Re: [Elecraft] Automatic lightning protection for radios

2021-01-25 Thread RICHARD Martin 
When I moved to Sacramento, I had to show the owner of the biggest
electronics store what a lightning arrestor was using rhe Allied Radio
Catalog I'm dating myself...hi hi
Dick
KN6AA

On Mon, Jan 25, 2021, 14:42 Phil Kane  wrote:

> On 1/24/2021 11:17 AM, Edward R Cole wrote:
>
> > I happen to live in such a location.  We hear thunder every other year
> > and see.see/hear lightning about once out of four years.
>
> Ditto here in the Portland, OR area and in the San Francisco Bay Area
> where we formerly lived.  When I loved in Washington, DC it was like
> ever day or two in the summer.
>
> 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] K4 training

2020-08-05 Thread RICHARD Martin 
A how to video would be a very nice feature, but we must remember the cost
of developing such a thing when our friends at Elecraft have to be in
desperate need of cash.

Due to the Government restrictions their cash flow has essentially stopped
because they cannot efficiently manufacture and ship products.

Thru most of my professional life, I have been responsible for the
conception, prototyping, and manufacture of large scientific instruments
($100K to $5M).  The cost of the manuals/documentation was typically equal
to the development cost of the product.

Dick KN6AA

On Wed, Aug 5, 2020, 00:23 turnbull  wrote:

>
> Gary, This would indeed be an asset.Wonder how much effort this would
> take.73 Doug EI2CNSent from my Samsung Galaxy smartphone.
>  Original message From: Gary Smith  Date:
> 05/08/2020  03:07  (GMT+00:00) To: Elecraft@mailman.qth.net Subject: Re:
> [Elecraft] K4 training Yes, That's the current way of things. What I
> suggest would be more like an on-line video operator's manual sanctioned by
> Elecraft, with logical menu to find the how-to, exactly, the function you
> want being done.I'm not thinking so much where is the Power Switch, but
> more like how to determine which thought process to use with the
> K4/K4D/K4HD to best accomplish commonly used procedures, and then how to
> get that done. Things like the display will be a bugger for awhile & the
> picture being worth a thousand words concept is magnified with concise
> video.Do-it-yourselfers on youtube will not get to the point & will be
> offering opinions which isn't helpful to the direct question. More, you'll
> have to use youtube's search engine to hopefully find what you're looking
> for, and then be subjected to advertisements before and during the
> presentation.It'll all be sorted out, I'm just thinking the official video
> how-to would be a real asset to many. Maybe not.73 & stay safe,GaryKA1J> I
> AM SURE...> When the first K4 is in the hands of users, that there will be
> a> "flurry" of YouTube un-boxing videos.  I am sure the how-to videos> will
> follow.> > 73, steve WB3LGC> > On 8/4/20 3:47 AM, turnbull wrote:> > > >
> Gary makes a good suggestion.TenTec use to have a CD  which> >
> accompanied the Orion 2.   This is going to be a pretty complex> > radio
> with all its features.   "Are we there yet?"Hang in there> > good ship
> Elecraft.73 Doug EI2CNPS Now feel for our friends who do> > not speak
> English.That is the majority of mankind.Sent from my> > Samsung Galaxy
> smartphone.  Original message From:> > Gary Smith <
> g...@ka1j.com> Date: 04/08/2020  07:05  (GMT+00:00) To:> >
> elecraft@mailman.qth.net Subject: [Elecraft] K4 training I would> >
> really like it if when the K4 is released, there were also released> > on
> the same day, training videos showing what to push, what to> > enter, a
> how-to set of videos covering different topics of interest.> > Either a
> bunch of short ones on a web page, sorted by topic &> > exactly to the
> point so they'd be easy to find and could be easily> > replayed till the
> idea is understood. That, or a good legend> > accompanying a long, more
> encompassing presentation with reference> > time marks to know where to
> search for a given demonstration.We all> > learn differently, I have 11
> years of college under my belt, but in> > my old age I still say I learn
> best by observing a demonstration> > than otherwise.But that's just> >
> me.73,GaryKA1JElecraft
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Re: [Elecraft] KPA1500 Cooling

2020-07-25 Thread RICHARD Martin 
If you have to use gas, use Helium.  It is very good especially at reduced
pressures where the mean free path  approaches the dimension  of the
container.

Dick Martin KN6AA

On Sat, Jul 25, 2020, 07:37 W2xj  wrote:

> I would avoid that in ham or broadcast transmitters due to the potential
> skill sets (or lack thereof)of end users. Hydrogen is too explosive in the
> wrong hands.
>
> Sent from my iPad
>
> > On Jul 25, 2020, at 6:41 AM, Rich NE1EE <73.de.ne...@gmail.com> wrote:
> >
> > If you're up to the challenge, hydrogen is a great for cooling. Very
> nice thermal conductivity and thermal capacity. I've worked on systems that
> used it for cooling.
> >
> > ~R~
> > 72/73 de Rich NE1EE
> > On the banks of the Piscataqua
> >
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Re: [Elecraft] Future of KPA500 & KAT500

2020-06-17 Thread RICHARD Martin 
Make a 12 VDC version to assist disaster communications.

Dick KN6AA

On Wed, Jun 17, 2020, 06:06 Mike Harris via Elecraft <
elecraft@mailman.qth.net> wrote:

> I read it as what would their future availability be, nothing to do with
> updating.
>
> Not uncommon to read about the KPA500 being paired with other
> transceiver brands.
>
> Regards,
>
> Mike VP8NO
>
> On 17/06/2020 09:54, Bill Steffey NY9H wrote:
> > what could they do that would  update them  make them taller
> > like the K4 
> >
> > On 6/17/2020 12:47 AM, Don Putnick wrote:
> >> With the sunset of the K3S, what are the plans for the future of the
> >> KPA500
> >> and KAT500? Enquiring minds want to know.
> >> 73 Don NA6Z
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Re: [Elecraft] Field Day and clean radios

2020-06-16 Thread RICHARD Martin 
UV Wands
I checked several LED Chinese uV wands for c band output.  They were
frauds. Buyer beware.

Dick KN6AA

On Tue, Jun 16, 2020, 18:02 W2xj  wrote:

> If that were the case, the radio should never be used outdoors.
>
> Sent from my iPad
>
> > On Jun 16, 2020, at 7:41 PM, Walter Underwood 
> wrote:
> >
> > UV could be rough on the plastic.
> >
> > I strongly agree with the suggestion to use nitrile gloves. That also
> puts the responsibility onto the guest operator instead of onto the person
> who tried to sanitize the radio.
> >
> > wunder
> > K6WRU
> > Walter Underwood
> > CM87wj
> > http://observer.wunderwood.org/ (my blog)
> >
> >> On Jun 16, 2020, at 4:27 PM, W2xj  wrote:
> >>
> >> handheld UV sanitizer.
> >>
> >> Sent from my iPad
> >>
>  On Jun 16, 2020, at 7:03 PM, AB1DD  wrote:
> >>>
> >>> Hi All,
> >>>
> >>> Question on cleaning a K3, specifically during Field Day. We need to
> clean the K3 before a change of operators. What is safe, IE not take off
> the button labels? Alcohol? We will take the rubber ring off the tuning nob.
> >>>
> >>> What's good?
> >>>
> >>> --
> >>>
> >>> 73,
> >>> Carl
> >>> AB1DD
> >>>
> >>> Resistance is futile.
> >>> (don't know about reactance, though)
> >>>
> >>> __
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Re: [Elecraft] [OT] Birds and DX

2020-06-07 Thread RICHARD Martin 
You can purchase light weight telescoping fiberglass poles (about 25') with
a kite that looks like a bird of prey.  The kite bobs, swirls and dives.
Quite an entertaining display.

They work quite well keeping the birds and squirrels away from our fruit
trees.  They are also popular along Sunset Drive in Pacific Grove to deal
with the seagulls.

73s
Dick KN6AA

On Sun, Jun 7, 2020, 12:09 Michael K Bottles via Elecraft <
elecraft@mailman.qth.net> wrote:

> Yup, that is a flashy sparkly thing like the ribbon I suggested. Birds
> don’t seem to like that.
>
> Sent from my iPad
>
> > On Jun 7, 2020, at 11:54, Paul Evans W4/VP9KF  wrote:
> >
> > This _always_ works, as proven in a marina on my boat (and those that
> > adopted it!):
> >
> > Take old CD. Drill a small hole near the edge. Dangle from object or
> > anything nearby with thin string.
> >
> > Works when every other possible bird scarer had failed. No birds. No
> poop.
> >
> > 73, Paul.
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Re: [Elecraft] BNC connector oddity on KX3

2018-02-19 Thread RICHARD Martin 
Sometimes the center pin of the male BNC will get pushed back into the
Teflon insulator.  Run your thumb nail over the end of the connector.  Your
nail should touch the end of the pin.

73's
Dick KN6AA

On Feb 19, 2018 08:55, "rich hurd WC3T"  wrote:

> Hi,
>
> I had an oddity with hooking an antenna to the BNC connector on my KX3 that
> happened enough times to be chalked up to something other than random
> chance.Looking for opinions on whether my solution aligned to your
> experience(s).
>
> I have a complete station - a KX3, a PX3, and a KXPA100.   The KXPA100 is
> connected via a Cables On Demand connector with a PL259 on one end and a
> BNC connector on the other end.  All other interface cables are Elecraft
> standard.
>
> This is NOT the first BNC connector that I've used.  Prior to this last
> acquisition I had a couple of other BNC to PL259 jumpers that I was using,
> and the usual smattering of connectors and adapters in the junque box.
>
> No matter which one I used, If I removed the BNC connector from the rig
> (maybe to go portable, for example, or the last time it was because I
> installed Eneloop Pro batteries to the internal battery holders) I would
> put everything back together, and then would have severe - almost
> debilitating - signal attenuation when I got the rig fired up.   If I
> twisted and spun the BNC connector on the jack, it would improve, and then
> get bad again more often than not.   It could take up to 20 minutes to get
> everything "dialed in" so that the signal was appearing again. God help me
> if I accidentally moved something after that.  And of course, while all
> this was happening the ATU was having fits, with 99:1 SWR readings and the
> amp was going offline; all kinds of weirdnesses.   After things calmed
> down. the ATU behaved itself, the amp stopped being pouty, and all was then
> good.
>
> Thankfully, now that I have the Cables On Demand product, things seem to
> have quieted down - although I still don't disconnect without provocation.
> :)   Though I'm desperately afraid of when I start to go mobile after the
> snow melts and the weather gets nice again.   :)Hope I can get my IC706
> fixed and back in service as my base station before that occurs.
>
> My question was going to be in desperation more than anything else if this
> last cable didn't work, but thankfully, that's been the only cable vendor
> that I trust for any of my specialized cables and they haven't failed me
> even with this one.
>
> Are BNC connectors that finicky?   Is it possible that I just had a bad
> batch of low quality jumpers?   I'm just wondering if anyone else has had
> excessive fiddling with their BNC connections.
>
> ---
> 72,
> Rich Hurd / WC3T / DMR: 3142737
> PA Army MARS, Northampton County RACES, EPA-ARRL Public Information Officer
> for Scouting
> Latitude: 40.761621 Longitude: -75.288988  (40°45.68' N 75°17.33' W) Grid:
> *FN20is*
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Re: [Elecraft] Using a quadcopter to hang an antenna

2017-10-25 Thread RICHARD Martin 
I use my 7 lb payload hex copter with a payload release and a round one
pound fishing weight..great fun.

Dick
KN6AA

On Oct 24, 2017 14:59, "Ron D'Eau Claire"  wrote:

> Looks neat and like a lot of fun, but around here I could hire more than
> half a dozen climbs by an insured expert for the >$800 cost of the system.
> And they install a screw eye in the trunk for a stable and nearly permanent
> attachment. I have them install a pulley attached to the screw eye so I can
> drop the antenna or replace the downhaul line as needed over the years.
>
> Even so, a quadcopter to play with... H...
>
> 73, Ron AC7AC
>
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of John Harper
> Sent: Tuesday, October 24, 2017 2:06 PM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Using a quadcopter to hang an antenna
>
> A few weeks ago several folks here were discussing the hanging of an
> antenna
> line with a quadcopter and were wondering what's available to allow a quad
> to drop a line over a tall tree or other structure.
>
> https://ae5x.blogspot.com/2017/10/using-quadcopter-to-
> hang-antenna-line.html
>
> I just finished putting my 80m dipole up at the 90-foot level and took a
> few
> photos of what I use to do it. The key to the whole thing is the payload
> release device since a quad cannot descend with the line still attached.
>
> --
>
> John AE5X
> https://ae5x.blogspot.com
>
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