[MRCA] MRCA Digest, Vol 195, Issue 18

Bart Lee bart.lee.k6vk at gmail.com
Fri Jul 24 20:41:46 EDT 2020 

[MRCA] Color temp for bulb over workbench

The higher the k temperature, = more blue, the more dangerous to the eyes
and to sleep, especially if used at night.

https://www.researchgate.net/publication/328507251_LED_Illumination_-_A_Hazard_to_the_Eye

73 de Bart, K6VK ##




-- --
Bart Lee

Texts only to: 415 902 7168

www.bartlee.com

{Bart(dot)Lee(dot)K6VK(at)gmail(dot)com}
<http://www.lawforhams.com/>



On Fri, Jul 24, 2020 at 5:25 PM <mrca-request at mailman.qth.net> wrote:

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> Today's Topics:
>
>    1. Re: Military Radio Field Day -2020 Natural Power? (Mkdorney)
>    2. Color temp for bulb over workbench (W2HX)
>    3. AN/GRC-109 (Rich Arland)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 21 Jul 2020 15:56:13 -0400
> From: Mkdorney <mkdorney at aol.com>
> To: Ray Fantini <RAFANTINI at salisbury.edu>
> Cc: Military Radio Collectors Association <MRCA at mailman.qth.net>
> Subject: Re: [MRCA] Military Radio Field Day -2020 Natural Power?
> Message-ID: <B2C2E8BF-A279-45BB-AA84-C483948FBFC0 at aol.com>
> Content-Type: text/plain; charset="utf-8"
>
> I?m with you, Ray
>
> Mark D.
> WW2RDO
>
> ?In matters of style, float with the current. In matters of Principle,
> stand like a rock. ?.   -   Thomas Jefferson
>
> Sent from my iPhone
>
> > On Jul 21, 2020, at 3:37 PM, Ray Fantini <RAFANTINI at salisbury.edu>
> wrote:
> >
> > ?
> > You can keep your natural power QRP stuff; I will be running the mutt
> with its external generator and be burning up gasoline along with running
> high power.
> > Life?s too short for cranking away to get three watts!
> >
> > Ray F/KA3EKH
> > From: mrca-bounces at mailman.qth.net <mrca-bounces at mailman.qth.net> on
> behalf of Mkdorney via MRCA <mrca at mailman.qth.net>
> > Sent: Tuesday, July 21, 2020 3:28 PM
> > To: W2HX <w2hx at w2hx.com>
> > Cc: Military Radio Collectors Association <MRCA at mailman.qth.net>
> > Subject: Re: [MRCA] Military Radio Field Day -2020 Natural Power?
> >
> > CAUTION: This email originated from outside of Salisbury University.
> Please exercise caution when clicking links or opening attachments from
> external sources.
> >
> >
> > Have you ever tried to transmit using a military generator like the
> GN-45 or GN-52 ?  Great if you?re young, but sucks when your ?mature?. But
> if you?re into giving yourself a self inflicted heart attack........
> >
> > Mark D.
> > WW2RDO
> >
> > ?In matters of style, float with the current. In matters of Principle,
> stand like a rock. ?.   -   Thomas Jefferson
> >
> > Sent from my iPhone
> >
> > > On Jul 21, 2020, at 3:23 PM, W2HX <w2hx at w2hx.com> wrote:
> > >
> > > ?Pedal the generator, send and receive CW at 60 wpm, take notes, log
> contacts simultaneously, sure. But can he chew gum at the same time?!
> > > 73 Eugene W2HX
> > >
> > >
> > > -----Original Message-----
> > > From: mrca-bounces at mailman.qth.net <mrca-bounces at mailman.qth.net> On
> Behalf Of B. Smith
> > > Sent: Tuesday, July 21, 2020 2:15 PM
> > > To: Military Radio Collectors Association <mrca at mailman.qth.net>
> > > Subject: Re: [MRCA] Military Radio Field Day -2020 Natural Power?
> > >
> > > Any extra points for "Natural Power"?
> > > Z
> > > http://k4che.com/Tempvideo/G76%20Generator%20Mod/K4cheG76Mod.mp4
> > >
> > >
> > >
> > >> On 7/19/2020 11:39 AM, Al Klase wrote:
> > >> Folks,
> > >>
> > >> As you probably know, the Military Radio Collectors Association's 2020
> > >> Fall Meet has been cancelled.  However,  W3LP (The Amish chapter of
> > >> MRCA) is stepping up by sponsoring Military Radio Field Day 0n 26-27
> > >> September 2020.
> > >>
> > >> Let's treat this as Virtual Gilbert.  Details on the MRCA Website
> > >> <http://www.mrca.ar88.net/>.
> > >>
> > >> 73,
> > >> Al
> > >> --
> > >> Al Klase ? N3FRQ
> > >> Jersey City, NJ
> > >> http://www.skywaves.ar88.net/
> > >>
> > >>
> > >> ______________________________________________________________
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> ------------------------------
>
> Message: 2
> Date: Fri, 24 Jul 2020 22:34:46 +0000
> From: W2HX <w2hx at w2hx.com>
> To: Military Radio Collectors Association <mrca at mailman.qth.net>
> Subject: [MRCA] Color temp for bulb over workbench
> Message-ID: <edbcee10-794b-4702-baab-fa6978e6767e at w2hx.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hi all. Time for me to replace the dim T9 circular bulb in the magnifying
> glass lamp I use on the workbench.
>
> Figuring I'll get a led replacement for the normally florescent bulb.  I
> have a choice of 2700k 4500k or 6000k any opinions of which would give the
> best lighting for repair work?
>
> Thanks
> 73 Eugene W2HX
>
> Sent from Nine<http://www.9folders.com/>
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> Message: 3
> Date: Sat, 25 Jul 2020 00:25:18 +0000
> From: Rich Arland <k7sz at live.com>
> To: Military Radio Collectors Association <mrca at mailman.qth.net>,
>         "mrca-bounces at mailman.qth.net" <mrca-bounces at mailman.qth.net>
> Subject: [MRCA] AN/GRC-109
> Message-ID:
>         <
> BN6PR1301MB1873798CAD348988024A2C5EF6740 at BN6PR1301MB1873.namprd13.prod.outlook.com
> >
>
> Content-Type: text/plain; charset="iso-8859-1"
>
> The little brown truck arrived two days ago and my GRC-109 was on board.
> Jeff, W1AEA certainly knows how to pack a radio!!! After getting through
> all the straps, tape, foam board, close cell foam, etc. I got a look at the
> radio system. He even included a 80 M Xtal!! In addition Jeff found the
> original TM and he is forwarding it to me! Great spirit lifter for sure.
> Being sequestered with two adult females, one 4 yr old great grandson,
> three dogs (one is a puppy), two cats, and (are you ready for this??) We
> have a female wood duck that used our front  bushes to sit on 10 eggs and
> the hatched so we have momma duck and her brood or 10 chicks! (HELP me
> PLEASE!!!!)
>
> I have some FT-243 Xtals for both 80 & 40M so I will use the GRC-109
> during the upcoming military field day in September.
>
> (Psssst.....anybody have a 1L6 the want to sell?)
>
> Vy 73
>
> Rich  K7SZ
>
>
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> End of MRCA Digest, Vol 195, Issue 18
> *************************************
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