All lightning protection must exist outside of the structure.
Do nothing to invite lightning inside unless you desire a lot of damage.
73
Bob K4TAX
Sent from my iPhone
> On May 15, 2014, at 3:39 PM, Brian Carling <bcarling@cfl.rr.com> wrote:
>
> AC 3rd pin is not going to be a very effective ground for protection from
> lightning damage.
>
> Best regards - Bry Carling AF4K
>
>
>
>> On May 15, 2014, at 4:17 PM, Robert <rmcgraw@blomand.net> wrote:
>>
>> Braid is not the best choice for a low inductance RF path. It is although
>> necessary for flexible applications.
>>
>> Personally I bond all equipment to the station supply and do not use
>> anything but the AC 3rd pin for safety reasons.
>>
>> 73
>> Bob, K4TAX
>>
>>
>>
>> Sent from my iPhone
>>
>>>> On May 15, 2014, at 2:20 PM, Carter <k8vt@ameritech.net> wrote:
>>>>
>>>> On 5/14/2014 5:56 PM, Stuart Rohre wrote:
>>>> Some Yaecomwoods do suffer from RF entering the rig.
>>>>
>>>> MOST ANY rig will if you have a bad shield connection on coax jumper, or
>>>> have rig too close to the antenna, (second floor shack), and there are
>>>> many other rig and feedline issues to rule out in any RFI case.
>>> True, can be many causes, but I am in a basement shack. Also, a few years
>>> ago, I used a Drake TR-7 on SSB with everything else the same and it worked
>>> fine. However, I realize that the TR-7 was not as "computerized" (dependent
>>> on microprocessors) as the Omni VI.
>>>>
>>>> Rule of thumb: Power all equipment from same circuit breaker of the
>>>> house. That ensures AC grounds will not be coming from widely different
>>>> locations. IF you have to use a long ground wire for lightning protection
>>>> ground on the station (like from second floor shack), consider that it
>>>> could act as an "antenna" for pick up of RF from the real antenna. You may
>>>> need tuned radials, or a radial for each favorite band.
>>> Good tip and I believe I am on the same breaker for all the ham equipment.
>>> Again, a basement shack and 5 or 6 feet of a single 3/4 inch wide braid
>>> from the ground of each piece of equipment to the ground rod right on the
>>> outside of the basement wall.
>>>>
>>>> You could always examine the quality of the grounding of the mike cable
>>>> shield. Some older mike cords had just a multi-strand wire wrapped in one
>>>> direction and not a hatch pattern wire shield. Some aluminum foil shields
>>>> don't make a good low impedance connection by clamping. (Connections that
>>>> can't be soldered are suspect).
>>>
>>> Should have mentioned this earlier, but back in the day before I used any
>>> computer interface, I had the problem with both a TT 705(?) mic and a Heil
>>> Pro headset. Probably unlikely that both were defective.
>>>
>>> 73,
>>> Carter K8VT
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