In this case, PCV shows changes along the elevation angle, as was the case for Javad RingAnt-DM or Novatel GNSS-750, in addition to quite significant differences along the azimuth, especially in the L1/E1 frequency band up to 12 mm difference in lower elevations.
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Antennas as Precise Sensors for GNSS Reference Stations and High-Performance PNT Applications on Earth and in Space.
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