---------------------------------------------------------- Europa-List Digest Archive --- Total Messages Posted Sat 08/28/21: 7 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 01:06 AM - Re: ofcom gobbledegook ?? (Alan Burrill) 2. 01:37 AM - Re: ofcom gobbledegook ?? (Brian Davies) 3. 02:39 AM - Re: ofcom gobbledegook ?? (Paul Munford) 4. 02:59 AM - Re: N11EU Update (Area-51) 5. 06:12 PM - Re: N11EU Update (n7188u) 6. 06:16 PM - Re: N11EU Update (n7188u) 7. 08:42 PM - Re: Re: N11EU Update (Pete) ________________________________ Message 1 _____________________________________ Time: 01:06:22 AM PST US From: Alan Burrill Subject: Re: Europa-List: ofcom gobbledegook ?? This is what I have done for my aircraft and installation. I have attached t o the aircraft documents the following: I have undertaken an assessment required by Ofcom to determine the risk of e xposure to harmful EMF radiation from equipment installed and determined the following. FLARM Equipment: The radiated power is below that required for an assessment .. VHF Handheld Radio: The radiated power is below that required for assessment .. VHF Radio: The manufactures stated specification for nominal output power i s 6 watt. The radio is used for less than 90 seconds in any 6 minute period a nd is therefore compliant. Transponder: I have undertaken an assessment an determined that with a manuf actures specified output of 125 watt and a duty cycle of 0.55% the radiated p ower is less than 4 watt. The compliance distance required is determined as l ess than 26cm (0.26m). The antenna is mounted in the rear fuselage and is mo re than 26 cm from the passenger compartment and is is only selected to tran smit prior to take-of and deselected as part of the after landing checks. =46rom the above assessment I have determined that there is no risk of EMF e xposure to the General Public from any transmitter equipment installed in th is aircraft. This is specific to my aircraft but hope that helps. Alan Burrill PS I am a retired radar engineer and provided the technical feedback/advice o n compliance to the CAA and Ofcom through AOPA. Sent from my iPad > On 28 Aug 2021, at 07:52, Alan Burrill wrote: > > =EF=BB=46rom the AOPA Website: > > https://www.aopa.co.uk/news-media/selected-news/item/745-ofcom-emf-guidanc e-for-aeronautical-radio-users.html > > Alan Burrill > > Sent from my iPad > >>> On 27 Aug 2021, at 20:51, Paul Munford wrote: >>> >> =EF=BB >> To =93 Brian Davies >> >> re =93 Ofcom,....Try as I might I cannot find any reference to this on the LAA website ? >> >> Any clues as to it=99s whereabouts please on the site ? >> >> Thankyou >> >> Paul >> >> From: Brian Davies >> Sent: Thursday, August 26, 2021 9:40 AM >> To: Europa-List@Matronics. Com >> Subject: Re: Europa-List: ofcom gobbledegook ?? >> >> And for those not members of AOPA the LAA website has information. Basic ally, don't worry about it at the moment. >> >> Brian Davies >> >> On Wed, Aug 25, 2021 at 8:06 PM Alan Burrill wrote: >>> I wrote an article for the August AOPA magazine. >>> >>> Alan Burrill >>> G-OBJT >>> >>> Sent from my iPhone >>> >>>> On 25 Aug 2021, at 19:16, Paul Munford wrote: >>>> >>>> =EF=BB >>>> Hi All, >>>> >>>> Has anyone else had a letter from =98Ofcom=99 (UK) regardin g licensing conditions ??? >>>> >>>> Didn=99t understand a word of it & how it relates to us pilots ?? >>>> >>>> There is a due date of 18th Nov 2021 relating to our frequency useage b ut don=99t understand what we are supposed to do ?? >>>> >>>> I=99m flying with a Garmin 225a transeiver & a Garmin GTX 328 Tra nsponder (installed 5yrs ago). >>>> >>>> Any help please ?? >>>> >>>> Paul Munford G-OVPM ________________________________ Message 2 _____________________________________ Time: 01:37:06 AM PST US From: Brian Davies Subject: Re: Europa-List: ofcom gobbledegook ?? The LAA guidance link is contained in the Latest News section of the website http://www.lightaircraftassociation.co.uk/2021/News/Ofcom_guidance.html As Alan says, OFCOM have backed off and now recognise (we hope) that our little aircraft are no threat and they are owned by people who are not experts in the subject. As a result of input from the LAA and AOPA , OFCOM have issued simplified guidance see https://www.ofcom.org.uk/__data/assets/pdf_file/0027/220797/emf-licence-con dition-what-you-need-to-know-aeronautical-radio.pdf Brian On Sat, Aug 28, 2021 at 9:09 AM Alan Burrill wrote: > This is what I have done for my aircraft and installation. I have attache d > to the aircraft documents the following: > > I have undertaken an assessment required by Ofcom to determine the risk o f > exposure to harmful EMF radiation from equipment installed and determined > the following. > > FLARM Equipment: The radiated power is below that required for an > assessment. > > VHF Handheld Radio: The radiated power is below that required for > assessment. > > VHF Radio: The manufactures stated specification for nominal output powe r > is 6 watt. The radio is used for less than 90 seconds in any 6 minute > period and is therefore compliant. > > Transponder: I have undertaken an assessment an determined that with a > manufactures specified output of 125 watt and a duty cycle of 0.55% the > radiated power is less than 4 watt. The compliance distance required is > determined as less than 26cm (0.26m). The antenna is mounted in the rear > fuselage and is more than 26 cm from the passenger compartment and is is > only selected to transmit prior to take-of and deselected as part of the > after landing checks. > > From the above assessment I have determined that there is no risk of EMF > exposure to the General Public from any transmitter equipment installed i n > this aircraft. > > > This is specific to my aircraft but hope that helps. > > Alan Burrill > > PS I am a retired radar engineer and provided the technical > feedback/advice on compliance to the CAA and Ofcom through AOPA. > > Sent from my iPad > > On 28 Aug 2021, at 07:52, Alan Burrill wrote: > > =EF=BBFrom the AOPA Website: > > > https://www.aopa.co.uk/news-media/selected-news/item/745-ofcom-emf-guidan ce-for-aeronautical-radio-users.html > > Alan Burrill > > Sent from my iPad > > On 27 Aug 2021, at 20:51, Paul Munford wrote: > > =EF=BB > To =93 Brian Davies > > re =93 Ofcom,....Try as I might I cannot find any reference to this on the > LAA website ? > > Any clues as to it=99s whereabouts please on the site ? > > Thankyou > > Paul > > *From:* Brian Davies > *Sent:* Thursday, August 26, 2021 9:40 AM > *To:* Europa-List@Matronics. Com > *Subject:* Re: Europa-List: ofcom gobbledegook ?? > > And for those not members of AOPA the LAA website has information. > Basically, don't worry about it at the moment. > > Brian Davies > > On Wed, Aug 25, 2021 at 8:06 PM Alan Burrill wrote: > >> I wrote an article for the August AOPA magazine. >> >> Alan Burrill >> G-OBJT >> >> Sent from my iPhone >> >> On 25 Aug 2021, at 19:16, Paul Munford wrote: >> >> =EF=BB >> Hi All, >> >> Has anyone else had a letter from =98Ofcom=99 (UK) regarding licensing >> conditions ??? >> >> Didn=99t understand a word of it & how it relates to us pilots ?? >> >> There is a due date of 18th Nov 2021 relating to our frequency useage bu t >> don=99t understand what we are supposed to do ?? >> >> I=99m flying with a Garmin 225a transeiver & a Garmin GTX 328 Tran sponder >> (installed 5yrs ago). >> >> Any help please ?? >> >> Paul Munford G-OVPM >> >> ________________________________ Message 3 _____________________________________ Time: 02:39:38 AM PST US From: "Paul Munford" Subject: Re: Europa-List: ofcom gobbledegook ?? Alan/Brian, Thankyou so much ! Extremely helpful & reassuring. Regards Paul Munford From: Alan Burrill Sent: Saturday, August 28, 2021 9:06 AM Subject: Re: Europa-List: ofcom gobbledegook ?? This is what I have done for my aircraft and installation. I have attached to the aircraft documents the following: I have undertaken an assessment required by Ofcom to determine the risk of exposure to harmful EMF radiation from equipment installed and determined the following. FLARM Equipment: The radiated power is below that required for an assessment. VHF Handheld Radio: The radiated power is below that required for assessment. VHF Radio: The manufactures stated specification for nominal output power is 6 watt. The radio is used for less than 90 seconds in any 6 minute period and is therefore compliant. Transponder: I have undertaken an assessment an determined that with a manufactures specified output of 125 watt and a duty cycle of 0.55% the radiated power is less than 4 watt. The compliance distance required is determined as less than 26cm (0.26m). The antenna is mounted in the rear fuselage and is more than 26 cm from the passenger compartment and is is only selected to transmit prior to take-of and deselected as part of the after landing checks. >From the above assessment I have determined that there is no risk of EMF exposure to the General Public from any transmitter equipment installed in this aircraft. This is specific to my aircraft but hope that helps. Alan Burrill PS I am a retired radar engineer and provided the technical feedback/advice on compliance to the CAA and Ofcom through AOPA. Sent from my iPad On 28 Aug 2021, at 07:52, Alan Burrill wrote: =EF=BBFrom the AOPA Website: https://www.aopa.co.uk/news-media/selected-news/item/745-ofcom-emf-guidan ce-for-aeronautical-radio-users.html Alan Burrill Sent from my iPad On 27 Aug 2021, at 20:51, Paul Munford wrote: =EF=BB To =93 Brian Davies re =93 Ofcom,....Try as I might I cannot find any reference to this on the LAA website ? Any clues as to it=99s whereabouts please on the site ? Thankyou Paul From: Brian Davies Sent: Thursday, August 26, 2021 9:40 AM To: Europa-List@Matronics. Com Subject: Re: Europa-List: ofcom gobbledegook ?? And for those not members of AOPA the LAA website has information. Basically, don't worry about it at the moment. Brian Davies On Wed, Aug 25, 2021 at 8:06 PM Alan Burrill wrote: I wrote an article for the August AOPA magazine. Alan Burrill G-OBJT Sent from my iPhone On 25 Aug 2021, at 19:16, Paul Munford wrote: =EF=BB Hi All, Has anyone else had a letter from =98Ofcom=99 (UK) regarding licensing conditions ??? Didn=99t understand a word of it & how it relates to us pilots ?? There is a due date of 18th Nov 2021 relating to our frequency useage but don=99t understand what we are supposed to do ?? I=99m flying with a Garmin 225a transeiver & a Garmin GTX 328 Transponder (installed 5yrs ago). Any help please ?? Paul Munford G-OVPM ________________________________ Message 4 _____________________________________ Time: 02:59:25 AM PST US Subject: Europa-List: Re: N11EU Update From: "Area-51" Thanks Chris; laser tool sounds trick Read this topic online here: http://forums.matronics.com/viewtopic.php?p=502995#502995 ________________________________ Message 5 _____________________________________ Time: 06:12:25 PM PST US Subject: Europa-List: Re: N11EU Update From: "n7188u" Here is a picture of the tool on the blade. I use a digital level to level the blade. The laser will shine a spot on the floor and you mark it. Then do the same for the other blades and match all spots. You end up with same angle on all blades with great resolution. I tested for repeatability and it is very good. Chris Read this topic online here: http://forums.matronics.com/viewtopic.php?p=502997#502997 Attachments: http://forums.matronics.com//files/20210828_210741_resized_158.jpg ________________________________ Message 6 _____________________________________ Time: 06:16:21 PM PST US Subject: Europa-List: Re: N11EU Update From: "n7188u" Got permission to post this picture of N11EU touching down. Credit goes to Art Rubin Photography. Chris Read this topic online here: http://forums.matronics.com/viewtopic.php?p=502998#502998 Attachments: http://forums.matronics.com//files/n11eu_landing_767.jpg ________________________________ Message 7 _____________________________________ Time: 08:42:34 PM PST US From: Pete Subject: Re: Europa-List: Re: N11EU Update Very neat idea. > On Aug 28, 2021, at 9:19 PM, n7188u wrote: > > > Here is a picture of the tool on the blade. I use a digital level to level the blade. The laser will shine a spot on the floor and you mark it. Then do the same for the other blades and match all spots. You end up with same angle on all blades with great resolution. I tested for repeatability and it is very good. > Chris > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=502997#502997 > > > > > Attachments: > > http://forums.matronics.com//files/20210828_210741_resized_158.jpg > > > > > > ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message europa-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Europa-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/europa-list Browse Digests http://www.matronics.com/digest/europa-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.