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+--- Thread: measure magnetic field (/showthread.php?tid=1504)
measure magnetic field - TimTDP - 01-24-2022
I wish to install a sensor with internal GPS Receiver and Compass to my boat
I am worried that magnetic fields, caused my vhf radio / antennae; boat electronics, battery charger, may effect the compass
I have a Samsung S21 smartphone.
How would I use the phone and Phyphox to monitor the magnetic fields? Sorry, I am not technically minded!
What is an acceptable magnetic field level to prevent compass deviation?
This is the sensor:
AS GPS HS - External GPS Receiver with Heading Sensor | Humminbird (johnsonoutdoors.com)
Thanks in advance
RE: measure magnetic field - Jens Noriʇzsɔɥ - 01-26-2022
I would not necessarily trust the Samsung in this regard as the magnetic fields inside a smartphone are far greater than the tiny earth's magnetic field. The sensor is continuously recalibrated and I suppose that small differences are quite relevant for a ship's heading.
On first sight, https://boatingforbeginners.com/where-to-mount-boat-compass/ appears to give some reasonable recommendations on potential problems and where best to mount a compass.
Hope that helps a bit