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Software system for studying Omega-phase data and fix accuracy on a small computer

Software system for studying Omega-phase data and fix accuracy on a small computer

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With the full scale introduction of the Omega system of radio navigation, which has a world-wide capability, there is considerable interest in the assessment of positional fix accuracy at various fixed sites and monitoring stations. This is because Omega necessarily suffers from diurnal and seasonal variations. A software system, based on a standard minicomputer, is described. The system has the capability of carrying out positional fix assessment. Operation of the program is illustrated with the aid of actual Omega line of position (l.o.p.) data on two frequencies.

References

    1. 1)
      • Morris, P.B., Cha, M.Y.: `Omega propagation corrections, background and computational algorithm', ONSOD-01-74, US DOT Report, 1974.
    2. 2)
      • ONSOD Office publication, `Omega Monitor Station Operations Manual', July 1974.
    3. 3)
      • Swanson, E.R.: `A navigation monitor for VLF signals', AGARD 30th meeting, 1975, p. 9-1–9-6, Norway.
    4. 4)
      • P. Townsend . (1975) , Tektronix graphics routine for RT-11 Basic.
    5. 5)
      • Pierce, J.A.: `Omega—facts, hopes and dreams', 652, Harvard University technical report, June 1974, N00014-67-A-0298-0008.
    6. 6)
      • D.A. Moore . (1964) , Basic principles of marine navigation.
    7. 7)
      • J.A. Pierce , A.A. McKenzie , R.H. Woodward . (1948) , LORAN—Long range navigation.
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