This is a great testing topic for ARRL Labs. Honda vs Yamaha vs Harbor
Freight inverter gens. 1, 2, & 3kw. versions.
From some anecdotal data and a deep dive into the HF 3kw electronics
the results may be surprising.
Always put a K9YC design generator CM choke on the line too. I do that
then a commercial RFI line filter for more than CM suppression.
Grant KZ1W
On 9/20/2020 06:46, Dave Cole wrote:
The best test is to bring a portable shortwave radio, and listen before
you buy... Most places, have a demo generator set up.Make it clear to
the vendor that if the unit is generating RFI you will be returning it,
with the expectation of a full refund.
73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources
On 9/19/20 9:23 PM, Warren Wolff via RFI wrote:
I am considering the purchase of an emergency back-upgenerator.
For the first time, I have encountered unitstagged as “inverters”.
Does this mean that some systemsare AC generators while the
“Inverter-types” generateDC and then convert it to AC? “Inverter”
immediatelyprecipitates the worry of RFI. Comments, please.
WarrenW7WY
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