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  9. KENWOOD ARGOS-3 PMT-K

ARGOS Products

KENWOOD ARGOS-3 PMT-K

KENWOOD ARGOS-3 PMT-K

The PMT is designed to communicate as a modem with the Argos satellite constellation. New capabilities include two-way communication, transmission of greater data volume and high data rate. It also operates as an Argos-2 transmitter.

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Features

BETTER TRANSMISSION MANAGEMENT

  • Reception of information broadcasts (Argos constellation status, orbital parameters, UTCtime…)
  • Satellite pass prediction and rendez-vous with satellites
  • Power saving, increased efficiency, longer lifetime

GREATER VOLUME OF DATA

  • 10 times more data in low data rate
  • 100 times more data in high data rate

HIGHDATARATE

  • 4800 bps high data rate channel with satellite acknowledgement

SECURED DATA COLLECTION

  • Message reception acknowledged by satellite
  • Argos-2 basic transmission as a back-up

PLATFORM REMOTE CONTROL

  • Platform tuning: change of data acquisition mission…
  • PMT tuning: transmission power, frequency, repetition rate…

INCREASED FLEXIBILITY & SIMPLICITY

  • Up to 8 Kbytes of data can be relayed to the PMT for transmission
  • Management of message coding and transmission protocol
  • A wide range of operating modes, including Argos-2 mode

Technical specifications

Transmission power
Low data rate: 0.5, 1 or 2W – High data rate: 5W
Carrier frequency on Argos-3
Low data rate: 401.630MHz to 401.680MHz (1kHz step)
High data rate: 401.59
Frequency stability
Short term: less than 1 x 10-9 /100ms
Medium term: less than 5 x 10- 9 /20min
Receiver frequency
465.9875MHz±15kHz
Received power
-128dBm/200 bps
-125dBm/ 400 bps
Required power supply voltages
+7V to + 14V (at 1W Low data rate Argos-2)
+13V to 14V (at 5W High data rate Argos-3)
Power consumption
Stand by: less than 0.1mA
Upon transmission:
Low data rate : less than 620 mA/7V
High data rate : less than 1200 mA/14 V
Upon reception: Less th an 85mA/ 7V
Temperature
Operating temperature:
-20 to + 50ºC
Storage temperature: -40 to +70°C
User interface
Serial interface (open collector) + control signal
(TX, RX, GND) 96 00 bps + control signal
RF connector
SMA female connector (TX,RX for common
use)
Dimensions (H x W x L)
25 mm x 80 mm x 60 mm
Weight
About 160g