野夫 wrote:
今早跟原廠聯絡,客服人員說是晶片問題...(恕刪)
剛剛到 http://www.navcen.uscg.gov/GPS/almanacs.htm 看星曆資料,
發現這週是 Week 512, 昨天是 week 512的開始, 會不會是這個原因?
512二進位是 1000000000, 若程式資料的位元數沒處理好, 就會有問題.
不過這只是純猜測, 因為 week 剛好是 512, 太巧了.
******** Week 512 almanac for PRN-01 ********
ID: 01
Health: 063
Eccentricity: 0.3496170044E-002
Time of Applicability(s): 233472.0000
Orbital Inclination(rad): 0.9613113403
Rate of Right Ascen(r/s): -0.7999915397E-008
SQRT(A) (m 1/2): 5153.687500
Right Ascen at Week(rad): -0.2873273015E+001
Argument of Perigee(rad): 0.909013629
Mean Anom(rad): -0.2466435432E+000
Af0(s): -0.7629394531E-004
Af1(s/s): 0.3637978807E-011
week: 512
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