Modem vệ tinh GOES/Meteosat kết nối Datalogger Campbell Scientific TX321

Thương hiệu: Campbell Scientific | Tình trạng: Còn hàng
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TX321 Transmitter for GOES or Meteosat

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Modem vệ tinh GOES/Meteosat kết nối Datalogger Campbell Scientific TX321

Overview

The TX321 is a GOES and Meteosat satellite data transmitter. It provides an easy and reliable way for Campbell Scientific data collection platforms (DCP) to transmit data over geostationary satellites. The TX321 is typically used by government agencies and sponsored research organizations for the purpose of collecting environmental data.

Benefits and Features

  • GOES High Data Rate Version 2, Meteosat SRD, and International DCS operation

  • Very low power consumption when idle (< 5 mA @ 12V)

  • Transmissions continue for 28 days if GPS is lost

  • Configuration and diagnostics easily performed by datalogger or computer

  • Drop-in replacement for Campbell Scientific TX320, TX312, and SAT HDR GOES

Detailed Description

The TX321 is designed for use on the NOAA GOES Data Collection System and the EUMETSAT Meteosat Data Collection Services satellite networks. These networks use geostationary satellites and ground stations to receive and relay data transmitted from remote data collection platforms (DCP), such as those provided by Campbell Scientific. These DCPs are typically owned and operated by government agencies and sponsored research organizations. Users are given a frequency and time slot for their transmissions.

Data Collection Platform (DCP) Equipment

  • TX321 Satellite Transmitter

  • 17992 or 31182 GPS antenna and their antenna mounts and coaxial cables

  • 25316 11 dBi Right-Hand Circular Polarized (RHCP) Yagi antenna and coaxial cable

  • Datalogger

  • Power supply, such as Campbell Scientific’s BP12 or BP24 battery, CH150 or CH200 charge regulator, and SP10 10 W or SP20 20 W solar panel

GOES System Authorization Procedure

Non-U. S. government agencies and research organizations must have a sponsor from a U.S. government agency. Prospective GOES users must receive formal permission from NESDIS, by doing the following:

  1. Fill out the System Use Agreement (SUA) application form. The form can be submitted online or sent to:

    GOES DCS SUA Processing Unit NOAA,
    Satellite Services Division
    4231 Suitland Road, Rm 1646
    Suitland Federal Center Suitland, MD 20746
    Tel: 301-817-4563
    Fax: 301-817-4569
    Email: Letecia.Reeves@noaa.gov

     

  2. Following approval, NESDIS sends a Memorandum of Agreement (MOA). The MOA must be signed and returned to NESDIS.

  3. After the MOA is approved, NESDIS will issue a channel assignment and an ID address code.

  4. NESDIS must be contacted to coordinate a start-up date.

Meteosat System Authorization Procedure

Complete and submit the EUMETSAT DCP Admission form.

Specifications

Transmissions Supported

  • Timed and random

  • ASCII and pseudo-binary message

Transmit RF Out Connector

Type N jack

Radio Module

G6 OEM

Operating Temperature Range

-40° to +60°C

Storage Temperature Range

-55° to +70°C

Case Dimensions

18.54 x 12.7 x 3.81 cm (7.3 x 5 x 1.5 in.)

Maximum Dimensions

20.96 x 13.34 x 4.06 cm (8.25 x 5.25 x 1.6 in.) including connectors

Weight

0.77 kg (1.7 lb)

Supply Power

Supply Voltage

10.8 to 16 Vdc

Typical Current Drain

  • < 5 mA (at 12 Vdc when idle)

  • < 100 mA (at 12 Vdc during GPS fix)

  • < 2.6 A (at 12 Vdc during transmit)

Connector

Removable 2 pin screw terminal, 5 mm pitch

Satellite GOES

Standards

NOAA/NESDIS GOES High Data Rate Certification Standards version 2

Baud Rates

300 and 1200 bps

Transmit Power

  • When transmitting to GOES-13 or later, transmit EIRP shall be 37 to 41 dBm for 300 bps and 43 to 47 dBm for 1200 bps.

  • Settings default for use with 11 dBi YAGI antenna

  • 31.5 dBm (300 bps default)

  • 37.5 dBm (1200 bps default)

  • 38 dBm (maximum)

Frequency Range

401.701 to 402.0985 MHz

Initial Frequency Stability

±20 Hz disciplined to GPS (GPS fix occurs after power up and once per day thereafter.)

Channel Bandwidth

  • 3 kHz (300 bps)

  • 1.5 KHzNOAA/NESDIS GOES High Data Rate Certification Standards version 2 (1200 bps)

Satellite Meteosat

Operation

EUMETSAT Meteosat SRD

Baud Rates

100 bps

Transmit Power

  • Meteosat SRD transmit EIRP should be 43.25 to 52 dBm.

  • Default configuration for use with 11 dBi YAGI antenna

  • 37.5 dBm (100 bps default)

  • 41.5 dBm (maximum)

Frequency Range

402.0355 to 402.4345 MHz

Initial Frequency Stability

±20 Hz disciplined to GPS (GPS fix occurs after power up and once per day thereafter.)

Channel Bandwidth

3 kHz (100 bps)

GPS Receiver

Receiver Type

3.3 V active

Connector

SMA jack

Timekeeping

Initial Accuracy

±100 μs (synchronized to GPS)

Drift

±10 ms/day (without GPS)

GPS Schedule

1 fix at power up (1 fix per day afterwards)

Transmission Continuation without GPS Fix

28 days

Interface Connectors

USB

Micro B, USB device

RS-232

DB9 F, DCE, 3 wire RS-232

CS I/O

DB9 M, SDC 4

Satellite RF Transmit Out

Type N jack

GPS

SMA jack

Power

Removable 2 pin

Interface Command Protocols

Binary Command Protocol

  • Available on CS I/O when connected

  • Available on RS-232 if CS I/O is not connected

ASCII Command Protocol

Available on all ports

25316 Transmit Antenna

Gain

11 dBi

Antenna Type

Right-hand circular polarization Yagi

Connector

Type N female

Wind Load

~100 knots

17992 GPS Antenna

Antenna Type

3.3 V active dome, pipe mount

Gain

28 dBi

Connector

TNC jack

31182 GPS Antenna

Antenna Type

3.3 V active patch, magnetic mount

Gain

27 dBi

Connector

SMA plug

Download

Brochures

TX321 GOES and Meteosat Satellite Data Transmitter

Manuals

TX321 Transmitter

Compliance

TX321-M EU Declaration of Conformity

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