[Elecraft] Running high power

[Jerry Moore]

I'm 

-----Original Message-----
From: elecraft-bounces at mailman.qth.net <elecraft-bounces at mailman.qth.net> On Behalf Of Dave (NK7Z)
Sent: Wednesday, November 23, 2022 9:16 AM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] Running high power

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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