[Elecraft] Smoke detectors

[JP Douglas]

About 12 years ago we had a carbon monoxide detector in the upstairs hallway not far from the shack. Every time I was on a 2m net (could have been 6m, I forget...)the detector would start chirping, I even lowered power from 65 to 25 watts, same issue. Eventually the thing wouldn’t stop chirping at all so we threw it away, put a smoke detector in it’s place, got a 10 year carbon monoxide detector and put it in the guest bedroom which is further away from the shack and never had a problem again.
73 de Jose Douglas KB1TCD Mid Coast ME


Sent from my iPad

> On Oct 25, 2020, at 6:36 AM, Geoffrey Feldman <geoffreyf at comcast.net> wrote:
> 
> The reason to keep smoke detectors from Amateur Radios is that they detect
> smoke by ionization from a radioactive source.  A strong near field will set
> them off.  The good news is that this is your indication that all is not
> right at the feed line (Or the antenna is unhealthy close).  I have had this
> experience myself, fixed the feed line and the issue went away.   That was
> with 100w on 80 meters.  Unlike real smoke, the detector will stop
> complaining when the transmission stops.
> -73-
> Geoff W1GCF
> 
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