Differences

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--- versions_comparison [2026/08/31 09:05] – pkovar
+++ versions_comparison [2026/08/31 09:14] (current) – pkovar
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 **Ideal Conditions** [(The antenna is pointed towards the zenith; the satellite is attitude-controlled and stable, with a perfect view of the sky.)]
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 **pNav** could start takes app. 60 seconds. and is app. 10% faster than pNav2.
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 **Real Conditions**[(At least one condition of Ideal Conditions is not satisfied.)]
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 **pNav** cold start is problematic and can take up to hours. Acquisition is not guaranteed.
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 Same problem as Real Conditions Acquisition.
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 pNav is very slow. Reacquisition is not guaranteed.
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 The tracking loops of **pNav2** were optimized to track weak signals; see the "Navigation of Rotating Satellite" in the datasheet.
+</columns>
+===== Antenna =====
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+.3V feeding. No feeding current limiter.
+<newcolumn>
+.85V feeding. Feeding current limiter.
+Power supply 2.85 V. Supply current limiter. For optimal noise and intermodulation suppression, we recommend an active antenna with a wide beam and LNA gain of maximum 10 dB.
 </columns>