L-band hardware

Required for L-band MSG LRIT/HRIT, GOES LRIT and MTSAT LRIT/HRIT reception. Click here to see the areas covered.

1.2m, 1.8m, 2.4m, 3.0m or 3.7m parabolic dish

• Solid powder-coated aluminium (1.2m, 1.8m) or glass-fibre reinforced precision compression moulded polyester (solid aluminium optional at extra cost) reflector with three segments (2.4m) or eight segments (3.0m, 3.7m).
• Supplied with galvanised steel azimuth/elevation mount and pedestal, and up to 100m of RG213 50Ω co-axial cable.

Feed, LNA and downconverter

• Feed horn (1.2m, 1.8m) or scalar feed horn (2.4m, 3.0m, 3.7m) with N-type output to downconverter.
• LNA/downconverter designed for harsh radio environments with pre-select filter to reduce cellular phone and radar interference.
• Low noise figure of 1.2dB (92K) typical.
• Weatherproof O-ring sealed machined case and connectors.

Left: 3.0m/3.7m L-band dish antenna and LNB; Right: 1.2m/1.8m/2.4m L-band dish antenna and LNB

Left: L-band LNA/downconverter; Right: L-band scalar feed (2.4m/3.0m/3.7m dishes)

USB LRIT receiver

• High-quality, low-cost receiver for LRIT transmissions from MSG direct broadcast, GOES and MTSAT.
• Housed in a sleek, compact, durable extruded aluminium case with styled ABS bezels.
• USB interface for fast, reliable data transfer to the host computer.
• Fully software controlled, with detailed status reports available.
• Built-in time-stamped fault logging.
• 20-LED real-time signal level display for easy dish alignment and operational signal monitoring.
• Status LEDs for LNB power, signal lock, USB ready, control communications, data buffer status and frame synchronisation.
• Available with 70MHz or 137.5MHz fixed frequency RF input, or 950–1450MHz tuneable RF input.
• Adjustable RF attenuator to accommodate LNB signal inputs between –15dBm and –75dBm.
• Supports QPSK and BPSK demodulation.
• Built-in hardware Viterbi decoding.
• Supplies power to the LNB via the RF input.
• Powered by an external switch mode PSU (supplied).
• DC–DC converter PSU also available for battery or portable operation (input 10.6–15V DC).
• Can be supplied without a dish antenna or LNB for upgrading WEFAX systems if existing components are suitable. Please contact us to discuss this.

Dartcom USB LRIT receiver

USB LRIT/HRIT receiver rack

• High quality, high performance, professional grade receiver for LRIT and HRIT transmissions from MSG direct broadcast, GOES and MTSAT.
• Available in LRIT, HRIT or combined LRIT/HRIT configurations.
• Rugged 4U-high 19" rack.
• Plug-in modules for ease of maintenance and to allow for future upgrades.
• USB interface for fast, reliable data transfer to the host computer.
• Fully software controlled, with detailed status reports available.
• Comprehensive LED and character matrix status displays and diagnostic points on the front panel.
• Supplied with up to two state-of-the-art multi-mode DSP receiver modules and frame formatter modules.
• Each receiver module supplies power to the LNB via its RF input.
• Supports QPSK, BPSK and PSK demodulation.
• Built-in hardware Viterbi decoding.
• Rack or desk mount versions available.
• Powered by 100–240V AC mains, 50–400Hz.
• Upgradable to support HRPT or AHRPT/LRD by purchasing additional plug-in modules together with a tracking antenna system and associated ingest software.

Dartcom USB LRIT/HRIT receiver rack