Pete Martin wrote: >> >> Yup thats the only way really. I'd suggest using the NIT once you've >> found >> one, but I've found that is wrong on some transmitters :( > > I might also add that it has been known to change without warning as > well, Rowridge Mux B changed to a + offset without warning earlier this > year. Erk, that's particularly unfortunate. I don't suppose you can just ask your clients to consult the frequency tables at http://www.ofcom.org.uk/static/reception_advice/digital_trans_guide/index.asp-region=show_all.html Click on the transmitter name to see the offset values.. ? Cheers, Gavin.