Telecommunications & Navigation

Telecommunications & Navigation Platforms

Surrey's telecommunication and navigation products have been designed to fill the market requirement for cost-effective, rapid-response small geostationary spacecraft providing solutions for filing protection, service start-up, capacity augmentation, and technology demonstration.

Our product range can offer a wide range of mission solutions, including:
  • Ku- and C/Ku-band
  • Mobile and military comms
  • Ka-band
Our platform designs deliver low CAPEX, low-cost launch, and low-cost operation.

GEO Product Range

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Common Avionics Across the Full Range
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Transfer Variant

Compatible with a wide range of launch vehicles:


  • Ariane 5
  • Zenit
  • Falcon 9
  • Soyuz
  • Proton

Surrey has developed the GMP-T platform with a central thrust tube and modular propulsion tanks (700, 760, 815 or 863 liter).

The platform has been designed to maximize capacity and performance and accommodates either industry standard or custom-built payloads.

Key Platform Characteristics

Design life

up to 15 years*

Payload power available

Up to 5 kW (7 KW)

Payload mass accommodation

Up to 450 kg (700 kg)

Delivery schedule (recurrent)

24-28 months**

Flexible antenna accommodation

Top deck of 2 m x 1.7 m
Deployed up to 2.6m diameter - F/D of 1.2

* Plus 1 year for launch insurance purposes
** On ground delivery: schedule affected by payload delivery schedule

GMP-T Stacked

Key Platform Characteristics

Design life

up to 15 years*

Payload power available

Up to 3.2 kW

Payload mass accommodation

Up to 200 kg

Wet mass

1800 kg

Stacked wet

3600 kg
 * Plus 1 year for launch insurance purposes


Externally load bearing structure

  • Tremendous saving of launch cost due to compact size
  • Scalable solution that covers a range of power
  • Choice of mission solution, without the need of extensive qualification campaign or significant NRE
  • Compatible with single stack or dispenser configuration

  • The structure can be launched using spare space of a primary mission.


Adaptor upper stage flight opportunity

A novel satellite platform designed to utilize the unused launch vehicle capacity, while providing state-of-the-art approaches to manufacturing and propulsion.  

Download GMP-A brochure