Re: [IRCA] Alberta TPs for 29 January 2017

[Chuck Hutton <charlesh3@xxxxxxx>]

Walt:


I'd check around before writing off solar array chargers. They're just like any other switching power supply that takes in voltage A and converts it to voltage B.


And just like 12 VDC to 110AC inverters, some are noisy and some are quiet. It is popssible to find inverters that are quiet and sometimes the manufacturer will advertise that. My Monster Power inverter was such a case - it was designed to be quiet and it was.


I'd check out the solar arrays and see if you can stumble on one specifically designed to be quiet. Then you'll have at least a 50/50 chance of sucess.......


Chuck


________________________________
From: IRCA <irca-bounces@xxxxxxxxxxxxxxxx> on behalf of Walter Salmaniw <canswl@xxxxxxxxx>
Sent: Sunday, January 29, 2017 1:37 PM
To: Mailing list for the International Radio Club of America
Subject: Re: [IRCA] Alberta TPs for 29 January 2017

Colin, I've thought about solar arrays, too, both in Victoria and in
Masset, but the RFI risks are simply too great, especially for Masset.  The
power has to be stored somewhere, and it's the inverters that scares the
bejesus out of me.  Otherwise, I'd embrace them immediately!
Unfortunately, things can change on a dime, and unless you live a long way
from any neighbours, we're all at risk.  I think that in Victoria, Nick was
the first of us to experience the local noise problems over the years.  I
was lucky in Oak Bay for the 20 years we lived there, relatively RFI free,
but sure experience it now a lot in Fairfield.  I suspect someone in the
immediate neighbourhood has those darn Wi-Fi extenders via BPL.  Ugly to
look at the spectrum and see similar buzzes, often a lot closer together
than even 100 kHz.  I'm not sure whether bigger and higher antennas are the
answer.  Won't they just pick up and amplify the noise even more???   73,
 Walt

On Sun, Jan 29, 2017 at 9:29 PM, R. Colin Newell <coffeecanuck@xxxxxxxxx>
wrote:

> Why I don't get out of bed for audio traces -
>
> Sleep is more therapeutic.
>
> On a QRM side bar, tracked down a huge source of daytime RFI to a
> neighbors solar array inverter that blasts the MW and HF spectrum with a
> buzz every 100 kHz or so.
>
> We are very good neighbors and he was quite upset to discover that his
> house was the source of disruptive interference.
>
> My attitude is: if neighbors are going to interfere with my hobby, I'm
> just going to build bigger and higher antennas.
>
> Colin Newell - CoffeeCrew.com - VA7WWV - Victoria - BC
>
> > On Jan 29, 2017, at 12:25 PM, Nigel Pimblett <nige2730@xxxxxxxxx> wrote:
> >
> > A fair number of carriers today, with seemingly a mix of Asians and DU,
> though most were pretty weak.   Audio was rather limited:
> >
> >
> > 1116    4BC    Brisbane, AUSTRALIA    Traces of song by Lionel Richie at
> 1435. Confirmed on webstream..
> >
> > 1575    VOA    Thailand    Very weak, with bits of talk around 1455.
> >
> >
> > I didn't get a chance to report yesterday, but it was better, especially
> on the high end.  Rather unusually, 1422 JORF was the top TP, but also had
> audio on several others.
> >
> >
> > Nigel Pimblett
> > Dunmore, AB
> > Perseus SDR with Wellbrook Phased Array
> >
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