I'm pretty sure we had both linear and switching, it's been a few years. We
got another generator out and the issue was gone so we know the source.
Dave
N2OA
On Sat, Jul 9, 2022 at 5:11 PM n2sln@frontiernet.net <n2sln@frontiernet.net>
wrote:
> Dave,
> What style of power supply was on the 80m/40m equipment--switching or
> linear?
>
> 73
> N2SLN
> On Saturday, July 9, 2022 at 02:01:22 PM EDT, Dave <kdcarlso@gmail.com>
> wrote:
>
> I've used the Honda 2200 as well for years from 160m - 23cm without any
> noise. Several local clubs have them as well.
> Someone brought a Predator inverter generator to field day on year and the
> noise on 80 & 40m was 20 over S9.
>
> Dave
> N2OA
>
> On Fri, Jul 8, 2022 at 1:37 PM Bill Olson <callbill@hotmail.com> wrote:
>
> > Herb was talking about Field Day..
> >
> > b
> > ________________________________
> > From: VHFcontesting <vhfcontesting-bounces+callbill=
> > hotmail.com@contesting.com> on behalf of Tom Holmes <tholmes@woh.rr.com>
> > Sent: Friday, July 8, 2022 5:16 PM
> > To: 'Terry Price' <terry@directivesystems.com>; 'VHF Contesting
> > Reflector' <vhfcontesting@contesting.com>
> > Subject: Re: [VHFcontesting] Generators
> >
> > I wonder if the original problem posted was HF, not VHF noise?
> >
> > Tom Holmes, N8ZM
> >
> > -----Original Message-----
> > From: VHFcontesting <vhfcontesting-bounces+tholmes=
> > woh.rr.com@contesting.com> On Behalf Of Terry Price
> > Sent: Friday, July 08, 2022 12:08 PM
> > To: 'VHF Contesting Reflector' <vhfcontesting@contesting.com>
> > Subject: Re: [VHFcontesting] Generators
> >
> > Andy, K1RA and I have tested several generators for the K8GP rover. I was
> > not willing to pay the big $$$ for a Honda generator so I bought the 2200
> > watt Preditor inverter. We were blown away with how nice it was, VERY
> quiet
> > mechanically and it ran all of our stuff just fine using a 50A Astron
> > linear
> > power supply, no RFI at all. After doing some upgrades to amps, we needed
> > more power (that's surprising isn't it!!). Having had great luck with the
> > Preditor, I got the 3500 watt model and it worked pretty much the same.
> > Very
> > quiet both mechanically and RF noise.
> >
> > Last, we upgraded amps again to 50V LDMOS devices and wanted to use a
> > switching power supply. The switcher was a Sorenson, very high quality
> and
> > VERY quiet in the area of RF noise. We did all our testing plugged to
> house
> > power and then connected to the generator. WOW - the noise was HORRIBLE
> !!!
> > WTF?? It turns out that we tried several different switching power
> supplies
> > and when running from an inverter generator (which I guess in reality is
> a
> > switcher) the two together generates a lot of hash.
> >
> > I then looked on line and found a dual fuel (gas and propane) traditional
> > generator that had a 240V outlet and got it. Cheaper than the Preditor
> > 3500w
> > inverter, maybe a bit heavier but being able to use propane made it
> better
> > for us and the 240v outlet is great for running higher powered amps.
> It's a
> > bit more noisy mechanically, the Preditor generators were fully enclosed.
> >
> > Terry - W8ZN
> >
> > -----Original Message-----
> > From: VHFcontesting
> > [mailto:vhfcontesting-bounces+terry=directivesystems.com@contesting.com]
> > On
> > Behalf Of Bill Olson
> > Sent: Friday, July 8, 2022 11:55 AM
> > To: VHF Contesting Reflector <vhfcontesting@contesting.com>
> > Subject: Re: [VHFcontesting] Generators
> >
> > Me three.. No problems with the EU2200i 6M thru 10gHz all quiet!
> >
> > bill, K1DY
> > ________________________________
> > From: VHFcontesting
> > <vhfcontesting-bounces+callbill=hotmail.com@contesting.com> on behalf of
> > Zack Widup <w9sz.zack@gmail.com>
> > Sent: Friday, July 8, 2022 3:43 PM
> > To: VHF Contesting Reflector <vhfcontesting@contesting.com>
> > Subject: Re: [VHFcontesting] Generators
> >
> > We used a Honda EU2200i with no problem. I haven't heard any complaints
> > about this generator.
> >
> > 73, Zack W9SZ
> >
> > <
> >
> https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.avg.co%2F&data=05%7C01%7C%7Ce1d1ddaddd414c5a02d008da6105db8d%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637928975072792245%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=9ovHeU1J9KvlZcKj7lqY%2B8qxWbWAHf36MfJkptujHJU%3D&reserved=0
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> > <
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> >
> >
> >
> 36%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1ha
> >
> >
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> > Z1Q5VvCYNUg%3D&reserved=0>
> > <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
> >
> > On Fri, Jul 8, 2022 at 10:28 AM Herb Krumich via VHFcontesting <
> > vhfcontesting@contesting.com> wrote:
> >
> > > With field day behind us, I thought I would give some info
> > > aboutgenerators that I had learned this springInverter generators
> > > suck.Now it's possible a more expensive model might change my mind,
> > > but here goesThree different inverter generators were tested and
> > > failedPrice range of each model was $400-500$I did find my solution at
> > > Harbor FreightThey have a series of Predator models NON INVERTERI
> > > bought a smaller model 1800/1400 and it worked flawlessly.I even got
> > > the wheels and handle attachment which makes it very easy to
> > > moveStarts easy and throws out no RFIIf anyone in the future is
> > > looking for an RFI free unit. I suggest this series73Herb K2LNS
> > > _______________________________________________
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> > > VHFcontesting@contesting.com
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> > > mp;sdata=8xo5duxo7PIAMdC3m7xiWhjwH6XujJbdHejCboSzqXc%3D&reserved=0
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