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nix

nix

147 posts

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#298942 29-Jul-2022 08:21

I know there are old forum questions about this but I'm looking for current advice. Are there any empty frequencies left in Auckland? I have a new to me import that I won't be doing the audio on for a while.

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DonH
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  #2947702 29-Jul-2022 09:17
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If the stations you listen to are located near both top and bottom of the 88-108 MHz band, you might be out of luck. Otherwise, pick an expander with a shift that puts the wanted stations in the 76-88 MHz range. 





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BlakJak
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  #2948428 30-Jul-2022 17:47
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I don't understand the question. Why would you need empty frequencies when you've presumably got an import stereo?

 

RSM doesn't like band expanders, but they're crazy common and work fairly well for mainstream stations.

 

Getting one fitted is not particularly expensive. The standard freq shifts of 10, 12 or 14Mhz are fine... that'd put 89.9Mhz up to (for a 14Mhz shift) 104Mhz. There's not a lot except for LPFM at the very top end of FM Broadcast so if you're just wanting mainstream FM broadcast stations (which are generally below 102 Mhz) it'll be fine, probably.

 

I've had my current jap import for 10 years, band expander the whole time because my spare radio doesn't support the reversing camera which I actually value more... and i've never had the $ to splash out on a double-din-camera-supported local-band radio.  It's been good enough.

 

 

 

 





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nix

nix

147 posts

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  #2948459 30-Jul-2022 20:38

I haven't phrased this question particularly well. I was looking for some empty frequencies across the FM spectrum in order to use my Bluetooth transmitter. The car already has a 14Mhz expander and I want to be able to connect a phone for Spotify.

Anyway, it all got a bit too painful so I pulled the stereo out today and connected an aux cable into the media adapter at the back. That way I can connect up an old phone or use my Airfly to listen to music or podcasts in the car.



djtOtago
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BlakJak
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  #2948472 30-Jul-2022 22:02
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nix: I haven't phrased this question particularly well. I was looking for some empty frequencies across the FM spectrum in order to use my Bluetooth transmitter. The car already has a 14Mhz expander and I want to be able to connect a phone for Spotify.

Anyway, it all got a bit too painful so I pulled the stereo out today and connected an aux cable into the media adapter at the back. That way I can connect up an old phone or use my Airfly to listen to music or podcasts in the car.

 

 

 

If you wanted to be scientific about it you'd grab an article like https://en.wikipedia.org/wiki/List_of_radio_stations_in_Auckland and assuming you were in Auckland, pick an unused channel and confirming it was unused, use that...

 

The bluetooth FM sender I have (mainly used when borrowing my MIL's car with no expander) is set to use 88.8Mhz.  But they're such low powered devices that anyone more than a couple of care lengths from you is not going to be phased.

 

But points for an aux cable, definately a better way to go... still think you should consider a band expander, there's value in being able to tune broadcast radio that isn't Mai FM or ZB.





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xor

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  #2975702 1-Oct-2022 03:18
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BlakJak:

I don't understand the question. Why would you need empty frequencies when you've presumably got an import stereo?

 

Presumably because transmitting on a frequency that's in use will get RSM/MBIE after you

dt

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  #2975746 1-Oct-2022 10:52
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nix: I know there are old forum questions about this but I'm looking for current advice. Are there any empty frequencies left in Auckland? I have a new to me import that I won't be doing the audio on for a while.

 

 

 

dont over think it, I had a belkin one 15ish years ago and you just find whatever you can on the fly, if theres any interference you just move it over a few decimals and you're sorted.  

 

I would however suggest just getting a bluetooth audio receiver that plugs into the aux, if your car doesn't have a USB plug you'll need to get a ciggy plug to usb to power it

 

I had something similar in my track car years back and it worked mint, much better than the fm transmitter I used to have

 

https://www.trademe.co.nz/a/marketplace/mobile-phones/accessories/car-speakerphone-kits/listing/3790744720

 

 




nix

nix

147 posts

Master Geek


  #2976220 2-Oct-2022 11:57

Thanks for all the answers to my unclear question!
The car is an older Mazda without an aux cable so I ended up adding an small $20 harness in so I had the aux. Then I plugged in my AirFly and now I have all that I need.

Thanks for all the suggestions.

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