[Elecraft] [Elecraft-K3] Latest on the new home for my K3...

Wed Apr 22 16:51:58 EDT 2020

The finished product for grounding will be less pretty!  I am using a 
single point type grounding system, with one of those copper bars 
mounted on insulators as the center.

That bar is mounted on the rear of the desk vertical, (not on the 
hutch), just below where the hutch sits, and centered left to right 
behind the K3/P3/Amp/Tuner, about 6 inches below the back of the desktop.

Below that will be two 12 connector power strips.  All power is fed to 
the two power strips from a UPS, so everything save the KPA500 is on 
clean power.  The UPS will be grounded as the radios are.  The KPA500 is 
on the same AC circuit, but not on the UPS.

A flat copper strap will run from the grounding bar directly to each 
rigs chassis ground point, not via Panduit, but behind the Panduit.  All 
computers will have the chassis grounded in the same way, but I will use 
a #6, not copper sheeting.

I am trying to reduce the potential for ground loops, so I will not be 
using the patch panel as a ground connection point, it will just look 
like long coax runs to the equipment.

I will be installing an entrance panel, and an additional ground rod 
later this summer.

The entrance panel will be connected via #6 to a set of three 8 foot 
ground rods, one at the electrical service, one at my shack, just 
outside the house, 15 feet away from the service ground, and a third, 15 
feet further down the house, all connected with #6 as well.

All incoming coax will be fed in via the entrance panel.  The entrance 
panel is a NEMA4 weatherproof box, 3 by 2, with a 1/4 inch copper sheet 
bolted to the raised supports in the rear of the box.

The copper plate inside the entrance panel is where the station outside 
ground system connects, and where the stations inside ground system 
connects via a Polyphasor on each coax cable, and a #8 copper wire.

On the rear of the desk will be a CM Choke I constructed-- RG-400, on 
two FT-240/31 cores.

At the antenna, is coax, feeding the Entrance panel.  I am conflicted on 
grounding the base of the antenna, and possibly adding another set of 
Polyphasors there...  More reading is needed on this...  Any suggestions 
are welcome...

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

On 4/22/20 10:57 AM, Jack Brindle wrote:
> Dave;
> 
> Perhaps this has been asked, but what are you doing for equipment bonding?
> 
> 73!
> Jack, W6FB
> 
> 
>> On Apr 22, 2020, at 10:22 AM, Dave Cole <dave at nk7z.net> wrote:
>>
>> Please thank him for that tip!!!  I will be using that from now on!!!
>>
>> 73, and thanks,
>> Dave (NK7Z)
>> https://www.nk7z.net
>> ARRL Volunteer Examiner
>> ARRL Technical Specialist
>> ARRL Asst. Director, NW Division, Technical Resources
>>
>> On 4/22/20 10:17 AM, David Haines wrote:
>>> More advice from my robotics engineer son, who uses Panduit all over his robots!
>>> "The most important secret of Panduit: Put a rubber band across the top between the tabs every couple of feet to keep things inside while filling it up. Easy to hook/unhook while getting everything in place."
>>> david
>>> KC1DNY
>>> KX3 right now, but ... .  Good thing the K4 isn't shipping yet!
>>> On 4/21/2020 11:48 PM, Dave Cole wrote:
>>>> Hi Clay,
>>>>
>>>> I used the folks called Front Panel Express at:
>>>>
>>>> https://www.frontpanelexpress.com/
>>>>
>>>> Took a few hours to learn the free software they provide, but overall it was easy.  Not cheap, but very good results...
>>>>
>>>> They even have a version that runs under Linux...
>>>>
>>>> 73, and thanks,
>>>> Dave (NK7Z)
>>>> https://www.nk7z.net
>>>> ARRL Volunteer Examiner
>>>> ARRL Technical Specialist
>>>> ARRL Asst. Director, NW Division, Technical Resources
>>>>
>>>> On 4/21/20 8:03 PM, Clay Autery wrote:
>>>>> I ABSOLUTELY understand, and identify! <big smile>
>>>>>
>>>>> Could you clue us in on how you sourced/built that panel?  I'd love to have access to something like that!
>>>>>
>>>>> 73
>>>>>
>>>>> ______________________
>>>>> Clay Autery, KY5G
>>>>> (318) 518-1389
>>>>>
>>>>> On 04/21/20 21:49, Dave Cole wrote:
>>>>>> Thanks Clay...  I decided to add the patch panel because I am sick of haveing to rewire everything I want to change an antenna!  That and it feeds my OCD issues. :)
>>>>>>
>>>>>> 73, and thanks,
>>>>>> Dave (NK7Z)
>>>>>> https://www.nk7z.net
>>>>>> ARRL Volunteer Examiner
>>>>>> ARRL Technical Specialist
>>>>>> ARRL Asst. Director, NW Division, Technical Resources
>>>>>>
>>>>>> On 4/21/20 7:07 PM, Clay Autery wrote:
>>>>>>> That is some really first rate work.... <big smile>  I dig it when folks are fastidious about their cable routing and otherwise organize things logically.... and NEATLY!!
>>>>>>>
>>>>>>> 73,
>>>>>>>
>>>>>>> ______________________
>>>>>>> Clay Autery, KY5G
>>>>>>> (318) 518-1389
>>>>>>>
>>>>>>> On 04/21/20 18:53, Dave Cole wrote:
>>>>>>>> https://www.nk7z.net/rf-patch-panel/
>>>>>>>>
>>>>>>>> I am undertaking a full rebuild of my operating position, note the Patch Panel does not say K3 on it...  That means I can replace things with a K4 later...  :)
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>> -=-=-=-=-=-=-=-=-=-=-=-
>>>>>> Groups.io Links: You receive all messages sent to this group.
>>>>>>
>>>>>> View/Reply Online (#32442): https://groups.io/g/Elecraft-K3/message/32442
>>>>>> Mute This Topic: https://groups.io/mt/73185824/1171784
>>>>>> Group Owner: Elecraft-K3+owner at groups.io
>>>>>> Unsubscribe: https://groups.io/g/Elecraft-K3/leave/4370919/558102286/xyzzy [KY5G at montac.com]
>>>>>> -=-=-=-=-=-=-=-=-=-=-=-
>>>>>>
>>>>> ______________________________________________________________
>>>>> Elecraft mailing list
>>>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>>>> Help: http://mailman.qth.net/mmfaq.htm
>>>>> Post: mailto:Elecraft at mailman.qth.net
>>>>>
>>>>> This list hosted by: http://www.qsl.net
>>>>> Please help support this email list: http://www.qsl.net/donate.html
>>>>> Message delivered to dave at nk7z.net
>>>> ______________________________________________________________
>>>> Elecraft mailing list
>>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>>> Help: http://mailman.qth.net/mmfaq.htm
>>>> Post: mailto:Elecraft at mailman.qth.net
>>>>
>>>> This list hosted by: http://www.qsl.net
>>>> Please help support this email list: http://www.qsl.net/donate.html
>>>> Message delivered to dhaines at bates.edu
>>> ______________________________________________________________
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:Elecraft at mailman.qth.net
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>> Message delivered to dave at nk7z.net
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft at mailman.qth.net
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to jackbrindle at me.com
> 