I'll add another tid bit on RFI source.
Many Gensets use an SCR based battery charger. These are extremely noisy.
This is especially true with power control panels used in older
motorhomes and smaller Gensets that do not include an alternator
for the battery charger circuit.
73s de Jim
W5IFP
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces@contesting.com]On Behalf Of
> Castellano, Michael (USACT)
> Sent: Wednesday, March 27, 2013 9:30 AM
> To: towertalk@contesting.com
> Subject: [TowerTalk] Whole House Generator
>
>
> Just a couple of anecdotes here... RFI vis a vis generators
>
> My home genset is a 14kW diesel (permanent install) with manual
> transfer. No RFI problems, though when the power is out
> probably the LAST thing I am going to do is get on the air hi
> hi. I DID go all out on grounding/bonding the genset
> to make the electrical inspector and my receivers happy.
>
> I also have a 300 kw (not a typo) diesel gen at my commercial
> tower site, likewise, no RFI when I am listening on my
> SP-600 and R-390a up there. (my AM station... 160 inv vee at
> 290 feet and 7/8 hardline.) Of course the grounding/bonding
> up there is massive. :) But I DO get noise from the
> "computerized" status panel.
>
> I am beginning to think that part of the problem might be
> inadequate grounding of gensets, especially smaller portable
> ones. I know, I did
> before an electrician showed me where I was lacking on that set. ..
> it was as simple as using a shorter, larger sized conductor to
> a better ground rod.
> Worth checking into !
>
> 73 and see ya on the bands...
>
> Mike KM1R/HS0ZAI
>
>
>
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