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[aprssig] 433 MHz operation

Scott Miller scott at opentrac.org
Wed Feb 15 21:33:14 UTC 2012


Thanks, good to know.  These aren't compatible with 1200 baud AFSK 
operation, but I'll plan on keeping the crystal the same so it's in the 
right part of the band.

Scott
N1VG

On 2/15/2012 12:31 PM, Andy AB9FX wrote:
> Hi,
> According to IARU Region 1, Cavtat Conference in 2008, alternate frequency
> for APRS operation in Europe is assigned to 432.500MHz. Before it was
> assigned to 433.800MHz by Davos Conference in 2005. And had been changed
> because of intensive QRMs from consumer devices.
> You can google:
> CT08_Cavtat Final plenary minutes
> Go to page 18.
> 73
> Andrew AB9FX, SP3LYR
>
>
> I asume you are looking for frequenties to pretune the radios to.
> Europe has a number of aprs frequenties on 70 cm because it's a very
> regionaly planned band.
> the first used 70cm aprs frequentie is 430.5125 but not every country has
> the full range so a seccond frequentie is sugested but websites are
> conflicting on what it is, I have seen 432.500 and 433.800 At any rate never
> put it between 435 and 438 because that is sattelite usage.
> Also above 440 and below 430 is not usable in europe
>
> 73 Andre PE1RDW
>
>
>
>
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