[Dstar] No VK3RBA
Wenlock
wenlock.burton at three.com.au
Sun Mar 29 17:48:28 EST 2009
Thanks David, um I read the 5.4 offest was to avoid the lipds. I'll
side with it being a bit of both depending which end of the band.
Wenlock
David Tilson wrote:
> > Caught me out then, I haven't seen any reference to it being 5
> instead of 5.4mhz. I'll have to reprogram the IC91AD now.
>
> No problems Wenlock and I'm glad we worked out where the problem was.
>
> Australian D-STAR repeaters down at the bottom end of the 70cm
> repeater segment normally use a 5.4MHz offset, but D-STAR repeaters at
> the top end of the 70cm repeater segment, eg: 439.8 and above will
> normally use a 5.0MHz offset to avoid potential LIPD interference on
> the repeater input frequency.
>
> It always pays to check the offset though as a few other Australian
> D-STAR repeaters have unexpected offsets based on their output
> frequency, possibly to avoid LIPD interference.
>
> Cheers,
>
> davidt, VK3UR
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