Posted for Clark Baker <bakercdb@gmail.com>:

> Hi Colyn,
> I played around with the power supplies and just ended up using a resistor.
> Low tech and I'm the last person to give advice in this area, but it was a
> fun project, it works well, and I learned something.  Sounds like
> homebuilding!
>
> Notice my engineering design process for the heat sinking. I started it,
> but quickly got way over my head.  So, just ended up doing actual testing
> of the thermal properties.  0.35 amps and 0.70 amps (apprx) for the green
> and red, respectively and SUPER bright (did the runway test against a
> Whelen certified setup and various long distances and perceived brightness)
>
>FWIW (not much)
>
>
>
> On Tue, Nov 26, 2013 at 3:38 PM, Colyn Case <colyncase@earthlink.net> wrote:
>
>> I'm interested in what you used for filters too Pete.
>> ...for my home made de-ice lights with super noisy power supplies.
>>
>> On Nov 26, 2013, at 9:06 AM, Gordon Porter wrote:
>>
>> Thanks for the clue, Pete!  Yes, all in one box, but I will re-visit the
>> wiring instructions for the LED lights to make sure what I did was kosher.
>>
>> What filters did you use?
>>
>> Thanks!
>>
>> Gordon
>>
>>
>>
>> -----Original Message-----
>> From: pete@leapfrogventures.com [mailto:pete@leapfrogventures.com]
>> Sent: Tuesday, November 26, 2013 12:13 AM
>> To: Gordon Porter; lml@lancaironline.net; randylsnarr@yahoo.com
>> Subject: RE: [LML] Re: Landing light recommendation
>>
>> I had similar issues with LED position lights that I had built myself.
>> Noise only on the lower frequencies.  It turned out the problem was on the
>> lines between the LED power supply and the LEDs.  Because of this adding
>> filters to the power supply lines to the lights did nothing.  I ended up
>> adding noise filters on the lines going to the LEDs and the problem went
>> away.  This was easy because mine was a home-made setup.  I'm guessing your
>> power supply and LEDs are all contained in one sealed package.
>>
>> Pete
>>
>> -----Original Message-----
>> From: Gordon Porter [mailto:ghp@trustedwealthadvisors.com]
>> Sent: Monday, November 25, 2013 10:20 AM
>> To: lml@lancaironline.net
>> Subject: RE: [LML] Re: Landing light recommendation
>>
>> Hi Randy.
>>
>> I have been tracking down a similar issue.  Thought I had it isolated to
>> one
>> or both of my AFS EFIS'.  Installed a pair of capacitance filters at the
>> advice of Aerotronics... jury still out.
>>
>> My reception issue was "like breaking squelch" but only happened on the low
>> end freqs - 118-121 or so, on both radios, each on separate antennae.  Very
>> consistent and repeatable.
>>
>> I have Aeroleds for landing and both wing tip recognition lights...not the
>> strobes, just wing tip recognition lights.  Aerosun, I think the model is.
>>
>> What freqs are you having issues on??
>>
>> Very frustrating.
>>
>> Gordon
>>
>> ES N144GP
>>
>>
>> Gordon H. Porter
>> Managing Partner
>> Trusted Wealth Advisors, LLP
>> Registered Principal, Cambridge Investment Research, Inc.
>>
>> 800-290-2632  717-757-4908  fax 717-843-0180
>>
>> GHP@TrustedWealthAdvisors.com
>>
>> Securities offered through Cambridge Investment Research, Inc.. Member
>> FINRA/SIPC. Advisory Services offered through Cambridge Investment Research
>> Advisors, Inc., a Registered Investment Advisor. Tax services are offered
>> by
>> Trusted Wealth Advisors LLP. Trusted Wealth Advisors and the Cambridge
>> Investment Research companies are unaffiliated entities.
>> Trading instructions sent via e-mail may not be honored.  Please call our
>> office, or Cambridge Investment Research trading desk at 800-756-8115 ,
>> for
>> all buy/sell orders.  Please be advised that communications regarding
>> trades
>> in your account are for informational purposes only.  You should continue
>> to
>> rely on confirmations and statements received from the
>> custodian(s) of your assets.  The text of this communication is
>> confidential, and use by any person who is not the intended recipient is
>> prohibited.  Any person who receives this communication in error is
>> requested to immediately destroy the text of this communication without
>> copying or further dissemination.  Your cooperation is appreciated.
>>
>> -----Original Message-----
>> From: randylsnarr@yahoo.com [mailto:randylsnarr@yahoo.com]
>> Sent: Monday, November 25, 2013 8:05 AM
>> To: lml@lancaironline.net
>> Subject: Re: [LML] Re: Landing light recommendation
>>
>> Joe , do you get any interference in your radios with these lights?
>> I installed similar lights a year ago and it causes reception issues at
>> times on some frequencies.  Curios if you experienced the same issue...
>> I would also be interested if anyone else has any suggestions on how to
>> resolve this..
>> Thx!
>> Randy Snarr
>> 235/320
>> N694RS
>>
>>
>>
>>
>> --
>> For archives and unsub
>> http://mail.lancaironline.net:81/lists/lml/List.html
>>
>>
>> --
>> For archives and unsub
>> http://mail.lancaironline.net:81/lists/lml/List.html
>>
>
>
>
> --
> Clark Baker
>
> mobile: +44 7557 804 630
>
> bakercdb@gmail.com