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SeaSondeModel SSRS-100 -Remote Unit System

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Operators must adhere to local radiated signal regulations and receive proper authorizations prior to operation. Licenses should be obtained by system operator/owner prior to transmission. System can be manufactured to be tuned for operation at user-specified frequency, which can be one of the authorized oceanographic radar bands as defined by ITU, or any other band authorized by presiding local authority. Transmitted signals are within the latest ITU guidelines for oceanographic HF radar.

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SeaSonde Remote Unit Components†

  • 1 Transmit Antenna Assembly (SSTA) & 1 Receiver Antenna Assembly (SSRA) OR,
  • 1 Combined Transmit-Receive Antenna Assembly (SSTR) (avail. for frequencies 11.5 MHz and higher)
  • 1 Transmit Cable & 1 Receive Antenna Cable Set OR,
  • 1 Combined Transmit-Receive Antenna Cable Set (avail. for frequencies 11.5 MHz and higher)
  • 1 SeaSonde Receiver Chassis (SSRX)
  • 1 SeaSonde Transmitter Chassis (SSTX)
  • 1 Radial Site Data Acquisition System (SSDA 100)
  • 1 Electronics Interconnector Cable Kit
  • 1 Set Operator Instruction Manuals, PDF format
  • One Year Manufacturer’s Warranty
  • Base components only: review Remote Unit
  • Configuration Options inside this specification sheet.
  • Output Radiated Power: 80 W peak, 40 W average
  • Operating Frequency Range:
  • Electronics: 4.4 – 50 MHz (select specific frequency for filter tuning)
  • Antennas: Select a frequency between 4.4-50 MHz
  • Modulation Format: Pulsed Swept Frequency CW (FMiCW)
  • Sweep Width: 12-300 kHz (typical)
  • Pulse Repetition Frequency: 514 - 8224 Hz
  • Sweep Repetition Frequency: 1-4 Hz Total Radiated Signal Bandwidth: (at -20dB level) 65-200 kHz
  • Polarization: Vertical
  • System Power Requirement (transmitter, receiver & computer): 350 watts (24V DC ver.) or 500 watts (120-220 VAC)

Transmitter Chassis: SSTX

  • Input RF Drive Level: 0 dBm
  • Output RF Power Level: 100 watts peak, 50 watts average
  • Power Requirements: 300 watts; 110 watts for 24VDC ver. (select one when ordering): 120 V AC,  50-60 Hz, or 220 V AC, 50-60 Hz, or 24 V DC
  • Design: (gated FET) modular; solid state
  • Operation: Class AB
  • Dimensions: (single chassis) 19” rack mountable, 3U tall; 13H x 49W x 53D (cm)
  • Weight: 15 kg
  • Temperature Range (ambient): 0° F (-18° C) to 90°F (32° C)
  • Internal Temperature Sensor
  • Maximum Humidity: 80% non-condensingg

RECEIVER

Receiver Chassis: SSRX

  • Maximum In-band Input Level: 0 dBm
  • Receiver Channel Impedance: 50 ohm
  • Sensitivity (noise level): -166 dBm in 1 Hz BW
  • Power Requirements: 100 watts; (select one when ordering): 120 V AC, 50-60 Hz, or 220 V AC, 50-60 Hz, or 24 V DC
  • Design: modular, solid state, three-channel
  • Operation: I/Q homodyne
  • Output: USB digital output; digital data at 4096 16-bit/second per channel
  • Dimensions: (single chassis) 19” rack mountable, 3U tall; 13H x 49W x 53D (cm)
  • Weight: 14 kg
  • [ Optional “SHARE” GPS-enabled modulation multiplexing synchronization feature: GPS-assisted stability: 10 ns. PPS resolution: 0.1 ns ]
  • Temperature Range (ambient): 0° F (-18° C) to 90°F (32° C)
  • Maximum Humidity: 80% non-condensing
  • Internal Temperature Sensor
  • System Requirement: AC Power Conditioning via Uninterruptable Power Supply (UPS). Minimum recommended
  • UPS capacity: 1500 VA (1050 Watt)