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Table of contents for the manual
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Page 1
1 42G1215A-XT -1-2 and 42G1215A-XT -1-3 OM-20000154 Rev 1 December 2013 ANTENNA GUIDE The 42G1215A-XT -1-3 and 42G1215A-XT -1-2 are active antennas designed to operate at the GPS L1 and L2 frequencies, 1575.42 and 1227.60 MHz and across the L-Band from 1525 to 1560 MHz. The antennas are aircraft certified for navigation. This guide provides the inf[...]
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Page 2
2 3. Attach the antenna to the surface using the four mounting screws supplied. The o-ring will compress and create a seal between the surface and the antenna. Ref. # Description 1 Antenna 2 Countersink screws 3 Mounting surface 4 O-ring 5 Pre-drilled mounting holes 4. Remove the dust cap from the antenna’s TNC connector . 5. Attach the male TNC [...]
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Page 3
3 The graphic above shows examples of where the 42G1215A-XT -1-3 and 42G1215A-XT -1-2 antenna may be located on an aircraft or vehicle (not to scale). ANTENNA CARE The 42G1215A-XT -1-3 and 42G1215A-XT -1-2 are designed to withstand the elements, including rain, snow and dust. However , to ensure your antenna performs optimally , keep the radome cle[...]
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Page 4
4 SPECIFICA TIONS RF 3 dB pass band (typical) L1:1575.42 ±12 MHz L2:1227.60 ±12 MHz LB:1542.50 ±17.5 MHz Out-of-band rejection 40 dBc Gain at zenith ( = 90°) (min) L1:+4.1 dBic, L2:+3.9 dBic, LB: +5.7 dBic Gain roll-off (zenith to horizon) L1/LB: +8 dB, L2:+8 dB LNA gain 42G1215A-XT-1-2: 33 dB ±3 42G1215A-XT-1-3: 40 dB ±3 Polariza[...]
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Page 5
5 ELEV A TION GAIN P A TTERNS 0 L-Band: Max 5.7 d B L1: Max 4.1 d B L2: Max 3.9 d B L-Band Peak Gain: 5.7 dB L1 Peak Gain: 4.1 dB L2 Peak Gain: 3.9 dB[...]
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Page 6
6 MECHANICAL DRA WINGS ARP Dimensions are in inches followed by [mm] HEIGHT 0.788” [20.00][...]
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Page 7
7 PHASE CENTRE Please refer to the Mechanical Drawings before reading this section. HEIGHT = V ertical phase centre offset from antenna reference point or antenna reference plane (ARP), see the MECHANICAL DRAWINGS section of this guide. For relative offset numbers and phase centre variation (PCV) tables, please visit the U.S. National Geodetic Surv[...]
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Page 8
8 W ARRANTY P OLICY NovAtel Inc. warrants that its Global Positioning System (GPS) products are free from defects in materials and workmanship, subject to the conditions set forth below , for the following periods of time: GPSAntenna™ Modules: One (1) Y ear from date of sale Cables and Accessories: Ninety (90) Days from date of sale Date of sale [...]