Applikationsbeispiel Funk: ARGOS Animal Tracking www.argos-system.org © Roland Küng, 2011
Satelliten mit System ARGOS 5 NOAA, 1 EUMET, Visibility 10 Minutes Polar Orbit: 14 Transitions/Day
Messprinzip ARGOS Location Precision: 150 m
Link Budget Link Budget: F = 5 dB S/N = 10 dB Operating frequency: 401.650 MHz ± 36 kHz Power output: 100mW output is standard Output impedance: 50 ohms Modulation Tri Phase PSK: ± 1.1 Rad ± 0.1 Rad Quiescent current: <3μA Spurious emissions: -45 dB Transmission interval: 45 to 120 sec Supply voltage: 3.6 - 4 volts (Option Solar) Operating temperature range: -15 to 45 Deg C Dimensions: L 2.45" (62) x W 0.87" (22) x H 0.58" (14.5) (mm) * Weight: 22 grams Link Budget: F = 5 dB S/N = 10 dB B = 100 kHz (720 bit/s, Doppler/Offset Tx) Gt = 0 dB, Gr = 20 dB d = 850‘000 m 10 mW reichen schon