As long as we’re looking at static bleed once again, I pass on a brief note by
AD5X you may find useful.
http://www.ad5x.com/images/Articles/Static%20Bleed.pdf
Ed McCann
AG6CX
> On Jun 30, 2022, at 7:10 PM, Jeff Blaine <KeepWalking188@ac0c.com> wrote:
>
> Both ways work fine.
>
> 73/jeff/ac0c
> alpha-charlie-zero-charlie
> www.ac0c.com
>
>
>> On 6/30/22 8:16 PM, WW3S wrote:
>> so what is the best way to drain static off a vertical with either a
>> resistor or choke?
>>
>> ------ Original Message ------
>> From: "Jeff Blaine" <KeepWalking188@ac0c.com>
>> To: towertalk@contesting.com
>> Sent: 6/30/2022 8:49:31 PM
>> Subject: Re: [TowerTalk] Resistor Across a Choke Balun
>>
>>> After getting my hands on a floating 80m vertical one summer and then
>>> getting up off the ground, I decided then and there that the 50K 200W
>>> resistor in my junk box could do some good and maybe save me a future
>>> surprise. Ran it that way for a few years until it came down in 85 mph
>>> winds once night. Never got shocked again. I'm more careful now - don't
>>> need to learn that lesson more than once...
>>>
>>> 73/jeff/ac0c
>>> alpha-charlie-zero-charlie
>>> www.ac0c.com
>>>
>>>
>>> On 6/30/22 7:45 PM, Jim W7RY wrote:
>>>> You are correct Ed.
>>>>
>>>> 73, Jim W7RY
>>>>
>>>> On 6/30/2022 7:01 PM, Edward McCann via TowerTalk wrote:
>>>>> I think the query had to do with static-relieving resistor or choke
>>>>> across his antennas terminals effective at DC, if I read it correctly.
>>>>>
>>>>> Ed McCann
>>>>> AG6CX
>>>>>
>>>>>> On Jun 30, 2022, at 3:34 PM, Jim Brown <jim@audiosystemsgroup.com> wrote:
>>>>>>
>>>>>> On 6/30/2022 2:57 PM, KD7JYK DM09 wrote:
>>>>>>> I've looked on and off over the years for a tutorial, but not had any
>>>>>>> luck, can anyone suggest a route of study for me?
>>>>>> Yes. k9yc.com/RFI-Ham.pdf includes an extensive tutorial on how ferrite
>>>>>> chokes work, as well as a lot of other fundamental EMC concepts.
>>>>>>
>>>>>> k9yc.com/publish.htm includes two choke "Cookbooks," one for MF/HF,
>>>>>> another VHF/UHF. The MF/HF cookbook is based on more than a year of
>>>>>> winding and measuring more than a thousand chokes; the VHF/UHF cookbook
>>>>>> is based on Fair-Rite data sheets for specific cores. This material has
>>>>>> been in the ARRL Handbook for a while.
>>>>>>
>>>>>> There's also an applications note on identifying RF noise by type and
>>>>>> providing advice on how to locate and kill it. It includes winding
>>>>>> guidelines for clamp-ons at the source of noise.
>>>>>>
>>>>>> 73, Jim K9YC
>>>>>>
>>>>>> _______________________________________________
>>>>>>
>>>>>>
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