoStationary Orbit??

    Doctor j
  10. Replies
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    Orbital mechanics. Search GeoTransfer Orbit....

    Orbital mechanics.
    Search GeoTransfer Orbit.
    Initial orbit is highly elliptical with Apogee near GeoStationary height.
    From there burns to circularize can be very efficient.

    The ups and downs...
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    Just to prove the point, here are the TLEs...

    Just to prove the point, here are the TLEs collected thru Sunday (Prior to correction):
    EUTELSAT 7C_1
    1 44333U 19034A 19171.98448249 -.00000134 00000-0 00000+0 0 9999
    2 44333 5.9448 ...
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    Well despite all the CONFUSION nothing has really...

    Well despite all the CONFUSION nothing has really changed.
    The TLE designations were changed last night.
    Everything listed before today as Eutelsat 7C is now AT&T T16 and vice versa.
    I Guess NORAD...
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    Pix: TLE #1(Green) vs TLE #9 (White) 2775 ...

    Pix: TLE #1(Green) vs TLE #9 (White)

    2775

    Doctor j
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    Latest TLE as Orbit #10 begins. Still not much...

    Latest TLE as Orbit #10 begins.
    Still not much movement , against what was reported at end of launch segment "On station after 4 burns in 5 days"


    0 AT&T T-16
    1 44334U 19034B 19176.21830419...
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    I know what you say is true, BUT I have...

    I know what you say is true, BUT

    I have watched Directv launches since D7s
    I am a member of space-track.org

    It just seems awful suspicious when tracking the TLE's of Directv's satellites vs...
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    Another day No AT&T T16 update Eutelsat7C ,...

    Another day No AT&T T16 update
    Eutelsat7C , Ariane R/B , and Sylda TLEs updated.
    Eutelsat 7C has made fractional movement as expected with "All Electric Propulsion"

    Orbit #1 261 x 35708
    Orbit...
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    Well, Directv is doing "Their Thing" again. ...

    Well, Directv is doing "Their Thing" again.

    >24 hours since a TLE update.

    The Arianespace broadcast stated that T16 would be in Geostationary orbit in 5 days with 4 burns.
    Really fast!!
    ...
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    Turns out AT&T T16 is Object B Latest TLE is...

    Turns out AT&T T16 is Object B
    Latest TLE is Orbit 4 No real change

    AT&T T-16
    Lon 156.3000° W
    Lat 3.4504° S
    Alt (km) 22 542.100
    Azm 255.5°
    Elv 2.5°
    RA 01h 02m 31s
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    262 OTA updates in 36 Markets today Doctor j

    262 OTA updates in 36 Markets today
    Doctor j
  20. Replies
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    4th TLE at Day 172.42981065 not much change...

    4th TLE at Day 172.42981065 not much change
    Report was 4 apogee burns over next 5 days
    Hope to see a move on next update

    TLE #4:
    OBJECT A
    Lon 68.1936° W
    Lat 1.2730° N
    Alt (km) 32 662.950...
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    36 Markets updated Total 200 of 210 see txt...

    36 Markets updated
    Total 200 of 210

    see txt file:

    2771

    Doctor j
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    YEA!! Another 262 OTA updates this AM Will...

    YEA!!
    Another 262 OTA updates this AM

    Will get details as I have time

    Doctor j
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    That has been the pattern in the past Right now...

    That has been the pattern in the past
    Right now all 4 essentially same orbit
    D16 should start moving soon
    Eutelsat more slowly as "all electric impulse" thrusters much less powerful ( Not in...
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    First TLE's in Doctor j 2770

    First TLE's in

    Doctor j


    2770
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    Finally: Arianespace VA248 Update Ariane...

    Finally:
    Arianespace VA248 Update

    Ariane Flight VA248 Arianespace

    Doctor j
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