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ANIMATE

ANIMATE. Telemetry Meeting. ORBCOMM. Packet oriented data transfer Packet size < 300 byte recommended a stable end-end link is not required no real time data transfer possible Run Time (April-August 2002 one Message /Day) max. delay 445h average delay 67h

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ANIMATE

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  1. ANIMATE Telemetry Meeting ANIMATE Telemetry Meeting

  2. ORBCOMM • Packet oriented data transfer • Packet size < 300 byte recommended • a stable end-end link is not required • no real time data transfer possible • Run Time (April-August 2002 one Message /Day) • max. delay 445h • average delay 67h • median 5,7h • Run Time in November: • max. delay 3.985h • average delay 0.140h • median 0.024h ANIMATE Telemetry Meeting

  3. ANIMATE Telemetry Meeting

  4. ORBCOMM Hardware • Panasonic Transceiver KX-G7100 / KX-G7101 used • 2m Band / ~137MHz • Antenna cable length up to 50 m • Different Antennas available • Current consumption @24V (KX-G7100 / KX-G7101): • sleep 1.2mA / 1.2mA • receive 35mA / 120mA • send 600mA / 700mA ANIMATE Telemetry Meeting

  5. IRIDIUM • Online Connection, not packet oriented • Bidirectional real time data transfer • Very stable Connection • Reliable access / good satellite coverage • Online Prices compare able to GSM 1.5€/min Voice, 0.5€/min Data • Iridium Modem ~1000€ / Handy ~3000€ • Data rate 2400 bps, but stable • Iridium tested for 5 Weeks (NAL modems) on Poseidon north of Island • E-Mail purposes on Uni-Bremen Mail server • login every Day 2 to 5 times / every time login at first attempt • SMS like Data Service available (yet no experiences) ANIMATE Telemetry Meeting

  6. Iridium Hardware • Handy’s and Modems available • Frequency 1,6GHz • NAL Modem Power consumption @5V • receive 150mA • sending 300mA • short antenna cables required < 5m • Different antennas available (Mast- Magnetic mount- Antenna etc.) • Handy’s with modem Adapter available and reliable ANIMATE Telemetry Meeting

  7. ANIMATE Telemetry Meeting

  8. ANIMATE Telemetry Meeting

  9. Nutrient Analyser NAS-2E • Serial Interface: RS232 • Data will be sent as an online data stream • Data Format • S-NO3-SW ALG 14:47:39 3 3.758 12.513 1 4.096 14:50:38 4 1.757 12.513 1 4.096 • No commands possible • A data logger is necessary to record all the data and to create the data packets for transmission ANIMATE Telemetry Meeting

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