Since orbital period equals 102 minutes 02 seconds, and since the Reference Orbit equator crossing time was 16: 16: 53Z, then the ... the APT TRACKING WORKSHEET on the following page. ... Each of the concentric circles radiating from the center of the tracking diagram represent two degrees of Great Circle distance.
|Title||:||TIROS-N series direct readout services users guide|
|Author||:||James C. Barnes, Michael D. Smallwood, United States. National Earth Satellite Service, Environmental Research & Technology, Inc|