Yep, it comes back to the tx being set up correctly.

Dean

Quoting Ross Levis <ross@...>:

> You'll probably find they are over deviating with the modulation, as
> well as using more than 5 watts already. The higher the modulation the
> wider the bandwidth, Generally most LPFM operators have no clues how
> much audio to feed into the transmitter and guess based on the volume of
> the commercial stations. But the commercial stations have highly
> compressed audio just sitting under on the standard deviation of 75khz,
> and to get this volume from non-compressed audio requires massive over
> deviation.
>
> The extra power does not increase the bandwidth as such. The strength of
> the signal being received in the radio will make it appear wider, but 2
> stations at 0.2Mhz separation will work just as well at 0.5 or 5 watts
> in the same area, both not very well. 0.3Mhz is the minimum really.
>
> Ross.
> ----- Original Message -----
> From: alnairgrus
> To: LPFM_Radio@...
> Sent: Monday, December 12, 2005 11:20 AM
> Subject: [LPFM] 5 watts in the city
>
>
> Just one question.Why go 5W in the city...fair enough in rural areas
> but isnt LPFM supposed to be local?
> It will wipe out anything whatever that has a lot smaller coverage
> areas.
>
> At present theres stations on the upper band in Auckland that cover
> almost the whole of Auckland and one of them that splatters about
> 300khz eitherside on a standard radio at 500mW and over a large
> coverage area.Imagine at 5 watts it will wipe the band.
> Just my thoughts.
>
> Michael
>



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