Summary

The NewSpace Systems (NSS) NGPS-01-422 GPS Receiver is a 12-channel, hardware-based receiver which utilises a well-established GPS chipset. This GPS chipset has been successfully flown by a number of organisations over many years. Targeted towards low-cost SmallSat constellations, it has been adapted for space altitude and velocity through the use of custom software modifications.

The NSS NGPS-01-422 GPS Receiver includes an unregulated, isolated 28 V power input and differential interfaces. It employs latch-up detection/ protection and a watchdog timer for increased reliability and robustness.

If required by the client, the NSS team can also supply an active GPS patch antenna with the receiver. Additionally, the GPS circuitry at the heart of the receiver can also be deployed as a single mezzanine board to accompany the NSS CubeSat ACS board or as a stand alone boxed or unboxed version for CubeSats.

The COTS chipset utilised in the NSS NGPS-01-422 GPS Receiver has been flying for more than a decade. To date, more than 30 units of the NGPS-01-422 and NGPS-03-422 GPS Receivers have been delivered globally.

Key features of the NSS NGPS-01-422 GPS Receiver solutions include:

  • Hardware receiver
  • 12-channel L1 receiver
  • Small size and low mass
  • Radiation tolerant COTS
  • Simple to interface

NSS GPS receivers can be used for a number of applications, including:

  • Accurate determination of orbital position
  • Accurate knowledge of time
  • Orbit maneuvers
  • Time and/or position stamping of payload data

All FM parts undergo random vibration (10 rms) as well as thermal cycling (four cycle ambiant pressure) to five degrees beyond operational thermal specifications. NSS can perform additional environmental testing if required by a client.

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Last updated: 2021-09-07

NGPS-01-422 GPS Receiver

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Specs

9TRL
mass
< 500 g
length
155 mm (excluding connector)
width
76 mm (excluding connector)
height
34 mm (excluding connector)
position accuracy (1σ)
< 10 m
velocity accuracy (1σ)
< 25 cm/s
update rate
1 Hz
operating frequency
L1 (1575.42 MHz)
power consumption
1.5 W (excluding active antenna)
power supply
24 to 36 V DC unregulated (isolated)
thermal (acceptance)
-10 to 50 C
mechanical vibration
14 gRMS (random)
data interface
RS422 UART
connector type
SMA Female (antenna)
D-Sub standard density 9-pin (power)
D-Sub high density 26-pin (communication)
radiation tolerance
10 krad (component level)

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