ORBIT FR GALILEO, GPS User Manual

Download

Page 1

Professional GALILEO/GPS Terminal Antennas

END-USER APPLICATION

> Main use:

• Ground segment portable antenna for professional

applications covering GALILEO E5, E6, L1 bands and GPS L5, L2, L1 bands

> Delivered documents:

• Measured return loss

• Measured radiation pattern

Phase center calibration report

•

> Related standards:

• IEC 60068-2/14; -2/6; -2/64; 2/32

• EN 55022

• IEC60529

> Optional services:

• Maintenance

• Dedicated ﬁ lters for custom GALILEO and/or GPS

sub-bands

• Speciﬁ c radome and mechanical support

Typical 3D radiation pattern

➊ TECHNICAL PERFORMANCE

• Excellent phase center and group delay stability

• Optimized multi-path immunity

• Stable radiation pattern

• Reduced ohmic losses (< 1.2 dB)

• Tri-frequency version available

(separated Galileo E5/GPS L5 band, Galileo E6 band and Galileo L1/GPS L1 sub-bands)

➋ DESIGN

• Reduced accommodation (easy to install

on top of a mast)

• Lightweight (980 g), easy to transport

• Sealed radome and environmentally robust

design (resists temperature, shocks and vibrations)

• Dedicated ﬁ lters for out-of-band rejection and

dedicated LNA for pre-ampliﬁ cation

This portable Galileo antenna has been

designed under the GARDA contract

with the Galileo Joint Undertaking

(GJU).

Page 2

ENVIRONMENTAL TESTING:

• Thermal cycling test performed according to the norm IEC 60068-2-14.

• Sine vibration test performed according to the norm IEC 60068-2-6.

• Random vibration test performed according to the norm IEC 60068-2-64.

• Free fall test performed according to the norm IEC 60068-2-32

Electrical characteristics

Part number ANTE 005-A

Operational frequency bands B1 Galileo/GPS: 1575.42 ± 20.46 MHz

(GPS L1 C/A, GPS L1 P(Y), GAL L1F, SBAS L1)

B2 Galileo/GPS/GLONASS: 1227.60 ± 61.38 MHz (GPS L5, GPS L2C, GPS L2 P(Y), GAL E5a,

GAL E5b, SBAS L5, GLO L2 C/A, GLO L2 P, GAL E6C)

Option: reduced B1 and/or B2 bands

Polarization* Right hand circularly polarized

Coverage* Maximized within a conical coverage up to 85 degrees from zenith

Gain antenna (without LNA)* > +5 dBi at zenith

> 0 dBi from 25 deg to 90 deg elevation > -6 dBi from 5 to 25 degrees elevation < -6 dBi below 5 degree elevation

Gain* LNA gain > 25 dB

Gain antenna with LNA > 30 dB

Axial Ratio* < 7 dB between 5 and 10 degrees elevation

< 5 dB between 10 and 30 degrees elevation < 3 dB between 30 and 60 degrees elevation < 2 dB above 60 degrees elevation

Phase center knowledge accuracy* Within 5 mm radius

Phase center stability < 0.5 mm radius for E5 and E6 Galileo, L5 and L2 GPS

< 1.0 mm radius for L1 Galileo, L1 GPS

Group delay variation < 6 ns for E5 and E6 Galileo, L5 and L2 GPS at ﬁ xed temperature

< 14 ns for L1 Galileo, L1 GPS at ﬁ xed temperature

Group delay stability* < ± 300 ps at a given frequency point over temperature

Signal to noise density ratio* C/No ≥ 35 dBHz at E5, E6 or L1 Galileo and L5, L2, L1 GPS reference conditions

LNA 1dB compression point* ≥ 18 dBm

LNA Output 3

LNA Burn-out protection (CW)* Antenna system able to withstand with no damage an in-band +20 dBm CW signal

LNA Burn-out protection (In-band Pulse)* Antenna system able to withstand with no damage an in-band

pulsed interference with the following characteristics:

• Pulse peak power: +30 dBm

• Pulse max width: 1ms (max duty cycle of 10%)

order intercept* ≥ 20 dBm

> Positioning

(*) Applicable to each of the Galileo and GPS frequency bands (Galileo E5, Galileo E6, Galileo L1, GPS L5, GPS L2 and GPS L1)

Page 3

Typical measured directivity

Functional & environmental characteristics

Part number ANTE 005-A

Antenna input impedance 50 Ohms

Supply voltage 5 V (supplied through the RF cables)

Power consumption ≤ 1.0 Watt (total power consumption)

Output VSWR Better than 1.7:1

Emitted radiation The antenna system radiated emission is compatible

with [EN-55022] recommendations

Conducted EMC The antenna system conducted emission is compatible

with [EN-55022] recommendations

Temperature range Tested to IEC 60068-2-14 edition 1986 test Nb for thermal cycling

Operation range: -40°C to +60°C Storage range: -55°C to +85°C

Wind/other Able to withstand wind and blast conditions < 200 km/h

Humidity Able to operate between 0% and 100% humidity

Immune to rain under storm conditions Waterproof, compliant to IEC60529 Classiﬁ cation IP66

Pressure The antenna system works properly with an equivalent

air pressure condition of 3000 m altitude

Radiation Able to withstand UV and other radiation

Radome protection Radome composed of epoxy resin (60%) and glass ﬁ bers (40%) with a polyurethane coating

Shock and vibration Tested to IEC 60086-2-6 (Sinusoidal vibration),

Tested to IEC 60086-2-64 edition 1993 (random vibrations) Tested to IEC 60086-2-32 edition 1975 (free fall)

Lightning protection The antenna is protected from static electricity and lightning induced

current surges of up to 6000 A

Page 4

Mechanical characteristics

Part number ANTE 005-A

Dimensions (diameter x height) 150 mm x 110 mm

Weight (approx) 1 kg

Connector 2 x N Female (B2 and B1 ports) Option: 1 x N Female (B2 + B1 port)

Radome coating Polyurethane

Color White

Ingress protection Alodine 1200 according to MIL-C 5541 E class 3 for coating treatment

Operating temperature -40°C to +60°C

Mechanical drawing Mechanical interface

150 mm 130 mm

114 mm

127 mm

Ø38

M4 x 8

> Positioning