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SAT ARGOS
INSTRUCTION MANUAL
7/01
COPYRIGHT (c) 2000-2001 CAMPBELL SCIENTIFIC, INC.

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Summary of Contents for Campbell SAT ARGOS

  • Page 1 SAT ARGOS INSTRUCTION MANUAL 7/01 COPYRIGHT (c) 2000-2001 CAMPBELL SCIENTIFIC, INC.
  • Page 2 This is a blank page.
  • Page 3 Warranty and Assistance The SAT ARGOS is warranted by CAMPBELL SCIENTIFIC, INC. to be free from defects in materials and workmanship under normal use and service for twelve (12) months from date of shipment unless specified otherwise. Batteries have no warranty. CAMPBELL SCIENTIFIC, INC.'s obligation under this warranty is limited to repairing or replacing (at CAMPBELL SCIENTIFIC, INC.'s option) defective products.
  • Page 4 This is a blank page.
  • Page 5: Table Of Contents

    2.3.5 When to Execute P125 ..............5 2.4 Program Example..................5 3. SAT ARGOS Configuration ........7 3.1 SAT ARGOS Power Supply ..............7 3.2 Pttcomm.exe..................... 7 3.2.1 Loading the Configuration to the PTT ........... 8 4. Satellite Orbit Patterns ..........8 5.
  • Page 6 This is a blank page.
  • Page 7: Overview

    16 Campbell Scientific data points. Data must be decoded by the user, or Service Argos will decode the data for a fee. The SAT ARGOS PTT supports up to four Argos ID numbers. Message repeat intervals, Argos ID numbers and duty cycles can be changed with a simple-to- use computer-based interface.
  • Page 8: Physical

    SAT ARGOS 1.1 Physical The SAT ARGOS PTT is housed in an aluminum enclosure measuring 3” x 2.75” x 1” . There are two electrical connections. The DB9 port connects to the datalogger CS I/O port. The SMA female port connects to the 50 ohm impedance antenna.
  • Page 9: Programming The Datalogger

    The SAT ARGOS can hold up to four data packets. Each data packet is transmitted as a single message. High resolution data points are four bytes, but high resolution data are not supported by the P125 SAT ARGOS program instruction.
  • Page 10: Datalogger Instruction 125

    SAT ARGOS each, total of 32 data points, the PTT will alternate between each data packet. If you send four data packets, the PTT will send packet one, wait the repeat interval, send packet two, wait the repeat interval, send packet three, wait the repeat interval, send packet four, wait the repeat interval, and start over with packet one.
  • Page 11: Using Result Codes In The Program

    SAT ARGOS 2.3.4 Using Result Codes in the Program After P125 has executed, check the result codes. If the result code is greater than or equal to two, execute P125 again. Recheck the result code on the next pass of the program table. Example Algorithm:...
  • Page 12 5: Sample (P70) 1: 13 Reps 2: 3 Loc [ Start_1 ] ; If top of the hour, transfer all new data to the SAT ARGOS transmitter 6: If time is (P92) 1: 0 Minutes (Seconds --) into a 2: 60...
  • Page 13: Sat Argos Configuration

    The SC532 will not work in place of the SC532A. 3.2 Pttcomm.exe Included with each SAT ARGOS is a 3.5 inch diskette. The information on the diskette should be copied to a computer. Load the diskette in the floppy disk drive and execute “...
  • Page 14: Loading The Configuration To The Ptt

    (SC12). Before you apply power, you should have a dummy load or antenna connected to the RF output of the SAT ARGOS. Do not apply power to the SAT ARGOS yet. Make the following connections: 1) PTT to SC532A using the SC12 ribbon cable.
  • Page 15: Antenna Placement

    SAT ARGOS provides coverage each pass. Each satellite passes over the poles 14 times a day providing 28 satellite passes per day. Coverage decreases with latitude. At the equator the PTT will “ see” a satellite six or seven times a day.
  • Page 16 SAT ARGOS This is a blank page.

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