[Elecraft] Waterproof SO-239 covers

[Gary Peterson]

A similar concoction is readily available in the U.S.  Depending on who 
manufactures it, the brand might be Penetrox, NoAlOx or OxGard.  It is used by 
electricians to enhance aluminum to aluminum and aluminum to copper or brass 
electrical connections.  Each of these products appears to be a mixture of a 
silicone based grease and powdered zinc metal.  I have used such, between 
sections, when assembling an aluminum antenna.  Before assembly, I apply the 
grease and use emery cloth to shine up the outer part of the inner tubing.  I 
apply the grease to a wire brush made for plumbing and use that to clean the 
inside of the outer tubing.  Aluminum is a very chemically reactive metal.  It 
quickly forms an oxide that protects the surface from further reaction.  
Unfortunately, aluminum oxide is a pretty good insulator.  By using the grease 
with the abrasion, the oxide is removed and the metal is protected from oxygen 
in the air during assembly.  I find that this procedure prevents inte
 rmittent connections and makes future disassembly much easier.  A friend had a 
multi band vertical antenna that was really flaky.  The VSWR would change with 
the wind.  We took his vertical apart and performed the antioxidant and 
abrasive treatment.  His vertical worked reliably for years afterward.  At one 
time, Mosley used to supply Penetrox with their beam antennas.  A good move in 
my opinion.  

Gary, K0CX   

I cover the threads with a
mixture of zinc and Vaseline anyway...I still use the zinc
and Vaseline on threads though because it lubricates and the zinc helps
conductivity a little, but my stock has all but gone. Steve, G4VRR
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Re: [Elecraft] Waterproof SO-239 covers

[Phil Kane]

On 7/16/2020 11:31 AM, KENT TRIMBLE wrote:
> 
> The "quarter turn" idea most often refers to the trick of backing-off a
> screw "a quarter turn" and then re-tightening in order to break up
> corrosion.  More than one restorer has brought vintage equipment to life
> by doing nothing more than that.

I apologize to all - I did mis-speak. Just a good "past snug" is about
what I meant.   And yes, a proper wrap if Rescue Tape will keep it dry -
or so my  experience has shown.

73 de K2ASP - Phil Kane
Elecraft K2/100   s/n 5402

From a Clearing in the Silicon Forest
Beaverton (Washington County) Oregon
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Re: [Elecraft] Waterproof SO-239 covers

[Steve Gray]

I use "Plasticene" (maybe known as modelling clay?)
In my experience it never hardens, it is waterproof and easy to remove. I
used to use the orange tapered vinyl boots that were used on mineral
insulated "Pyro" cable over the top since they are a great seal over PL259s
but I have used up my stock. I make sure that the cable is not free to flap
around and "Plasticene" does the job.

If there's only two "teeth" on the PL259 connector then I frequently file
them off and ignore the slight plating loss. I cover the threads with a
mixture of zinc and Vaseline anyway. This is a concoction that we used to
use at work (in a loosely aerospace related company) to facilitate riveted
ground points on galley structures prior to Meggar tests, but that process
fell into disuse. It came about because the guys were using heatsink
compound until I arrived and pointed out their error!  I still use the zinc
and Vaseline on threads though because it lubricates and the zinc helps
conductivity a little, but my stock has all but gone.

Steve, G4VRR.



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Re: [Elecraft] Waterproof SO-239 covers

[Jim Brown]

On 7/16/2020 2:25 PM, Gmail - George wrote:

I don't ever recall that tightening a
connector with pliers corrected these discontinuities. We solved the poorly
made connectors by going to crimp style of connectors.


There is a very large difference in signal to noise ratios and operating 
power levels between an analog video production facility and a ham 
station. 30-40 dB SNR is great for that broadcast plant, and unless it's 
colocated with the transmitter, far less exposure to RF than a ham 
station running legal limit. In our ham stations, we may need 100 dB or 
more rejection of RF; the 60 dB difference translates to a 1,000,000:1 
power ratio and a 1,000:1 ration of voltage or current.


In addition to my own station, where I do a lot of serious contesting, 
I've long been part of teams that do serious county expeditions, and I 
read a lot to try to learn as much as possible from others who do it 
more, and at a higher level. Two admonitions from these folks who do it 
in the field stand out. 1) If anything is flaky in the station, ALWAYS 
suspect a bad piece of coax or badly terminated connector. 2) Always 
make sure that all connectors are wrench tight.


And I'll add my own -- NEVER use junk connectors or adapters anywhere in 
your station. For RF connectors, that means Amphenol (83-1SP w/no suffix 
for UHF) or used MIL-spec. For audio, that means Neutrik or Switchraft.


73, Jim K9YC
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Re: [Elecraft] Waterproof SO-239 covers

[hawley, charles j jr]

I wiggle the connector as I finger tighten the barrel. The result is that they 
are difficult to unscrew. Also I use a heavy silicone grease on the threads and 
on the back where the barrel contacts the connector. I have never had any 
issues with water in 20 years doing that.

Jack BMW Motorcycles
Chuck KE9UW
c-haw...@illinois.edu

Sent from my iPad

> On Jul 16, 2020, at 12:49 PM, Mike Harris via Elecraft 
>  wrote:
> 
> I must say that over many years and without any ill effect I've never bought 
> into this idea of Gorilering up a PL259 with pliers beyond finger tight. A 
> quarter of a turn is an unbelievable suggestion. I've just tried it and a 
> couple of degrees is the best I could do without being brutal and even then I 
> don't thing it would go any further.
> 
> Urban myth maybe?
> 
> Also, I've never had a failure after simply applying a generous wrap of self 
> amalgamating tape, nothing else, to waterproof coax connectors. Our UV 
> environment is pretty powerful, clear skies and sunshine can turn the skin on 
> my head into huge dandruff seven days later after 30 minutes exposure.
> 
> Regards,
> 
> Mike VP8NO
> 
>> On 16/07/2020 12:21, Phil Kane wrote:
>>> On 7/15/2020 6:50 PM, Drew AF2Z wrote:
>>> I would use Coax Seal. Same idea as duct seal but it's more pliable,
>>> more wx resistant and a little stickier. It will last forever, never
>>> hardens and can be peeled off when needed. Might want to screw pl-259
>>> shells onto the socket threads first, then seal them. The sockets &
>>> shells will be pristine when you go to use them.
>> Don't forget to tighten the connector 1/4 turn after "finger tight" with
>> a pair of pliers to make a real seal.
>> 73 de K2ASP - Phil Kane
>> Elecraft K2/100   s/n 5402
>>> From a Clearing in the Silicon Forest
>> Beaverton (Washington County) Oregon
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Re: [Elecraft] Waterproof SO-239 covers

[Walter Underwood]

I screw it down, wiggle it, back it off, wiggle it, push it down, screw it 
down, repeat, then switch to Type N connectors (which don’t need any of that 
nonsense).

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Jul 16, 2020, at 2:45 PM, Don Wilhelm  wrote:
> 
> One problem is that "finger-tight" is not the same for all hams.
> The other is the use of off-brand connectors that do not fit well.
> The other is that some connectors do not engage the protruding 'tabs' on the 
> PL-259 do not seat properly with the indentations on the SO-239. Those are 
> the ones for which "finger-tight" is not good enough.
> 
> I agree that 1/4 turn is too much - if you can turn it that much, it was not 
> properly mated, remove and start again.  Just a slight touch of the pliers 
> will make it certain the connector is tight.
> 
> 73,
> Don W3FPR
> 
> On 7/16/2020 5:25 PM, Gmail - George wrote:
>> Years ago in a land far-far away all video coax connectors in Broadcast
>> Television were UHF (PL259).
>> We only tightened them hand (finger) tight. In may places pliers would have
>> not fit any way.
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Re: [Elecraft] Waterproof SO-239 covers

[K9ZTV]

Amen, George, on mating the “tiny indentations.”  It’s easy to ignore this step 
because many hams think they mate automatically as the PL-259 penetrates the 
SO-239.  They sometimes don’t.  The coax itself has to be rotated back and 
forth until the mating can be felt through one’s fingers.  Indentations on 
cheap connectors have minimal mating surfaces or none at all.

73,

Kent  K9ZTV  

> On Jul 16, 2020, at 4:25 PM, Gmail - George  wrote:
> 
> Proper installation of the UHF connector is to make sure it is made 
> properly, and then properly mated by rotating the coax until the tiny 
> indentations on the female are found and mated with the male. Then tighten 
> it hand tight.
> 
> 73
> George AI4VZ
> 

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Re: [Elecraft] Waterproof SO-239 covers

[Don Wilhelm]

One problem is that "finger-tight" is not the same for all hams.
The other is the use of off-brand connectors that do not fit well.
The other is that some connectors do not engage the protruding 'tabs' on 
the PL-259 do not seat properly with the indentations on the SO-239. 
Those are the ones for which "finger-tight" is not good enough.


I agree that 1/4 turn is too much - if you can turn it that much, it was 
not properly mated, remove and start again.  Just a slight touch of the 
pliers will make it certain the connector is tight.


73,
Don W3FPR

On 7/16/2020 5:25 PM, Gmail - George wrote:

Years ago in a land far-far away all video coax connectors in Broadcast
Television were UHF (PL259).
We only tightened them hand (finger) tight. In may places pliers would have
not fit any way.


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Re: [Elecraft] Waterproof SO-239 covers

[Gmail - George]

Years ago in a land far-far away all video coax connectors in Broadcast 
Television were UHF (PL259).
We only tightened them hand (finger) tight. In may places pliers would have 
not fit any way.

In black & white days we would want to be flat from DC to around 8 MHz with 
a smooth roll off to about 15 MHz.
Later in color most of the video distribution amplifiers were flat to even 
25 MHz.

>From the late 60s to late 70s the connector density increased significantly 
and we went to BNC for video & later for even audio when we converted to 
digital audio distribution.

In a typical studio plant any discontinuity in video coax tended to show up 
as a "ghost" in the video in black & white and in color the results could be 
only described as Technicolor gone wrong. We rarely had discontinuities - 
most of the time it was a poorly made connector or center migration due to 
too tight a bent in the coax. I don't ever recall that tightening a 
connector with pliers corrected these discontinuities. We solved the poorly 
made connectors by going to crimp style of connectors.

When I became a Ham after retiring from Broadcasting - I had to go back to 
using UHF connectors. First tool I bought was a coax connector crimp tool! 
Unfortunately I could not afford the $300 to $500 tools for each coax size 
that we had at work. I had to buy a much less expensive tool with 
replaceable dies. Not quite as convenient & easy to use but much more cost 
effective! Then again I wasn't going to be spending hours putting coax 
connectors on cables.

A broadcast plant had many hundreds and probably thousands of uhf coax 
connectors to deal with and a lot of experience in all conditions from fully 
climate controlled (tape rooms) to harsh outdoors on ENG or SNG truck masts 
going 60 or 70 MPH in rain, sleet and snow.
In fact when we replaced a 1,000' tower. We cut off the coax seal on 
connectors that were maybe 20 or 30 years old - the connectors were bright 
and shinny underneath!

Proper installation of the UHF connector is to make sure it is made 
properly, and then properly mated by rotating the coax until the tiny 
indentations on the female are found and mated with the male. Then tighten 
it hand tight. If not indoors then seal the connection.

73
George AI4VZ

-Original Message- 
From: Mike Harris via Elecraft

I must say that over many years and without any ill effect I've never
bought into this idea of Gorilering up a PL259 with pliers beyond finger
tight. A quarter of a turn is an unbelievable suggestion.
...
Regards,

Mike VP8NO


>...
>
> Don't forget to tighten the connector 1/4 turn after "finger tight" with
> a pair of pliers to make a real seal.
>
> 73 de K2ASP - Phil Kane 

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Re: [Elecraft] Waterproof SO-239 covers

[Jim Brown]

On 7/16/2020 10:46 AM, Mike Harris via Elecraft wrote:
I must say that over many years and without any ill effect I've never 
bought into this idea of Gorilering up a PL259 with pliers beyond finger 
tight. A quarter of a turn is an unbelievable suggestion. I've just 
tried it and a couple of degrees is the best I could do without being 
brutal and even then I don't thing it would go any further.


Urban myth maybe?


No, misunderstanding/poor way of describing the problem. For good RF 
contact, the entire circumference of male and female connector must make 
solid and continuous contact. This can only happen if the teeth in the 
male connector fit within the corresponding gaps in the female 
connector. If that has been accomplished, wrench-tight may be less than 
a quarter turn, but it also depends on how strong your fingers are, and 
whether you are able to get a good grip on the connector. For example, I 
need more than a quarter turn with pliers in my fairly dense entry panel 
in the wall under my operating desk. And if the teeth are not properly 
mated, it's common to get more than a quarter turn when using the wrench.


Also, I've never had a failure after simply applying a generous wrap of 
self amalgamating tape, nothing else, to waterproof coax connectors. Our 
UV environment is pretty powerful, clear skies and sunshine can turn the 
skin on my head into huge dandruff seven days later after 30 minutes 
exposure.


That depends entirely on the particular tape you've chosen. Some are 
more UV resistant than others.


73, Jim K9YC
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Re: [Elecraft] Waterproof SO-239 covers

[KENT TRIMBLE]

Mike . . .

I think he might have misspoken when suggesting using pliers to effect 
an extra quarter-turn on a PL-259 after first getting it finger-tight.


The "quarter turn" idea most often refers to the trick of backing-off a 
screw "a quarter turn" and then re-tightening in order to break up 
corrosion.  More than one restorer has brought vintage equipment to life 
by doing nothing more than that.


A second problem with using pliers to scrunch a PL-259 is the risk of 
permanently deforming the barrel making future removal difficult if not 
impossible.


Plier-tightening has its place, but hardly more than the degree or two 
to which you alluded.


Take care of that dandruff!

73,

Kent  K9ZTV



On 7/16/2020 12:46 PM, Mike Harris via Elecraft wrote:
I must say that over many years and without any ill effect I've never 
bought into this idea of Gorilering up a PL259 with pliers beyond 
finger tight. A quarter of a turn is an unbelievable suggestion. I've 
just tried it and a couple of degrees is the best I could do without 
being brutal and even then I don't thing it would go any further.


Urban myth maybe?

Also, I've never had a failure after simply applying a generous wrap 
of self amalgamating tape, nothing else, to waterproof coax 
connectors. Our UV environment is pretty powerful, clear skies and 
sunshine can turn the skin on my head into huge dandruff seven days 
later after 30 minutes exposure.


Regards,

Mike VP8NO





On 16/07/2020 12:21, someone wrote:

Don't forget to tighten the connector 1/4 turn after "finger tight" with
a pair of pliers to make a real seal.





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Re: [Elecraft] Waterproof SO-239 covers

[Mike Harris via Elecraft]

I must say that over many years and without any ill effect I've never 
bought into this idea of Gorilering up a PL259 with pliers beyond finger 
tight. A quarter of a turn is an unbelievable suggestion. I've just 
tried it and a couple of degrees is the best I could do without being 
brutal and even then I don't thing it would go any further.


Urban myth maybe?

Also, I've never had a failure after simply applying a generous wrap of 
self amalgamating tape, nothing else, to waterproof coax connectors. Our 
UV environment is pretty powerful, clear skies and sunshine can turn the 
skin on my head into huge dandruff seven days later after 30 minutes 
exposure.


Regards,

Mike VP8NO

On 16/07/2020 12:21, Phil Kane wrote:

On 7/15/2020 6:50 PM, Drew AF2Z wrote:


I would use Coax Seal. Same idea as duct seal but it's more pliable,
more wx resistant and a little stickier. It will last forever, never
hardens and can be peeled off when needed. Might want to screw pl-259
shells onto the socket threads first, then seal them. The sockets &
shells will be pristine when you go to use them.


Don't forget to tighten the connector 1/4 turn after "finger tight" with
a pair of pliers to make a real seal.

73 de K2ASP - Phil Kane
Elecraft K2/100   s/n 5402


From a Clearing in the Silicon Forest

Beaverton (Washington County) Oregon
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Re: [Elecraft] Waterproof SO-239 covers

[Doug Daniels]

Thanks for all the responses and suggestions. I've decided to go with the
American Radio Supply covers, as they looked the best quality. I'll combine
them with some Scotch/3M/rescue tape/coax-seal, whatever I can source
locally. I would have gone with the PL-259 idea if I'd had any used ones
around.

On Wed, Jul 15, 2020 at 5:04 PM Doug Daniels  wrote:

> I just built a window antenna feedthrough panel, and want some waterproof
> covers for the unused bulkhead connectors. Most of the online reviews say
> that even the ones advertised to be waterproof are in fact not waterproof.
> Anyone have a source for ones that are?
>
> --
>
> --... ...--
> Doug
>


-- 

--... ...--
Doug
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Re: [Elecraft] Waterproof SO-239 covers

[Phil Kane]

On 7/16/2020 5:35 AM, Mike Harris via Elecraft wrote:

> A great selection of bits. Unfortunately when I tried to order a couple
> of microphone connector dust caps for my K2 and K3. The system took the
> order but they refused to post them.

Sometimes the vendor refuses to send to a post office box.  What works
then, at least in the USA, is to specify the street address plus the PO
Box as if it was an apartment number.  I always get a laugh when UPS
refuses to accept the PO Box as a delivery address, but their Big Brown
Truck pulls up to the PO loading dock anyway.

This, of course, does not apply to items that the Postal Service will
not handle, such as batteries and corrosive liquids.

73 de K2ASP - Phil Kane
Elecraft K2/100   s/n 5402

>From a Clearing in the Silicon Forest
Beaverton (Washington County) Oregon
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Re: [Elecraft] Waterproof SO-239 covers

[Phil Kane]

On 7/15/2020 6:50 PM, Drew AF2Z wrote:

> I would use Coax Seal. Same idea as duct seal but it's more pliable,
> more wx resistant and a little stickier. It will last forever, never
> hardens and can be peeled off when needed. Might want to screw pl-259
> shells onto the socket threads first, then seal them. The sockets &
> shells will be pristine when you go to use them.

Don't forget to tighten the connector 1/4 turn after "finger tight" with
a pair of pliers to make a real seal.

73 de K2ASP - Phil Kane
Elecraft K2/100   s/n 5402

>From a Clearing in the Silicon Forest
Beaverton (Washington County) Oregon
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Re: [Elecraft] Waterproof SO-239 covers

[Dave Cole]

By the way...  These caps also fit the mic connector on the front of the 
K3...


I use them extensively on all outdoor SO-239s, and one on the mic cover 
for the K3. :)


If you sign up for the mail list at American Radio Supply, they will 
send you a coupon for 10 bucks off a 25 buck order fairly routinely...


They are good folks, care about customer support, and in general provide 
a very good product for a good price.


I also use their PL-259s, and adapters for 8x, and they take solder, and 
hold up well...


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

On 7/16/20 6:34 AM, hawley, charles j jr wrote:

https://www.americanradiosupply.com/pl-259-so-239-uhf-coaxial-protective-dust-cover-rain-cap/
[https://cdn11.bigcommerce.com/s-47f02/products/114/images/5289/ARS_G510_CAP_IMG__21773.1507979153.200.200.jpg?c=2]<https://www.americanradiosupply.com/pl-259-so-239-uhf-coaxial-protective-dust-cover-rain-cap/>
PL-259 / SO-239 UHF Coaxial Protective Dust Cover - Rain 
Cap<https://www.americanradiosupply.com/pl-259-so-239-uhf-coaxial-protective-dust-cover-rain-cap/>
PL-259 SO-239 Coaxial Cap Protective Dust Cover - ARS-G510
www.americanradiosupply.com


Chuck Hawley
  c-haw...@illinois.edu

  Amateur Radio, KE9UW
  aka Jack, BMW Motorcycles


From: elecraft-boun...@mailman.qth.net  on behalf 
of Dave Cole 
Sent: Wednesday, July 15, 2020 9:57 PM
To: elecraft@mailman.qth.net 
Subject: Re: [Elecraft] Waterproof SO-239 covers

American Radio Supply sells metal covers that thread onto SO-239, and
have a soft rubber insert.  I have been using them on outdoor connectors
for years now, and they work well...

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

On 7/15/20 6:50 PM, Drew AF2Z wrote:

I would use Coax Seal. Same idea as duct seal but it's more pliable,
more wx resistant and a little stickier. It will last forever, never
hardens and can be peeled off when needed. Might want to screw pl-259
shells onto the socket threads first, then seal them. The sockets &
shells will be pristine when you go to use them.

73,
Drew
AF2Z



On 07/15/20 18:52, Tommy wrote:

I wrap some duct seal putty around mine. Get it at Home Depot for
cheap. Works fine. I forget what I paid, around $2-3 for a brick of it
I think. Stays soft and pliable.

73 de Tom - KB2SMS


On 7/15/20 7:39 PM, Nate Bargmann wrote:

* On 2020 15 Jul 16:07 -0500, Doug Daniels wrote:

I just built a window antenna feedthrough panel, and want some
waterproof
covers for the unused bulkhead connectors. Most of the online
reviews say
that even the ones advertised to be waterproof are in fact not
waterproof.
Anyone have a source for ones that are?

__
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Re: [Elecraft] Waterproof SO-239 covers

[hawley, charles j jr]

https://www.americanradiosupply.com/pl-259-so-239-uhf-coaxial-protective-dust-cover-rain-cap/
[https://cdn11.bigcommerce.com/s-47f02/products/114/images/5289/ARS_G510_CAP_IMG__21773.1507979153.200.200.jpg?c=2]<https://www.americanradiosupply.com/pl-259-so-239-uhf-coaxial-protective-dust-cover-rain-cap/>
PL-259 / SO-239 UHF Coaxial Protective Dust Cover - Rain 
Cap<https://www.americanradiosupply.com/pl-259-so-239-uhf-coaxial-protective-dust-cover-rain-cap/>
PL-259 SO-239 Coaxial Cap Protective Dust Cover - ARS-G510
www.americanradiosupply.com


Chuck Hawley
 c-haw...@illinois.edu

 Amateur Radio, KE9UW
 aka Jack, BMW Motorcycles


From: elecraft-boun...@mailman.qth.net  on 
behalf of Dave Cole 
Sent: Wednesday, July 15, 2020 9:57 PM
To: elecraft@mailman.qth.net 
Subject: Re: [Elecraft] Waterproof SO-239 covers

American Radio Supply sells metal covers that thread onto SO-239, and
have a soft rubber insert.  I have been using them on outdoor connectors
for years now, and they work well...

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

On 7/15/20 6:50 PM, Drew AF2Z wrote:
> I would use Coax Seal. Same idea as duct seal but it's more pliable,
> more wx resistant and a little stickier. It will last forever, never
> hardens and can be peeled off when needed. Might want to screw pl-259
> shells onto the socket threads first, then seal them. The sockets &
> shells will be pristine when you go to use them.
>
> 73,
> Drew
> AF2Z
>
>
>
> On 07/15/20 18:52, Tommy wrote:
>> I wrap some duct seal putty around mine. Get it at Home Depot for
>> cheap. Works fine. I forget what I paid, around $2-3 for a brick of it
>> I think. Stays soft and pliable.
>>
>> 73 de Tom - KB2SMS
>>
>>
>> On 7/15/20 7:39 PM, Nate Bargmann wrote:
>>> * On 2020 15 Jul 16:07 -0500, Doug Daniels wrote:
>>>> I just built a window antenna feedthrough panel, and want some
>>>> waterproof
>>>> covers for the unused bulkhead connectors. Most of the online
>>>> reviews say
>>>> that even the ones advertised to be waterproof are in fact not
>>>> waterproof.
>>>> Anyone have a source for ones that are?
>> __
>> Elecraft mailing list
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Re: [Elecraft] Waterproof SO-239 covers

[David Herring]

Laziness maybe? Uninformed? I don’t know…frustrating for sure... I can tell you 
that some people *IN* the US can’t get things shipped.  I used to live in 
Hawaii, its a state in the US, no customs forms, we’d pay the shipping, and 
people STILL would not ship there. 

Staggers the imagination.

73,
David - N5DCH



> On Jul 16, 2020, at 6:59 AM, Vic Rosenthal  wrote:
> 
> This is frustrating for those of us who don’t live in the US or Europe. Even 
> before Corona I tried to order some hardware from McMaster-Carr in the US, 
> only to be (somewhat unpleasantly) turned down. The same from other suppliers.
> I don’t know what’s the big deal when we pay the postage. I used to send 
> packages around the world when I was in the US, and there was only one simple 
> customs form to fill out.
> 
> Victor 4X6GP 
> 
>> On 16 Jul 2020, at 15:35, Mike Harris via Elecraft > > wrote:
>> 
>> A great selection of bits. Unfortunately when I tried to order a couple of 
>> microphone connector dust caps for my K2 and K3. The system took the order 
>> but they refused to post them.
>> 
>> Regards,
>> 
>> Mike VP8NO
>> 
>>> On 15/07/2020 23:57, Dave Cole wrote:
>>> American Radio Supply sells metal covers that thread onto SO-239, and have 
>>> a soft rubber insert.  I have been using them on outdoor connectors for 
>>> years now, and they work well...
>>> 73, and thanks,
>>> Dave (NK7Z)
>>> https://www.nk7z.net
>>> ARRL Volunteer Examiner
>>> ARRL Technical Specialist
>>> ARRL Asst. Director, NW Division, Technical Resources
>> __
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>> 
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>> 
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>> Please help support this email list: http://www.qsl.net/donate.html 
>> 
>> Message delivered to k2vco@gmail.com 
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Re: [Elecraft] Waterproof SO-239 covers

[Vic Rosenthal]

This is frustrating for those of us who don’t live in the US or Europe. Even 
before Corona I tried to order some hardware from McMaster-Carr in the US, only 
to be (somewhat unpleasantly) turned down. The same from other suppliers.
I don’t know what’s the big deal when we pay the postage. I used to send 
packages around the world when I was in the US, and there was only one simple 
customs form to fill out.

Victor 4X6GP 

> On 16 Jul 2020, at 15:35, Mike Harris via Elecraft  
> wrote:
> 
> A great selection of bits. Unfortunately when I tried to order a couple of 
> microphone connector dust caps for my K2 and K3. The system took the order 
> but they refused to post them.
> 
> Regards,
> 
> Mike VP8NO
> 
>> On 15/07/2020 23:57, Dave Cole wrote:
>> American Radio Supply sells metal covers that thread onto SO-239, and have a 
>> soft rubber insert.  I have been using them on outdoor connectors for years 
>> now, and they work well...
>> 73, and thanks,
>> Dave (NK7Z)
>> https://www.nk7z.net
>> ARRL Volunteer Examiner
>> ARRL Technical Specialist
>> ARRL Asst. Director, NW Division, Technical Resources
> __
> Elecraft mailing list
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Re: [Elecraft] Waterproof SO-239 covers

[Mike Harris via Elecraft]

A great selection of bits. Unfortunately when I tried to order a couple 
of microphone connector dust caps for my K2 and K3. The system took the 
order but they refused to post them.


Regards,

Mike VP8NO

On 15/07/2020 23:57, Dave Cole wrote:
American Radio Supply sells metal covers that thread onto SO-239, and 
have a soft rubber insert.  I have been using them on outdoor connectors 
for years now, and they work well...


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

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Re: [Elecraft] Waterproof SO-239 covers

[SPEED GRAY via Elecraft]

I use SO-239 waterproof covers on my motorhome. They are small caps which screw 
on, and have a rubber gasket in the cap to keep water from entering. As best I 
can remember they work just fine.

I purchased mine at radio swaps from the guys that sell connectors. Also, try 
any of the wire/connector vendors on line. Debco Electronics probably have 
them; Gigaparts; R etc.

Speed Gray, K8SG

> On Jul 15, 2020, at 11:20 PM, Gary K9GS  wrote:
> 
> 
> I'm a big fan of rescue tape too.  No adhesive and cuts away very easily with 
> a sharp blade.Home Depot sells a version:Nashua Tape1 in. x 3.33 yd. 
> Stretch and Seal Self-Fusing Silicone Tape in 
> Blackhttps://www.homedepot.com/p/Nashua-Tape-1-in-x-3-33-yd-Stretch-and-Seal-Self-Fusing-Silicone-Tape-in-Black-1208952/100206050Walmart
>  carries it 
> too:https://www.walmart.com/ip/RESCUE-TAPE-Original-Silicone-Self-Fusing-Multi-Purpose-Tape-Orange/21154031?wmlspartner=wlpa=11052&=2280==g=m=42423897272=pla-51320962143=9018799pla=117084351=online=21154031=sem=Cj0KCQjw0rr4BRCtARIsAB0_48MwYg3GYwxdnjFhsIbmpsQ4jhZ71aSUBZ8PhIGpokraWc5Wm6juwfQaAjzUEALw_wcB73,Gary
>  K9GS
>  Original message From: Ted Edwards W3TB  
> Date: 7/15/20  8:00 PM  (GMT-06:00) To: Gary K9GS  Cc: 
> Elecraft Reflector  Subject: Re: [Elecraft] 
> Waterproof SO-239 covers First prepare an old PL-259 like Gary K9GS said.Then 
> go shopping in the plumbing area — not in electrical — and buy Rescue Tape.  
> It stretches around that PL-259 to seal it up and sticks to itself rather 
> than to the connector.  Be careful because you won’t be able to unwind it but 
> will peak away when cut it with a knife.  And being a plumbing product it 
> will seal to water.  It comes in colors. I use it for all my outdoor 
> connections. Good stuff!And I have wondered about those Flex Seal products we 
> see on TV.On Wed, Jul 15, 2020 at 20:09 Gary K9GS  wrote:
> Hi Doug,I've never done this but why not take a PL259, fill it with RTV or 
> epoxy, let cure, install on the SO239, and then weatherproof like you would 
> normally do?73,Gary K9GS
>  Original message From: Doug Daniels  
> Date: 7/15/20  4:04 PM  (GMT-06:00) To: Elecraft Reflector 
>  Subject: [Elecraft] Waterproof SO-239 covers I 
> just built a window antenna feedthrough panel, and want some waterproofcovers 
> for the unused bulkhead connectors. Most of the online reviews saythat even 
> the ones advertised to be waterproof are in fact not waterproof.Anyone have a 
> source for ones that are?-- --... 
> ...--Doug__Elecraft
>  mailing listHome: http://mailman.qth.net/mailman/listinfo/elecraftHelp: 
> http://mailman.qth.net/mmfaq.htmPost: mailto:elecr...@mailman.qth.netThis 
> list hosted by: http://www.qsl.netPlease help support this email list: 
> http://www.qsl.net/donate.htmlMessage delivered to k...@gjschwartz.com 
> __
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> Message delivered to w3tb@gmail.com 
> -- 73 de Ted Edwards, W3TB and GØPWWand thinking about operating CW:"Do today 
> what others won't,so you can do tomorrow what others can't."
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Re: [Elecraft] Waterproof SO-239 covers

[Gary K9GS]

I'm a big fan of rescue tape too.  No adhesive and cuts away very easily with a 
sharp blade.Home Depot sells a version:Nashua Tape  1 in. x 3.33 yd. 
Stretch and Seal Self-Fusing Silicone Tape in 
Blackhttps://www.homedepot.com/p/Nashua-Tape-1-in-x-3-33-yd-Stretch-and-Seal-Self-Fusing-Silicone-Tape-in-Black-1208952/100206050Walmart
 carries it 
too:https://www.walmart.com/ip/RESCUE-TAPE-Original-Silicone-Self-Fusing-Multi-Purpose-Tape-Orange/21154031?wmlspartner=wlpa=11052&=2280==g=m=42423897272=pla-51320962143=9018799pla=117084351=online=21154031=sem=Cj0KCQjw0rr4BRCtARIsAB0_48MwYg3GYwxdnjFhsIbmpsQ4jhZ71aSUBZ8PhIGpokraWc5Wm6juwfQaAjzUEALw_wcB73,Gary
 K9GS
 Original message From: Ted Edwards W3TB  
Date: 7/15/20  8:00 PM  (GMT-06:00) To: Gary K9GS  Cc: 
Elecraft Reflector  Subject: Re: [Elecraft] 
Waterproof SO-239 covers First prepare an old PL-259 like Gary K9GS said.Then 
go shopping in the plumbing area — not in electrical — and buy Rescue Tape.  It 
stretches around that PL-259 to seal it up and sticks to itself rather than to 
the connector.  Be careful because you won’t be able to unwind it but will peak 
away when cut it with a knife.  And being a plumbing product it will seal to 
water.  It comes in colors. I use it for all my outdoor connections. Good 
stuff!And I have wondered about those Flex Seal products we see on TV.On Wed, 
Jul 15, 2020 at 20:09 Gary K9GS  wrote:
Hi Doug,I've never done this but why not take a PL259, fill it with RTV or 
epoxy, let cure, install on the SO239, and then weatherproof like you would 
normally do?73,Gary K9GS
 Original message From: Doug Daniels  Date: 
7/15/20  4:04 PM  (GMT-06:00) To: Elecraft Reflector  
Subject: [Elecraft] Waterproof SO-239 covers I just built a window antenna 
feedthrough panel, and want some waterproofcovers for the unused bulkhead 
connectors. Most of the online reviews saythat even the ones advertised to be 
waterproof are in fact not waterproof.Anyone have a source for ones that are?-- 
--... 
...--Doug__Elecraft 
mailing listHome: http://mailman.qth.net/mailman/listinfo/elecraftHelp: 
http://mailman.qth.net/mmfaq.htmPost: mailto:elecr...@mailman.qth.netThis list 
hosted by: http://www.qsl.netPlease help support this email list: 
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what others won't,so you can do tomorrow what others can't."
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Re: [Elecraft] Waterproof SO-239 covers

[Dave Cole]

American Radio Supply sells metal covers that thread onto SO-239, and 
have a soft rubber insert.  I have been using them on outdoor connectors 
for years now, and they work well...


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

On 7/15/20 6:50 PM, Drew AF2Z wrote:
I would use Coax Seal. Same idea as duct seal but it's more pliable, 
more wx resistant and a little stickier. It will last forever, never 
hardens and can be peeled off when needed. Might want to screw pl-259 
shells onto the socket threads first, then seal them. The sockets & 
shells will be pristine when you go to use them.


73,
Drew
AF2Z



On 07/15/20 18:52, Tommy wrote:
I wrap some duct seal putty around mine. Get it at Home Depot for 
cheap. Works fine. I forget what I paid, around $2-3 for a brick of it 
I think. Stays soft and pliable.


73 de Tom - KB2SMS


On 7/15/20 7:39 PM, Nate Bargmann wrote:

* On 2020 15 Jul 16:07 -0500, Doug Daniels wrote:
I just built a window antenna feedthrough panel, and want some 
waterproof
covers for the unused bulkhead connectors. Most of the online 
reviews say
that even the ones advertised to be waterproof are in fact not 
waterproof.

Anyone have a source for ones that are?

__
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Re: [Elecraft] Waterproof SO-239 covers

[Drew AF2Z]

I would use Coax Seal. Same idea as duct seal but it's more pliable, 
more wx resistant and a little stickier. It will last forever, never 
hardens and can be peeled off when needed. Might want to screw pl-259 
shells onto the socket threads first, then seal them. The sockets & 
shells will be pristine when you go to use them.


73,
Drew
AF2Z



On 07/15/20 18:52, Tommy wrote:
I wrap some duct seal putty around mine. Get it at Home Depot for cheap. 
Works fine. I forget what I paid, around $2-3 for a brick of it I think. 
Stays soft and pliable.


73 de Tom - KB2SMS


On 7/15/20 7:39 PM, Nate Bargmann wrote:

* On 2020 15 Jul 16:07 -0500, Doug Daniels wrote:
I just built a window antenna feedthrough panel, and want some 
waterproof
covers for the unused bulkhead connectors. Most of the online reviews 
say
that even the ones advertised to be waterproof are in fact not 
waterproof.

Anyone have a source for ones that are?

__
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Re: [Elecraft] Waterproof SO-239 covers

[Ted Edwards W3TB]

First prepare an old PL-259 like Gary K9GS said.
Then go shopping in the plumbing area — not in electrical — and buy Rescue
Tape.  It stretches around that PL-259 to seal it up and sticks to itself
rather than to the connector.  Be careful because you won’t be able to
unwind it but will peak away when cut it with a knife.

And being a plumbing product it will seal to water.  It comes in colors.

I use it for all my outdoor connections. Good stuff!

And I have wondered about those Flex Seal products we see on TV.

On Wed, Jul 15, 2020 at 20:09 Gary K9GS  wrote:

>
> Hi Doug,I've never done this but why not take a PL259, fill it with RTV or
> epoxy, let cure, install on the SO239, and then weatherproof like you would
> normally do?73,Gary K9GS
>  Original message From: Doug Daniels 
> Date: 7/15/20  4:04 PM  (GMT-06:00) To: Elecraft Reflector <
> elecraft@mailman.qth.net> Subject: [Elecraft] Waterproof SO-239 covers I
> just built a window antenna feedthrough panel, and want some
> waterproofcovers for the unused bulkhead connectors. Most of the online
> reviews saythat even the ones advertised to be waterproof are in fact not
> waterproof.Anyone have a source for ones that are?-- --...
> ...--Doug__Elecraft
> mailing listHome: http://mailman.qth.net/mailman/listinfo/elecraftHelp:
> http://mailman.qth.net/mmfaq.htmPost: mailto:elecr...@mailman.qth.netThis
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-- 
73 de Ted Edwards, W3TB and GØPWW

and thinking about operating CW:
"Do today what others won't,
so you can do tomorrow what others can't."
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Re: [Elecraft] Waterproof SO-239 covers

[Gary K9GS]

Hi Doug,I've never done this but why not take a PL259, fill it with RTV or 
epoxy, let cure, install on the SO239, and then weatherproof like you would 
normally do?73,Gary K9GS
 Original message From: Doug Daniels  Date: 
7/15/20  4:04 PM  (GMT-06:00) To: Elecraft Reflector  
Subject: [Elecraft] Waterproof SO-239 covers I just built a window antenna 
feedthrough panel, and want some waterproofcovers for the unused bulkhead 
connectors. Most of the online reviews saythat even the ones advertised to be 
waterproof are in fact not waterproof.Anyone have a source for ones that are?-- 
--... 
...--Doug__Elecraft 
mailing listHome: http://mailman.qth.net/mailman/listinfo/elecraftHelp: 
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Re: [Elecraft] Waterproof SO-239 covers

[Tommy]

I wrap some duct seal putty around mine. Get it at Home Depot for cheap. 
Works fine. I forget what I paid, around $2-3 for a brick of it I think. 
Stays soft and pliable.


73 de Tom - KB2SMS


On 7/15/20 7:39 PM, Nate Bargmann wrote:

* On 2020 15 Jul 16:07 -0500, Doug Daniels wrote:

I just built a window antenna feedthrough panel, and want some waterproof
covers for the unused bulkhead connectors. Most of the online reviews say
that even the ones advertised to be waterproof are in fact not waterproof.
Anyone have a source for ones that are?

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Re: [Elecraft] Waterproof SO-239 covers

[Nate Bargmann]

* On 2020 15 Jul 16:07 -0500, Doug Daniels wrote:
> I just built a window antenna feedthrough panel, and want some waterproof
> covers for the unused bulkhead connectors. Most of the online reviews say
> that even the ones advertised to be waterproof are in fact not waterproof.
> Anyone have a source for ones that are?

Anything you can slip on or off easily will not be water proof.  I have
used 3M rubber splicing tape to good effect over the years as it is self
vulcanizing.  Stretch it as you wrap it and it will fill the gaps.  Then
wrap it with a couple of layers of 3M Super 88 or 33+ electrical tape to
protect it from uV.

I've not tried what you're doing as I've covered splices (UHF to barrel
to UHF, etc) with this method and the connection at the feedpoint of
antennas.  I've opened them years later and everything is clean and dry.
The nice thing is that rubber will cut and peel away easier than the
butyl of Coax Seal and such.  I do use the butyl on connections for
repeaters, hard line ground kits, and such!

Link to the 3M rubber tape:

https://www.3m.com/3M/en_US/company-us/all-3m-products/~/Scotch-Rubber-Splicing-Tape-23/?N=5002385+8709319+8710676+8730567+3294318588=8710748+8744072=rud


73, Nate, N0NB

-- 

"The optimist proclaims that we live in the best of all
possible worlds.  The pessimist fears this is true."

Web: https://www.n0nb.us
Projects: https://github.com/N0NB
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Re: [Elecraft] Waterproof SO-239 covers

[jimw3fa]

Doug not knowing if you are looking for commercial solutions or McGyver ideas. 
I would think that old rubber hose pieces that fit snug or close held on with 
hose clamps should work. The end opposite the feed thru could be sealed with 
silicone or left open if a few inches from the wall. I have also used old leaky 
garden hose over top of hydraulic hoses subjected to vibration rubbing or 
running RG cables inside of the hose that are exposed for additional 
protection.Just a cheap solution.JimSent via the Samsung Galaxy Note9, an AT 
5G Evolution capable smartphone
 Original message From: Doug Daniels  Date: 
7/15/20  17:06  (GMT-05:00) To: Elecraft Reflector  
Subject: [Elecraft] Waterproof SO-239 covers I just built a window antenna 
feedthrough panel, and want some waterproofcovers for the unused bulkhead 
connectors. Most of the online reviews saythat even the ones advertised to be 
waterproof are in fact not waterproof.Anyone have a source for ones that are?-- 
--... 
...--Doug__Elecraft 
mailing listHome: http://mailman.qth.net/mailman/listinfo/elecraftHelp: 
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[Elecraft] Waterproof SO-239 covers

[Doug Daniels]

I just built a window antenna feedthrough panel, and want some waterproof
covers for the unused bulkhead connectors. Most of the online reviews say
that even the ones advertised to be waterproof are in fact not waterproof.
Anyone have a source for ones that are?

-- 

--... ...--
Doug
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