Thank you! Will add that to my list of ones to learn more about………I suspect
they make similar ones with higher power ratings.
Dave KA8MHW
From: David Eckhardt <davearea51a@gmail.com>
Sent: Tuesday, March 24, 2020 12:58 PM
To: David Klinect <daklinect@aep.com>
Cc: rfi@contesting.com
Subject: [EXTERNAL] Re: [RFI] EMI-Free Vehicle Inverters
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I know you're looking for a 1 kW unit, but I have the following I use camping
and I must admit its pretty quiet, RFI wise:
https://www.amazon.com/Go-Power-GP-SW300-12-300-Watt-Inverter/dp/B001539BCE/ref=sr_1_29?keywords=true+sine+wave+power+inverter&qid=1585068577&sr=8-29<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.amazon.com_Go-2DPower-2DGP-2DSW300-2D12-2D300-2DWatt-2DInverter_dp_B001539BCE_ref-3Dsr-5F1-5F29-3Fkeywords-3Dtrue-2Bsine-2Bwave-2Bpower-2Binverter-26qid-3D1585068577-26sr-3D8-2D29&d=DwMFaQ&c=16VmlS4MonZN71XwTUYWYA&r=5sbCa3A98Man-4HZJmHlahpT0tdipMkWFucGHbSgMLE&m=9sl247UmjKnA0kSUDsFKsA52wiCs3beRiSlU0rc2reE&s=0iqXnz9OESpqbbJgnMkBqYEKT53tbrggCQZU323J3fE&e=>
W0LEV
On Tue, Mar 24, 2020 at 11:33 AM David Klinect via RFI
<rfi@contesting.com<mailto:rfi@contesting.com>> wrote:
Thanks, Jim. Not looking at any specific ham band..............would prefer
that It be EMI-Free on all (or as much as possible) of the HF range. Always
appreciate your insights into these matters.......as well as your write-ups and
tutorials.
Dave KA8MHW
------------------------------------------
On 3/23/2020 12:36 PM, David Eckhardt wrote:
> How much power (watts) are you shopping for? I presume you are going from
> a 12 vdc system to a 120 vac/60 Hz system?
And on what band(s) does it need to be quiet? Page 13 of the link below
details what we had to do to a GOOD unit to make it quiet enough to hear
weak signals on a Hamstick 3 ft away. The little clamps with no winding
(with ferrites, this counts as a single turn) are for VHF; those with
multiple turns are for the HF bands we were using mobile -- 15,20, 40.
Except for those single-turn clamps, all the ferrites are Fair-Rite #31.
http://k9yc.com/KillingReceiveNoise.pdf<https://urldefense.proofpoint.com/v2/url?u=http-3A__k9yc.com_KillingReceiveNoise.pdf&d=DwMFaQ&c=16VmlS4MonZN71XwTUYWYA&r=5sbCa3A98Man-4HZJmHlahpT0tdipMkWFucGHbSgMLE&m=9sl247UmjKnA0kSUDsFKsA52wiCs3beRiSlU0rc2reE&s=aJphnaQbkj7g6k05LVnYCBzkoZtpr0VnnFzI6xA9BrE&e=>
BTW -- we were unable to kill noise from a bigger unit in the same
product series of "pure sine-wave inverters."
73, Jim K9YC
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--
Dave - WØLEV
Just Let Darwin Work
Just Think
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