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<div><FONT style="BACKGROUND-COLOR: transparent">while reprograming a group of 15 units. one would not read/write-communication error.</FONT></div>
<div>only variable was radio-cord in same position.</div>
<div>tried usual messing with plug-twisting/push/pull etc. no luck.</div>
<div>put small squirt of electronic contact cleaner followed by brief air burst, into socket holes.</div>
<div>unit now read/write with no problem</div>
<div>suspect possibe corrosion. unit had been in use for about 6 months</div>
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<div>73, jimstuder kf8sj</div>
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