Re: Operating RTTY FSK and Alpha 86
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I went to local "Lowe's" hardware (may not be same in VE) and bought foam filter material ($4) and cut to fit.
Frost King 15-in W x 24-in L x 0.1875-in Washable Cut To Fit Air Filter
if the link doesn't work, go to Lowes site ( HomeDepot does similar, etc.)?? and search for foam filter. $4 and picked up same day.? Cut and installed on Acom 2000A - great option.
73 W5AJ Robert
On Fri, Sep 8, 2023 at 9:25?AM James Wolf < kr9u@...> wrote: Jim, ? Can you point us to a good filter material to use?? Maybe a link? ? Jim ¨C KR9U ? ? This is exactly why you install or retrofit a filter on the air intake.?
On a side note, a shop vac on the bottom of the tube will get most of the crud + dust out...from the bottom.? ? Then try compressed air from the top. Then stick it in the dishwasher....that works superb.? ? Go to 3M's? home page.? ?They make filters as small as 7" x 7".? ?They also have washable, and cutable filters, that can be cut to fit a specific size.
Don't get ur fingers on the ceramic.? Any skin oil / fingerprints etc, will result in reduced hi-pot test results.
Jim? VE7RF
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Robert, W5AJ