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Radiated Signal Specifications
Operators must adhere to their country’s radio communications
regulations regarding radiated signal specifications, and receive
proper authorizations prior to operation. Consult company.
Output Radiated Power: 80 watts peak, 40 watts average
Operating Frequency Range: one of either 24-27 MHz or
40-44 MHz. Consult company prior to ordering (inquire about
other frequencies).
Modulation Format: Pulsed Swept Frequency, Pulse Width:
120-240 µs
Pulse Repetition Frequency: 4- 8 kHz
Duty Factor: 50%
Sweep Width: 150- 500 kHz (typical)
Sweep Repetition Frequency: 4 Hz
Total Radiated Signal Bandwidth: (at - 20 dB level) 160
- 510 kHz
Polarization: vertical
Transmit/Receive Antenna: SSRA 100-TR
Design: (three element DF) passive vertical
monopole,two crossed loops into preamplifiers
RF Connections: (to Receiver and Transmitter) Co-Ax; N and TNC
end connectors
Dimensions: (weatherproof RF box) 61H x 43W x 43D cm
(24H x 17W x 17D in)
Weight: 4.5 kg (10 lb)
Whip Height/Radial Element Lengths for 40-44 MHz version:
1.4m (4.6ft)/ 0.56m (1.8 ft),
Whip Height/Radial Element Lengths for 24-27 MHz version:
2.4m (8.0ft) / 1.2 m (4.0 ft)
SSRA 100TR Transmit/Recieve Antenna designed for mounting
on:
Antenna Support Post (below RF box): Height: 4m (12ft),
diameter ~6.5cm
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SSRA 100 - TR |
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Transmitter: SSTX 100
Input RF Drive Level: 0 dBm
Output RF Power Level: 100 watts peak, 50 watts average
Required Power: 120 VAC or 220 VAC; 50-60 Hz, 300 watts
(specify when ordering)
[New 24-volt DC version is available. Consult factory prior
to ordering.]
Design: (gated FET): modular; all solid state
Operation: Class AB
Dimensions: (single chassis): 13H x 49W x 53D cm (5.25H
x 19W x 21D in)
Weight: (single chassis) 15 kg (33 lb)
Receiver: SSRX 100-TR
Maximum In-band Input Level: +13 dBm (no damage)
Impedance: 50 ohm
Sensitivity: (noise level) -160 dBm in 1 Hz BW
Required Power: 120 VAC or 220 VAC, 100 watts (specify
when ordering)
[New 24-volt DC version is available. Consult factory prior
to ordering]
Design: modular, all solid state three-channel
Operation: I/Q homodyne
Output: digital data at 4096 16-bit words/second per
channel
Dimensions: (single chassis) 13H x 49W x 53D cm (5.25H
x 19W x 21D in)
Weight: 14 kg (30 lb)
[Optional GPS synchronization Feature: GPS Assisted Stability:
>.0001 ppm and 50 nsec on PPS]
Radial-Site Data Acquisition
System: SSDA 100
Computer: Desktop computer, Power Macintosh® G5
(Power PC 1.8 GHz) 256 MB RAM; 80 GB H.D. Laptop computer
available.
Specify when ordering.
Modem: (for dial-up only, not leased-line operation):
up to 28,800 BPS
Monitor: 17" color TFT
Keyboard: USB, extended
Software: One Radial Site Suite license
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| SSDA 100 |
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SSTX 100TR (top)
SSRX 100TR (bottom) |
Combine Station Data
Processing System: SSDP 100
Computer: Desktop computer, Power Macintosh® G5
(Power PC 1.8 GHz) 256 MB RAM; 80 GB H.D.
Modem: (for dial-up only, not leased-line operation):
up to 28,800 BPS
Monitor: 17" color TFT
Keyboard: USB, extended
Software: One remote-site software license
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SSDP 100 |
Complete 2-Site SeaSonde
Monitoring System
Consists of*:
2 - SSTX 100-TR Transmitters
2 - SSRX 100-TR Receivers
2 - SSTA 100-TR Transmit/Receive Antennas
2 - SSDA 100 Data Acquisition Systems (Radial Site)
1 - SSDP 100 Data Processing System (Totals Combining
Site)
Software & Licenses, All SeaSonde Software Listed
Below
SeaSonde®
Software Specifications
Output Surface Current Specifications
Surface Currents:
Maps of surface current vectors created from data taken
at two radar sites 10-20km apart.
Map Displays:
color monitor screen, laser-quality hardcopy, archived ASCII
vector files.
Map Spatial Resolution: (vectors on square grid) 500
x 500m typical spacing.
Map Area Coverage: 20 -30 km along shore x 15- 20 km
offshore
Map Temporal Interval: hourly; currents averaged over
one hour
Map Vector Accuracies: (rms; typical for normal environmental
speed: < 7 cm/s
conditions, i.e., noise/interference, siting, sea state), direction:
< 10°
Note: Wave and wind outputs are not available in this
band.
Data Communication: Automatic
modem transfer of current and wave data products supported by
software for dial-up lines and ethernet connections (recommended).
SeaSonde software and hardware support a variety of communication
protocols.
For more information on Communication Protocols,
please click here for a printable
PDF (40K)
Radial Site Software Suite
Program Name…
Function… Output
Sentinel… orchestrates control of all operations…
logs data events
SeaSonde Acquisition … radar data acquisition/processing…
unaveraged cross spectra
CSRAvnn… averages data over one hour… averaged
cross spectra
WaitForCSA… detects arrival of averages… triggers
hourly processing
Currents… calculates radial surface current map…
writes file radial.dat
Waves… inverts echo to get wave information…
wave spectral parameters
Archivist… archives data according to user selections…
archived data
MacController… housekeeping functions, data transfers
upon request
Combine Station Software
Suite
Program Name…
Function… Output
MacCentral… retrieves hourly files from remote sites…
radial current/wave data
WaitForRadials… detects arrival of radial files…
triggers total vector processing
Combine… calculates total currents… total current
vectors at map grid
SeaDisplay… prepare current map… current map
for monitor or printer
WaveDisplay… prepare wave data displays… wave
data plots
*These specifications are for the basic software for typical
real-time operational use. Many more applications are included
with the SeaSonde® for offline use.
* Last updated November 2003. Specification
and component details are subject to change. |
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