X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 29 Oct 2013 07:41:25 -0400 Message-ID: X-Original-Return-Path: Received: from nk11p08mm-asmtp001.mac.com ([17.158.58.246] verified) by logan.com (CommuniGate Pro SMTP 6.0.7) with ESMTP id 6568357 for lml@lancaironline.net; Tue, 29 Oct 2013 06:44:32 -0400 Received-SPF: pass receiver=logan.com; client-ip=17.158.58.246; envelope-from=gw5@me.com Received: from [10.0.1.66] (cpe-071-077-249-052.ec.res.rr.com [71.77.249.52]) by nk11p08mm-asmtp001.mac.com (Oracle Communications Messaging Server 7u4-27.08(7.0.4.27.7) 64bit (built Aug 22 2013)) with ESMTPSA id <0MVF007T2F4SFHB0@nk11p08mm-asmtp001.mac.com> for lml@lancaironline.net; Tue, 29 Oct 2013 10:43:44 +0000 (GMT) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.10.8794,1.0.431,0.0.0000 definitions=2013-10-29_03:2013-10-29,2013-10-29,1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=2 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=7.0.1-1308280000 definitions=main-1310290048 Subject: Re: [LML] Re: Noisy COM on low end freqs only....? References: From: George Wehrung Content-type: multipart/alternative; boundary=Apple-Mail-B7D35261-BF2F-4555-BDDC-F925FC4A9AC0 X-Mailer: iPad Mail (9B206) In-reply-to: X-Original-Message-id: <11E01B14-BC39-410F-B357-5A914FD85E1F@me.com> X-Original-Date: Tue, 29 Oct 2013 06:43:37 -0400 X-Original-To: Lancair Mailing List Content-transfer-encoding: 7bit MIME-version: 1.0 (1.0) --Apple-Mail-B7D35261-BF2F-4555-BDDC-F925FC4A9AC0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 And that's not to say Zulus aren't good because a lot of guys have them, the= y work great, and great customer service. =20 Its a Levi's Wranglers thing. Sent from my iPad On Oct 28, 2013, at 14:15, Colyn Case wrote: > I'm with George. > Besides, BOSE is a LOBO sponsor... >=20 > On Oct 28, 2013, at 1:58 PM, George Wehrung wrote: >=20 > I don=E2=80=99t like the fit of the zulu compared to bose for my pointy he= ad. I wear them some days for seven hours at a stretch for 6 days a week de= ployed three months at a time.=20 >=20 >=20 >=20 > =20 > On Oct 28, 2013, at 12:35 PM, Mike wrote: >=20 >> Or Zulu 2's from LightSpeed... You can BlueTooth music as well as phone w= ith the Zulu's. You can only BlueTooth the phone to the A20's, plus the Zul= u's sound much better.... >>=20 >> I demoed the new Zulu PFX that are coming out soon, didn't think much of t= hem for many reasons... Zulu 2's if you go this way, much nicer then the Bo= se A20 >>=20 >> Mike Larkin >>=20 >> Sent from my iPad >>=20 >> On Oct 28, 2013, at 4:32 PM, George Wehrung wrote: >>=20 >>> I found yesterday that with my wife using the Pilot BluLink (blue tooth f= or her iPhone to Bose X headset) that the ICS and comms sounded horrible. =20= >>>=20 >>> Once she turned it off, problems went away. Just a datapoint. Don=E2=80= =99t know if anyone else has had this as well. I may have to upgrade her to= the A20. >>>=20 >>>=20 >>>=20 >>>=20 >>> On Oct 28, 2013, at 7:44 AM, Gordon Porter wrote: >>>=20 >>>> Thanks, Pete. >>>> =20 >>>> This weekend I found that my headset jacks, that I moved to the panel a= t the last minute, were not insulated. I was hopeful I had found the issue.= Not. Next is the audio jack in and other misc. items that contact the pan= el, and running a dedicated ground line to my antenna ground plane. A local= A&P suggested that I ground the panel itself as well. Frustrating. >>>> =20 >>>> I was able to isolate the squelch noise to the "EFIS-trim:" circuit whi= le idling today. Not sure what that means, but will reach out to Aerotronic= s, who did my panel, this week. >>>> =20 >>>> Will keep the group posted.. >>>> =20 >>>> Gordon >>>> =20 >>>> =20 >>>> =20 >>>> Gordon H. Porter >>>> Managing Partner >>>> Trusted Wealth Advisors, LLP >>>> Registered Principal, Cambridge Investment Research, Inc. >>>> =20 >>>> 800-290-2632 717-757-4908 fax 717-843-0180 >>>> =20 >>>> GHP@TrustedWealthAdvisors.com >>>> =20 >>>> Securities offered through Cambridge Investment Research, Inc.. Member = FINRA/SIPC. Advisory Services offered through Cambridge Investment Research A= dvisors, Inc., a Registered Investment Advisor. Tax services are offered by T= rusted Wealth Advisors LLP. Trusted Wealth Advisors and the Cambridge Invest= ment Research companies are unaffiliated entities. >>>>=20 >>>> Trading instructions sent via e-mail may not be honored. Please call o= ur office, or Cambridge Investment Research trading desk at 800-756-8115 >>>> , for all buy/sell orders. Please be advised that communications regar= ding trades in your account are for informational purposes only. You should= continue to rely on confirmations and statements received from the custodia= n(s) of your assets. The text of this communication is confidential, and us= e by any person who is not the intended recipient is prohibited. Any person= who receives this communication in error is requested to immediately destro= y the text of this communication without copying or further dissemination. Y= our cooperation is appreciated. >>>> =20 >>>> From: pete@leapfrogventures.com [mailto:pete@leapfrogventures.com]=20 >>>> Sent: Friday, October 25, 2013 8:54 PM >>>> To: lml@lancaironline.net; ghp@trustedwealthadvisors.com >>>> Subject: RE: [LML] Noisy COM on low end freqs only....? >>>> =20 >>>> I had similar problems with my ES comm. In my case I found two causes.= The first was the aux audio input jack for my comm panel. It was mounted o= n the aluminum dash, which created a ground loop as the barrel of the connec= tor was then connected by both a wire and the panel. Disconnecting the jack= eliminated the hum. Note that the hum was there even when the aux jack was= not enabled =E2=80=93 just its presence created a ground loop. >>>> =20 >>>> The second issue was noise emanating from my LED position lights. This= noise only affected the lower comm frequencies, while the aux jack loop cre= ated a buzz all of the time. You can source these kinds of problems by open= ing the fuses one by one until the problem goes away.=20 >>>> =20 >>>> Pete >>>> =20 >>>> From: YahooMail [mailto:arrow54t@yahoo.com]=20 >>>> Sent: Thursday, October 24, 2013 6:06 AM >>>> To: lml@lancaironline.net >>>> Subject: Re: [LML] Noisy COM on low end freqs only....? >>>> =20 >>>> Gordon, >>>> I had very similar experience with my ES. I tried the alternator filte= r capacitor idea with no luck too. I could eliminate the noise by turning o= ff the alternator field. Turned out to be a ground loop due to the aluminum= headphone mounting jack plates for the rear seat passengers. I installed p= lastic washers with a flange so that the jack bodies wouldn't touch the meta= l plate. Aircraft Spruce sells them just for this purpose. Originally I ha= d plastic washers that didn't have the flange that keeps the jacks in the ce= nter of the hole. No more whining in my plane except from some passengers w= hen there is turbulence! >>>> =20 >>>> Hope this helps, >>>> Mike Salzman >>>> 2005 LNCE >>>> Fairfield, CA >>>>=20 >>>> Sent from my iPad >>>>=20 >>>> On Oct 21, 2013, at 7:37, "Gordon Porter" wrote: >>>>=20 >>>> Well, I have been flying my Lancair ES for 90 hours and loving it. Kn= ocking off the last of the minor squawks. One that has me perplexed is a ve= ry staticy COM background noise: >>>> =20 >>>> Get it on both radios - a G530 and an SL30, on different antennae >>>>=20 >>>>=20 >>>> SL 30 is on an exterior Comant 121; G530 is on a bonded in AAE in verti= cal >>>>=20 >>>>=20 >>>> My transmissions are heard fine >>>>=20 >>>>=20 >>>> I actually here incoming transmissions when it is staticy fairly well,= most of the time >>>>=20 >>>>=20 >>>> The WEIRD part is it is 100% reproducible on 118.xx, 119.xx and 120.xx f= reqs only. Rest of freq spectrum is crystal clear with good range >>>> =20 >>>> I thought I had it narrowed down to the Primary ALT since at 8-900 RPM I= could switch the static off and on with the field switch. So, I put one of= those big capacitors (from B&C) on the PRIM ALT. No improvement at higher R= PMs. Noise is the same with either alternator. >>>> =20 >>>> Any ideas? The lower freqs only has to be a clue, I just don't know wh= at it means!! >>>> =20 >>>> Thanks in advance for any ideas or direction. >>>> =20 >>>> Gordon >>>> Lancair ES N144GP >>>> IO-550 >>>> =20 >>>> =20 >>>> Gordon H. Porter >>>> Managing Partner >>>> Trusted Wealth Advisors, LLP >>>> Registered Principal, Cambridge Investment Research, Inc. >>>> =20 >>>> 800-290-2632 717-757-4908 fax 717-843-0180 >>>> =20 >>>> GHP@TrustedWealthAdvisors.com >>>> =20 >>>> Securities offered through Cambridge Investment Research, Inc.. Member = FINRA/SIPC. Advisory Services offered through Cambridge Investment Research A= dvisors, Inc., a Registered Investment Advisor. Tax services are offered by T= rusted Wealth Advisors LLP. Trusted Wealth Advisors and the Cambridge Invest= ment Research companies are unaffiliated entities. >>>>=20 >>>> Trading instructions sent via e-mail may not be honored. Please call o= ur office, or Cambridge Investment Research trading desk at 800-756-8115 >>>> , for all buy/sell orders. Please be advised that communications regar= ding trades in your account are for informational purposes only. You should= continue to rely on confirmations and statements received from the custodia= n(s) of your assets. The text of this communication is confidential, and us= e by any person who is not the intended recipient is prohibited. Any person= who receives this communication in error is requested to immediately destro= y the text of this communication without copying or further dissemination. Y= our cooperation is appreciated. >>>=20 >=20 >=20 --Apple-Mail-B7D35261-BF2F-4555-BDDC-F925FC4A9AC0 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
And that's not to say Zulu= s aren't good because a lot of guys have them, they work great, and great cu= stomer service.  

Its a Levi's Wranglers thing= .



Sent from my iPad

On Oct 28= , 2013, at 14:15, Colyn Case <= colyncase@earthlink.net> wrote:

I'm with George.
Besides, BOSE is a LOBO sponsor...

On Oct 28, 2013, at 1:58 PM, George Wehrung wrote:
I don= =E2=80=99t like the fit of the zulu compared to bose for my pointy head. &nb= sp;I wear them some days for seven hours at a stretch for 6 days a week depl= oyed three months at a time. 



     
On Oct 28, 2013, at 12:35 PM, Mike= <legacyl2k@gmail.com> wrot= e:

Or Zulu 2's from LightSpeed...  You can Blu= eTooth music as well as phone with the Zulu's.  You can only BlueTooth t= he phone to the A20's, plus the Zulu's sound much better....

<= /div>
I demoed the new Zulu PFX that are coming out soon, didn't think m= uch of them for many reasons...  Zulu 2's if you go this way, much nice= r then the Bose A20

Mike Larkin

Sent from my= iPad

On Oct 28, 2013, at 4:32 PM, George Wehrung <gw5@me.com> wrote:

I found yesterday that with my wife using the Pilot B= luLink (blue tooth for her iPhone to Bose X headset) that the ICS and comms s= ounded horrible.  

Once she turned it off, problems w= ent away.  Just a datapoint.  Don=E2=80=99t know if anyone else ha= s had this as well.  I may have to upgrade her to the A20.



On Oct 28, 2013, at= 7:44 AM, Gordon Porter <ghp@trustedwealthadvisors.com> wrote:

Thanks, P= ete.
 
This weekend I found that my headset jacks, that I moved to the pan= el at the last minute, were not insulated.  I was hopeful I had found t= he issue.  Not.  Next is the audio jack in and other misc. items t= hat contact the panel, and running a dedicated ground line to my antenna gro= und plane.  A local A&P suggested that I ground the panel itself as= well.  Frustrating.
 
I was able to isolate the squelch noise to the= "EFIS-trim:" circuit while idling today.  Not sure what that means, bu= t will reach out to Aerotronics, who did my panel, this week.
 
Will keep t= he group posted..
 
Gordon
 
 
 
Gordon H. Porter
Managing P= artner
Trusted Wealth Advisors= , LLP
Registered Principal, Ca= mbridge Investment Research, Inc.
 
800-290-2632  717-757-490= 8  fax 717-843-0180
<= div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri= , sans-serif;"> 
 

Securities offered through Cambridge Investment Resear= ch, Inc.. Member FINRA/SIPC. Advisory Services offered through Cambridge Inv= estment Research Advisors, Inc., a Registered Investment Advisor. Tax servic= es are offered by Trusted Wealth Advisors LLP. Trusted Wealth Advisors and t= he Cambridge Investment Research companies are unaffiliated entities.= <= /p>

Trading instructions sent via e-mail may not be honor= ed.  Please call our office, or Cambridge Investment Research trading d= esk at 800-756-8115
, for all buy/sell orders.=   Please be advised that communications regarding trades in your accoun= t are for informational purposes only.  You should continue to rely on c= onfirmations and statements received from the custodian(s) of your assets.&n= bsp; The text of this communication is confidential, and use by any person w= ho is not the intended recipient is prohibited.  Any person who receive= s this communication in error is requested to immediately destroy the text o= f this communication without copying or further dissemination.  Your co= operation is appreciated.
 
From: pete@leapfrogventures.com [= mailto:pete@leapfrogventures.com]&= nbsp;
Sent: Friday, October 25, 2013 8:54 PM
To: lml@lancaironline.net; ghp@tru= stedwealthadvisors.com
Subject: RE: [LML] Noisy COM on low end freqs only....?
 
I had similar problems with my E= S comm.  In my case I found two causes.  The first was the aux aud= io input jack for my comm panel.  It was mounted on the aluminum dash, w= hich created a ground loop as the barrel of the connector was then connected= by both a wire and the panel.  Disconnecting the jack eliminated the h= um.  Note that the hum was there even when the aux jack was not enabled= =E2=80=93 just its presence created a ground loop.
<= div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri= , sans-serif;"> 
<= div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri= , sans-serif;">The second issue was= noise emanating from my LED position lights.  This noise only affected= the lower comm frequencies, while the aux jack loop created a buzz all of t= he time.  You can source these kinds of problems by opening the fuses o= ne by one until the problem goes away. 
 
Pete<= /div>
 
 YahooMail [mailto:arrow54t@yahoo.com] 
Sent: Thursday, October 24, 2013 6:06 AM
To: lml@lancaironline.net
Subject: Re: [LML] No= isy COM on low end freqs only....?
 
Gordon,
I had very similar experience with my ES.  = ;I tried the alternator filter capacitor idea with no luck too.  I coul= d eliminate the noise by turning off the alternator field.  Turned out t= o be a ground loop due to the aluminum headphone mounting jack plates for th= e rear seat passengers.  I installed plastic washers with a flange so t= hat the jack bodies wouldn't touch the metal plate.  Aircraft Spruce se= lls them just for this purpose.  Originally I had plastic washers that d= idn't have the flange that keeps the jacks in the center of the hole.  = No more whining in my plane except from some passengers when there is turbul= ence!
 
Hope this helps,
Mike Salzman
2005 LNCE
Fairfield, CA

Sent from my iP= ad


On Oct 21, 2= 013, at 7:37, "Gordon Porter" <ghp@trustedwealt= hadvisors.com> wrote:

Well, I have been flying my Lancair  ES for 90 hours and l= oving it.  Knocking off the last of the minor squawks.  One that h= as me perplexed is a very staticy COM background noise:
 

Get it on both radios - a G530 and an SL30, on different antennae<= br>

SL 30 is on an exterior Comant 121; G530 is on a bon= ded in AAE in vertical

My transmissions are heard f= ine

I actually here incoming transmissions  wh= en it is staticy fairly well, most of the time

=
The WEIRD part is i= t is 100% reproducible on 118.xx, 119.xx and 120.xx freqs only.  Rest o= f freq spectrum is crystal clear with good range
 
I thought I= had it narrowed down to the Primary ALT since at 8-900 RPM I could switch t= he static off and on with the field switch.  So, I put one of those big= capacitors (from B&C) on the PRIM ALT.  No improvement at higher R= PMs.  Noise is the same with either alternator.
=
 =
Any id= eas?  The lower fr= eqs only has to be a clue, I just don't know what it means!!=
 =
Thanks in advance for any ideas or direction.
<= div style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri= , sans-serif; background-color: white;"> <= /o:p>
Gordon<= /span>
Lancair ES N144GP
IO-550
 <= o:p>
 
Gordon H. Porter=
Managing Partner
Trusted Wealth Advisors= , LLP
Registered Principal, Cambridge Investment Resear= ch, Inc.
 
= 800-290-2632 = 717-757-4908  fax 717-843-0180
=  
 

Securities offered through Cambridge Investment Research, Inc.. Member = FINRA/SIPC. Advisory Services offered through Cambridge Investment Research A= dvisors, Inc., a Registered Investment Advisor. Tax services are offered by T= rusted Wealth Advisors LLP. Trusted Wealth Advisors and the Cambridge Invest= ment Research companies are unaffiliated entities.

Trading i= nstructions sent via e-mail may not be honored.  Please call our office= , or Cambridge Investment Research trading desk at 800-756-8115<= /o:p>
, 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 t= he custodian(s) of your assets.  The text of this communication is conf= idential, and use by any person who is not the intended recipient is prohibi= ted.  Any person who receives this communication in error is requested t= o immediately destroy the text of this communication without copying or furt= her dissemination.  Your cooperation is appreciated.



= --Apple-Mail-B7D35261-BF2F-4555-BDDC-F925FC4A9AC0--