DATE:    25 July 1997 (J-206)
SUBJECT: NAVIGATION SUMMARY

                    (TEST)   (WEST)   (EAST)
                   GOES-10f  GOES-9e  GOES-8d
POSITION           104.542  135.385   75.186
DRIFT RATE           0.070E   0.015E   0.046W
FUEL REMAINING     146.453f 118.034e 101.805d
OXIDIZER REMAINING 242.133f 193.795e 163.794d
INCLINATION          0.286    0.301    0.115
MANEUVER DATE       ------   ------   7-30-97
MANEUVER TYPE       ------   ------     SK  i
PROPELLANT COST     ------   ------    0.251

                    GOES-7g  GOES-3   GOES-2    MET-5c   MET-6c
POSITION            99.182a 109.189  173.212a   9.532    0.297h
DRIFT RATE           0.037Ea  0.005W   0.091Wa  0.005E   0.000Eh
FUEL REMAINING      16.129ba  4.863    6.761a  ------   ------
INCLINATION          3.857ba 11.889   12.857a   1.379    0.208h
SPIN RATE          100.386  100.446   99.618   ------   ------
MANEUVER DATE       ------   ------   ------   ------   ------
MANEUVER TYPE       ------   ------   ------   ------   ------
FUEL COST           ------   ------   ------   ------   ------

COMMENTS:

(a) Predicted value.
(b) Fuel uncertainty +/- 11 pounds - no N/S maneuvers.
(c) M5, M6 weekly summary data not available.
(d) GOES-8 data propagated from OATS orbit epoch 97:206 12h.
    Fuel and oxidizer remaining are estimates after EWSK 97:120.
(e) GOES-9 data propagated from OATS orbit epoch 97:206 06h.
    Fuel and oxidizer remaining are estimates after EWSK 97:170.
(f) GOES-10 data propagated from FDF orbit epoch 97:205 12h.
    Fuel and oxidizer remaining are estimates after SHM wheel reset
97:150.
(g) GOES-7 Imager off (operations) 11 Jan 96 standby status.
(h) M6 data for 8 June 97.
(i) GOES-8 EWSK maneuver 97:211 predicted propellant used 0.251
pounds.

Definition of terms:

SK   --  Stationkeeping              POSITION        --  Degs west
long
NS   --  Inclination change          DRIFT RATE      --  Degs per day
REOR --  Spin axis reorientation     SPIN RATE       --  RPM
EW   --  In-plane station change     FUEL,OXID,PROP  --  Pounds