Mobile Air Relay Antenna (MARA) - Flying Local Area Network (FLAN)

LOW-PROFILE, OMNIDIRECTIONAL ANTENNA

The L3Harris MARA-FLAN antenna is a variant of the recently released MARANEXT antenna and the next generation of the highly successful MARA-LITE antenna currently deployed with special operations forces (SOF).

Operating in the 1300-2600 megahertz L/S band, the new MARAFLAN antenna supports intelligence, surveillance and reconnaissance (ISR) video and voice communications when:

  • Operating within flying local area networks
  • Communicating with ground forces
  • Communicating with applicable right hand circularly polarized (RHCP) satellite systems

Like its predecessor, the MARAFLAN antenna creates a hybrid polarization using linear and RHCP elements to create a threedimensional hemispherical pattern with full 360 degree azimuthal and 180 degree elevation coverage. With full azimuthal and elevation coverage, the aircrew can maintain clear line-of-sight communications without regard to aircraft attitude. The hybrid polarization allows users to communicate with RHCP satellite systems such as Inmarsat, Iridium and others.

The MARA-FLAN antenna operates in the same frequency bands as various global navigation satellite systems (GNSS) for ascertaining global positioning data.

 

MARA FLAN

MARA-FLAN

With a power rating of 50 watt, the MARA-FLAN antenna can be deployed with a power amplifier to extend the range of communications. The MARA-FLAN is a drop-in replacement for the current FLAN antenna. It has a similar “blister” profile and maintains the same mounting hole pattern and connector location. It’s low profile height (3.2 inches) eliminates the need for extensive aerodynamic computational fluid dynamics (CFD) analysis. The MARA-FLAN offers excellent performance in a low size, weight and power (SWaP) package.

SPECIFICATIONS

MODEL FA-00601-01
Electrical specifications  
   Frequency range 1300-2600 MHz
   Peak efficiency 80%
   Peak gain 5 dB
   VSWR Less than 1.9
   Impedance Hybrid (linear/RHCP)
   Polarization 50 W
   Maximum input power  
Mechanical  
   Size 10.5in l x 3.3in w x 3.2in h
   Weight 1.6 lbs
   Connector TNC (F)
   Top attach 8X SS316 bushings 0.218in clearance holes
   Radome Chemically resistant, high-impact plastic (white)
   Housing 6061-T6 MIL-DTL-5541, Cl 1A
Future qualification testing  
   MIL-STD-810G 501.6 Storage Temperature, High (85 C) 502.6 Storage Temperature, Low (-55 C) 507.6 Humidity, Procedure II (Aggravated, 10 days) TBD

 

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