At least this company Unified micro systems processes orders unlike
IdiotPress !
73-
W1JCW
-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of
Hector Garcia,XE2K
Sent: Sunday, August 10, 2014 12:56 PM
To: Bryan Swadener; towertalk@contesting.com
Subject: Re: [TowerTalk] LED fix for your rotator
Bryan
thanks for sharing your experience and your solution, for others looking
results like this there are also
a solution from Unified micro systems and have a good result
http://www.unifiedmicro.com/ml6.htm
just my 2 cents
J.Hector Garcia XE2K / AD6D
Mexicali B.C DM22fp / El Centro
P.O.Box 73
El Centro CA 92244-0073
USA
http://xe2k.net
Tweeter @XE2K
On Sunday, August 10, 2014 9:50 AM, Bryan Swadener via TowerTalk
<towertalk@contesting.com> wrote:
I use incandescents with a CURRENT regulator. That makes for no inrush
current (5X running current) that kills the filament prematurely. A cheap
and easy to implement LM317L can be configured using ONE resistor to set the
current. Every 5% less than the lamp's normal current results in a 50%
increase in lamp life. 5% less current won't be noticed in lamp brightness.
All the info is in the LM317 datasheet. The only caveat is, the supply
voltage needs to be at least 1.25V greater than the normal lamp voltage.
Cost is about a buck each for the LM317LZ (rated 100mA).
I treated my olde Kenwood TS120S and TS130S rigs ten years ago, and have yet
to experience another burned out lamp (the '130 is used mobile). The best
thing is, there's no ugly spotlight effect that is typical of LEDs
(especially when you don't use wide dispersion LEDs, or remove the LED's
lens).
vy 73,
Bryan WA7PRC
Date: Sat, 9 Aug 2014 11:26:13 -0500
>
>From: Gary <gary_mayfield@hotmail.com>
>To: "towertalk@contesting.com" <towertalk@contesting.com>
>Subject: Re: [TowerTalk] LED fix for your rotator
>
>Nifty, I have run LEDs for several years. My experience has been very good
as well.
>
>You can see my story here:
>http://www.kk0sd.net/rotorlight/rotorlight.htm
>
>73,
>Joe kk0sd
>
>> Date: Fri, 8 Aug 2014 20:28:01 -0700
>> From: jpk5lad@cox.net
>> To: towertalk@contesting.com
>> Subject: [TowerTalk] LED fix for your rotator
>>
>> The older I get, the harder it is to read the dial on my CDE/Hy-Gain/MFJ
rotor
>> control boxes. I never could get very good mileage on the 28 volt bulbs
powered
>> by the internal meter power supply. Those bulbs were not regular
residents in my
>> junk box, and several attempts to provide illumination some other way
were less
>> than successes. I even tried the RotorEZ folks but they won't respond to
their
>> customers' calls.
>>
>> Recently, I discovered an easy to provide, inexpensive, and easily
reproducible
>> way to light up those control boxes. I just uploaded the article to my
website.
>> Go to the home page on my website at: <www.hayseed.net\~jpk5lad\>
>> On the lower left area of the home page menu, choose "Repairing Antenna
Rotators"
>> This will take you to the "Repairing a Rotator" page that gives a
selection of
>> several articles on rebuilding and repairing ham antenna rotators.
>>
>> The new article is titled, "Adding LED Illumination to Antenna Rotator
Control
>> Box" and is menu choice #4.
>>
>> I hope this provides you with some useful hints to make your ham
activities even
>> more enjoyable.
>>
>> 73,
>> Jim - K5LAD
>
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