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Old 3rd March 2017, 06:36   #1
Supervinnie40
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Default Amplified aerial standard?

Hi all,

I've been reading up on radios, dab, signals etc to solve a little thing I'm working on. Then I read that in most cases a rear-window aerial will have an amplifier.
The text would suggest that am/fm aerials such as ours will most often be fitted with an amplifier to boost the signal.

Does our car have that? Does our aerial have an amplifier? And how does the amplifier get powered?
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Old 3rd March 2017, 09:07   #2
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Originally Posted by Supervinnie40 View Post
Hi all,

I've been reading up on radios, dab, signals etc to solve a little thing I'm working on. Then I read that in most cases a rear-window aerial will have an amplifier.
The text would suggest that am/fm aerials such as ours will most often be fitted with an amplifier to boost the signal.

Does our car have that? Does our aerial have an amplifier? And how does the amplifier get powered?
Not sure if they are amp`d but if you are thinking to use the screen Arial for DAB, it will not work.
Ken.
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Old 3rd March 2017, 11:50   #3
David Lawrence
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They are amped, but you read an awful lot of threads about poor reception. For sure its no good for the dab mine only just copes with the radioguy fm radio.
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Old 3rd March 2017, 14:12   #4
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Amplified aerials are generally no use for DAB, I'm working on something else for that. But if the rear windscreen aerial is amplified, it means there is a power going to it. This power is likely to be switched, but by what? And will the Navall unit still make it switch on, or is it needed to do some creative stuff to get it working again?
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Old 3rd March 2017, 14:30   #5
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Quote:
Originally Posted by Supervinnie40 View Post
Amplified aerials are generally no use for DAB, I'm working on something else for that. But if the rear windscreen aerial is amplified, it means there is a power going to it. This power is likely to be switched, but by what? And will the Navall unit still make it switch on, or is it needed to do some creative stuff to get it working again?
My Nav 2 and Nav 3 work great with the vehicles built in aerial`s (Nav2 in the tourer, Nav3 in saloon) without me having to do anything other than plug the lead in and turn the unit`s on. I also have the roof mounted Celsus connected to built in DAB, neither one interferes with the other.
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Old 3rd March 2017, 15:50   #6
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The aerial amplifier in the 75 saloon is located on the nearside D pilar.




The 75 tourer has the aerial amplifier located above the off side load window.




The 12v supply to both types of aerial is located in the grey ISO plug, pin 5 purple/yellow.



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Old 4th March 2017, 18:24   #7
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Thanks Dave. That is excellent. Just gonna double check my set up. The reception is okay-ish, but not as good as other cars I've had.
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