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Introduction
The Challenge
Military users need to command widely dispersed forces in
austere environments without the delay of deploying terrestrial
infrastructures. UHF TACSAT channels are in short-supply and
expensive.
The Requirement
To increase the number of TACSAT channels for voice and data
over tactical, theatre and strategic distances using existing
tactical radios with their in-built encryption.
The Solution
SlingShot™ - Spectra’s small, lightweight external appliqué for
military radios, allows low-latency voice and data regional
communications with the additional option of connecting to an
out-of-theatre rear based command node.
AND
L-TAC - Inmarsat’s communications network provides L-band to
L-band Beyond Line of Sight communications from a global
constellation of geostationary satellites.
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Solution Overview
SlingShot™
L-TAC
• Supplement UHF TACSAT channels with L-band TACSAT Channels
• Variants:
• Manpack
(Inmarsat I-4 Satellites)
• Narrow Beams, Regional Beams, Generated Beams
• Vehicle
• Lease airtime for a minimum of 1 month
• Marine
• Based on 25kHz channel (1 x Wideband or 5 x ANDVT nets)
• Aviation
• Data – Throughput depending on channel and radio
• UHF
• C-band antenna in user HQ (out of area) can be connected to the Radio Net
• VHF
• Antennas
• Manpack (Omni)
• Vehicle (Omni) (Land / Marine)
• Directional (Regional Beam)
• Input Frequency – Fixed offset automatic by translator
• Tested Radios to date
• Harris - PRC 117F (Wideband Voice/ANDVT, HPW
and ViaSat Data)
• Harris - PRC 117G (Wideband Voice)
• Harris - PRC 152 (Wideband Voice)
• Harris - RF5800M-HH (Wideband Voice, IP Voice)
• Thales - PRC 148
• Supported by 24/7 NOC
• Inmarsat Type Approved
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Technical Specifications
SlingShot Appliqué
Temperature Range:
Operational -26 to +58oC
IP Rating:
IP 67
Enclosure:
Machined aluminium to withstand short immersion
Size:
170 x 88 x 29 (mm)
Weight:
500g
SlingShot Appliqué
Manpack Power
Cable utilising in-service batteries (e.g. MBITR / 117 Type)
SlingShot PSU
Voltage Input Range:
12 to 24VDC
Voltage Outputs:
7.2V and 24V
Connections:
DC Input from supply
Output to Slingshot™ transceiver
Enclosure:
Machined aluminium to withstand short immersion
IP Rating:
IP 67
Mounting:
Flange mounting with 4 x M4 clear holes
Size:
120 x 90 x 60 mm
Weight:
400g
SlingShot PSU
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Antennae
Type
Use
COTM
COTP
COTH
Dimensions
(mm)
146
Vehicle omni (active)
✔
✔
✔
72mm
72
149
Marine omni (active)
✔
✔
✔
142
149
✔
Land directional (passive)
✔
135
81
Manpack omni (half active)
✔
✔
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✔
122
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L-TAC / SlingShot
Single Beam Radio Net including C-Band
Customer
Site
SlingShot Marine
SlingShot Vehicle
Antenna
SlingShot
Tactical Radio
L-Band Receive
L-Band Transmit
- Band
Spectra NOC
Team A
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L-TAC / SlingShot
Point to Point Radio Link in Different Beams including C-Band
SlingShot Marine
Customer
Site
SlingShot Vehicle
Antenna
SlingShot
Tactical Radio
L-Band Receive
L-Band Transmit
C-Band
Beam A
Beam B
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L-TAC / SlingShot
Radio Net to Radio Net in Different Beams Double Hop
SlingShot Marine
SlingShot Vehicle
Inmarsat
SAS
Antenna
SlingShot
Tactical Radio
L-Band Receive
L-Band Transmit
C-Band
Beam A
Beam B
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EMEA Coverage
Narrow Beam - between 750 - 1000Miles
Regional Beam - circa 2000 Miles
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Features and Benefits
Features
Benefits
•
Designed for Inmarsat I-4 constellation
•
Proven worldwide connectivity
•
Complements existing military capacity
•
End users can prioritise traffic access
between military and commercial
platforms
•
Utilises Narrow Beams, Regional Beams,
Generate Beams
•
Maximum flexibility in high tempo
operations
•
Lease airtime for a minimum of 1 month
•
Excellent cost optimisation
•
Based on 25kHz Channel
•
1 x Wideband or 5 x ANDVT nets
•
Global coverage using C-band
•
Antenna in User HQ (out of area) can be
connected to the radio net
•
Data throughput depending on Channel
and radio
•
HPW and ViaSat proven up to 56kbps
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Questions
Contact Details:
T:
+44 (0)845 2600 444
M: +44 (0)773 8088 018
E: s.taylor@spectra-group.co.uk
W: www.tacsat.net
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