Simrad Pole Mount, For GS25/ZG100/POINT-1 GPS/Heading Sensors
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Overview
The Simrad 000-11148-001 is a pole mount for installing GS25, ZG100, and POINT-1 GPS and heading sensors where they have a clear view of the sky and less deck-level interference. It supports the standard 14-threads-per-inch pole-mount pattern used by these sensors, so you can mount them on a dedicated mast or antenna-style pole instead of a flush or surface location.
On most boats, a pole mount makes the most sense when you are dealing with a hardtop, T-top, radar arch, or a crowded console where the sensor would otherwise sit too close to antennas, radar, or other electronics. Raising the sensor can also help keep heading performance steadier at low speed, which matters when you are using chart stabilization or radar overlay.
Key features
- Fits GS25, ZG100, and POINT-1 GPS and heading sensors.
- Uses the same 14-threads-per-inch pole-mount interface used by these sensors.
- Moves the sensor off the deck to a pole location for a cleaner sky view and fewer obstructions.
- Helps create separation from nearby electronics that can affect GPS reception and electronic compass readings.
- Supports mounting positions commonly used on hardtops, T-tops, arches, and stern poles.
Installation and setup
Mount the pole where it stays rigid underway and where the sensor will not be shaded by a hardtop edge, rocket launcher, or light bar. If the sensor you are installing includes a built-in heading sensor, plan the mount location so the sensor can be oriented straight ahead on the boat and kept away from gear that can create magnetic disturbance.
When routing the cable, keep it protected from chafe and avoid running it tightly alongside high-current wiring. If the installation requires any deck penetrations, seal them properly to prevent water intrusion into the core or wiring spaces.
Placement and interference
Maintain at least 0.5 m (20 in) separation from radar arrays and from strong magnetic-field sources, and at least 2 m (6 ft) from radio transmitters. These clearances help the GPS receiver maintain stable satellite tracking and help the electronic compass avoid local distortion.
System integration notes
These sensors integrate over NMEA 2000, so relocating one to a pole often means planning your NMEA 2000 drop cable run. Keep the total drop length within 4.55 m (15 ft) so the network stays within typical installation limits.
On networks using POINT-1 heading data, avoid installing two POINT-1 units (or a second heading sensor) if you expect both to output heading at the same time. This mount is a good match for boats that need a reliable, elevated sensor location for chartplotters, radar overlay, or autopilot heading input without rearranging the rest of the electronics on the console.
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