[Elecraft] Running high power

[Dave (NK7Z)]

Al,

Are you by chance running an end fed antenna?

73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 11/23/22 05:59, Wes wrote:
> I run a KPA500 all of the time; essentially, I run a 500W transceiver.   
> I have never had an issue as you describe.  The only chokes in the shack 
> are the ones molded onto the various computer cables that come with them.
> 
> Outside, I use a homebrew W2DU type balun (sorry Jim) at the feedpoint 
> of my 40-80M inverted-vee and a commercial sleeve balun on my little 
> triband beam. BTW, both of these antennas are used off-resonance, tuned 
> with a KPA500 in the shack for WARC bands. According to conventional 
> wisdom, I do everything wrong. Grounding and bonding is a combination of 
> single-point and daisy-chain.  I don't have pounds of ferrite on every 
> wire, I use a switch mode power supply for all of the low voltage stuff 
> and a Rigrunner distribution box.  And the whole station runs on a 120V 
> 20A circuit.
> 
> I suspect that you have a rectifying joint some place.
> 
> Wes  N7WS
> 
> On 11/22/2022 3:36 PM, Al Lorona wrote:
>> I'm really curious to ask those on this list who run high power:
>>
>> Do you find that you get into all kinds of devices around the house?
>>
>> I ran the KPA-500 in an extended manner for really the first time 
>> during the Phone SS and immediately:
>>
>> 1/ interfered with FM broadcast radio.
>>
>> 2/ caused the internet to drop out every time I keyed up on the lower 
>> bands.
>>
>> Am I the only one? Those of you who run high power all the time... how 
>> do you deal with these annoyances?
>>
>> Al  W6LX/4
>> ___________________
> 
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