"Planet Electronics MX500 Proton Marine Magnetometer" might buy it, any good ?

[surveynoob]

"Planet Electronics MX500 Proton Marine Magnetometer" might buy it, any good ?

Can anyone tell me if "Planet Electronics MX500 Proton Marine Magnetometer" is any good. I'm thinkin of gettin one for those for our boat to find wrecks someone has got one for sale and its at a price i can afford.

Planet Electronics MX500 Proton Marine Magnetometer For Sale - Geotech Forums

and the same one here too

Planet Electronics MX500 Proton Marine Magnetometer For Sale

Bubba http://tnet.forumfoundry.com/forums/images/smilies/rs3.gif

 

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[surveynoob]

Bump

 

[AUVnav]

I would ask the seller how old that is...

 

[surveynoob]

they said it was around 13 years