[Hallicrafters] Close Call With a SX-100

Rich Oliver Rich.Oliver at lowell.edu
Mon Jan 24 11:40:32 EST 2005


Mark Shaum wrote:
 > ...  However, they might if you have a
> small fuse in-line (one of those grain-of-wheat lamps works) which would
> go open before the diodes failed due to the large amount of RF.  My JPS
> and MFC antenna noise cancellers have a small light bulb in series with
> the noise antenna input to protect against large RF doses from nearby
> xmit antennas.  My old Yaesu FT980 also has one in the main receiver
> antenna path, I didn't know that until the RX went dead one time and I
> had to figure out why.
> 
> 73!
> ------------------------------------------------------------
> Mark Shaum K9TR
> email: k9tr at dtnspeed.net
> http://www.qsl.net/k9tr
> ------------------------------------------------------------

Mark,

Sounds like good advice.  I just wonder about the flash-over voltage of 
a burned out light bulb.  That might still get you!

73, Rich, KC9GQ




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