RFI on Long Island

[KD2CJJ]

Well.... another RFI issue popped up which is far worse than my Sub (My media room subwoofer made 15 meters unusable until i found the issue) !   Now across 15 meters, 17 meters I have a S9 constant noise...  on 12 meter and 10 meter I have a S4-S5, On 40 I have a S7 constant noise (generally its a S3 - S5)...  On 20 its a S5 which right now based on the band conditions should be a S1 or S2...  I am so upset I want to throw my radio out the window!...

I did the full house power off test that found my Subwoofer RFI issue and this time the noise is still present p.... If I point my mini beam north and south the conditions above are evident... If I point it east or west all the noise drop about 2 - 3 S points!!!  So I know the RFI issues are north or south of me (my mini beam doesnt have much F/B gain that is noticeable).  It rained here over the past few days but yesterday was a very clear day so I figured what ever was having an issue would dry out but I suspect not OR the rain killed a device and now its acting up....

Anyone who lives on Long Island in Huntington have any good recommendations on how to approach LIPA?  I suspect its power lines since when I drive around listening to AM radio there are certain spots in my neighborhood that completely wipe out the signal with noise --- I will go after those offenders first.

[K5LXP]

I suspect its power lines since when I drive around listening to AM radio there are certain spots in my neighborhood that completely wipe out the signal with noise

It *may* be power lines but it could also be customer equipment coupling crap onto the power lines.  If it's strong enough to wipe out a broadcast receiver then it should definitely get someone's attention though.  The local utility here has an engineering department and they're who I've contacted for RFI resolution.  If you're inclined to try and track it down to the nearest structure or pole, any help you give them will be to your benefit.


Mark K5LXP
Albuquerque, NM

[KD2CJJ]

I have at least narrowed it down to a few blocks with one being the biggest offender.  You pretty much can't hear am radio when driving under the lines

I suspect its power lines since when I drive around listening to AM radio there are certain spots in my neighborhood that completely wipe out the signal with noise

It *may* be power lines but it could also be customer equipment coupling crap onto the power lines.  If it's strong enough to wipe out a broadcast receiver then it should definitely get someone's attention though.  The local utility here has an engineering department and they're who I've contacted for RFI resolution.  If you're inclined to try and track it down to the nearest structure or pole, any help you give them will be to your benefit.


Mark K5LXP
Albuquerque, NM