Am most pleased to advise we seem to have fixed the problem in our Standard Horizon WS150. In the masthead anemometer, seems the solder joints to the circuit boards of the connecting wires were corroded. Two wires broke off when jiggled and the third was hanging on by one wire. The wires are extremely light gauge, so no wonder we were having erratic readings!!!. Resoldered all to the circuit board after cutting off the corroded wire. Very precise process due to very small wire and tight tolerances of the circuit board. Redid the linearization and recalibrated – All is well. So our advice is if your instruments are older and giving erratic readings it is most likely due to resistance of corroded solder joints so start there first
John and Maryann Legacy III 1982 C&C 34 Noank, CT
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