 | Home > In Car Electronics > Naka/Hirschmann Aerial |
 
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720   
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Not really sure what you can do wrong with fitting them.
So long as the earths are good it should just work. Does the antenna cable have any tight kinks in it? Is the earth for the head unit good? Try touching an earth cable on the radio casing and see if the signal suddenly improves to test it. |
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27th Apr 2017 11:58am |
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| Intercept Member Since: 27 Feb 2017 Location: Suffolk Posts: 587 
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I've got the Naka aerial on mine and the reception is excellent. Unscrew the whip from the wing mount and check that there is no corrosion on the contact (mine has some copper anti-seize on it in the photo).
 Click image to enlarge The ground plane must be good for the aerial to function properly. Mine is earthed to the wing as circled below: Click image to enlarge |
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27th Apr 2017 1:15pm |
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| Rashers Member Since: 21 Jun 2015 Location: Norfolk Posts: 3335 
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This is along shot, and I have no experience with this aerial, but do you have a USB charger plugged in?
I have an 02 plate Focus which I use backwards and forwards to the Park and Ride everyday. My radio reception went really bad (especially BBCR4 which is my chosen morning listen). I got on eBay looking for a replacement head unit and then thought it could be the aerial loose on the head unit. Waiting for the weekend to investigate, I wanted to charge my phone in the wife's car. Removed the USB charger from the Cigarette Lighter and thought no more about it. Next morning, Radio working fine! Got home, plugged the charger in and it went pants again. I have experimented with several USB chargers and some do, some don't. Even my wife's TomTom charger knackers the reception in both the Ford and the Defender (although my Garmin one doesn't). I have the standard Land Rover 1970's wing mounted aerial  and head unit.
As zsd-puma said, not much to go wrong. Maybe it is something not obvious to the aerial / head unit?? Good luck. |
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27th Apr 2017 3:47pm |
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| Mo Murphy Member Since: 01 Jun 2008 Location: Letchworth Garden City, Herts Posts: 2077 
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Thanks Gents, I'll investigate 👍
Mo The Land Rover 90 - Many are called, few are chosen. |
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30th Apr 2017 2:49pm |
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| benjiraison Member Since: 28 Aug 2016 Location: northants Posts: 13  
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My usb charger also causes havoc with the radio
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30th Apr 2017 4:20pm |
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| JustFX Member Since: 10 Nov 2016 Location: Mendip Hills Posts: 190 
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If the USB is causing issues then may I suggest you buy some ferrite cores to clip onto some of the offending wires to reduce noise on the wiring system.
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30th Apr 2017 6:20pm |
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| Retrostu Member Since: 03 Feb 2016 Location: Kent (AKA Garden of England) Posts: 128 
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I started a thread below your re DAB AERIALS but after removing my normal standard aerial I found that it made no difference to the radio reception and in fact one of the small large copper washers fell apart and I couldn't put it back correctly but it still made no difference to the aerial reception. In the end I fitted an inline signal booster which connects to stereo remote blue wire through aerial itself and even then noticed that when the truck was running it was even worse so I decided to take a trip to Halfords to buy a an inline suppressor too which after fitting this the radio reception was no better and my dash cam stayed on permanently because of the suppressor so I removed the suppressor. so anyway after I had gone to the effort of fitting a new ground Earth for the suppressor I decided to leave in situ and join it together with the head unit earth and connect into to the back of the stereo unit harness and hay presto it works a treat no hissing and I get all stations better than ever, even with Ariel at half mast!!. So in a nut shell after you have removed your head unit (TD5) look into the appatchure and you should see a copper coloured self tapping screw right in the middle at the back which holds dash to bulk head remove this attach an eyelet and connect together with your stereo earth worth a try costs peanuts. I suggest the inline signal booster too though to cover all bases plus you need a aerial adaptor PC5-27H ic 130997 and PC5-52 ic 779405 http://www.halfords.com/webapp/wcs/stores/...reId=10001 I have both a pioneer and Sony head unit and all fit together to work correctly. Or just try earth eyelet trick fifst to bulk head as I believe this is steel no Ali IIRC? It's more important to concentrate on what's ahead of you than what you have left behind. This is what I keep watching to remind me why I own/keep my Defender. https://youtu.be/x4DZgOcgn1s |
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1st May 2017 2:24pm |
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| Mo Murphy Member Since: 01 Jun 2008 Location: Letchworth Garden City, Herts Posts: 2077
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Well just to update all. I must have installed on a weekend of bad atmospherics for fm because it's been fine since !
I dismantled and reassembled anyway, made sure everything was clean and tight which it was. So alls well that ends well 😊 Mo The Land Rover 90 - Many are called, few are chosen. |
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13th May 2017 3:34pm |
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| Sadi Member Since: 23 Jul 2015 Location: Windhoek Posts: 334  
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Received as a gift one of the dash cam/reverse camera combinations that clips on to the rear view mirror.
Soon after installation the radio performance dropped dramatically. Checked the aerial connection to radio - it was fine. By chance one day the camera charging cable was disconnected from the cigarette lighter and suddenly radio was back to normal. Also tried it at the back of the vehicle where there is a fixed power supply with 3x cigarette lighter type sockets - same result. Can only deduct that it is a radio frequency interference. Since then noticed that it interferes with Bluetooth audio too. Now charging it overnight and use it mainly for reversing camera purposes on battery power alone. But maybe looking at one of the Garmin options to replace the above. |
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15th May 2017 1:30pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19535
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The standard aerial is to prone to being snapped too in my opinion which is a concern.
As most of you know it's not great for reception either. I'm not sure earthing the wing is great in that location as, as far as I'm aware it's mainly aluminium in those areas. But if it works it's probably okay for just and aerial. There are far better steel earth points nearer the front each side of the radiator. Hope the OP won't get comments for not doing a spell check and typing 'Nakatanenga' in full rather than just the shorter abbreviation which we all know as 'Naka' anyway.  Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 |
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15th May 2017 1:38pm |
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