The deviation is 15 kHz, or you're seeing 15 kHz of bandwidth on the spectrum analyzer? The latter would be normal, the former wouldn't be.
> -----Original Message----- > From: Repeater-Builder@yahoogroups.com > [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Tim Sawyer > Sent: Saturday, August 21, 2010 1:33 PM > To: Repeater-Builder@yahoogroups.com > Subject: Re: [Repeater-Builder] Re: Intermod Calculation > > > > I haven't noticed a hum. There's more of a scream on it. > > It's POCSAG. Is that analog? > > The dev is basically 15 Khz but there is, what I going to > call splatter that is like 30 Khz. > > -- > Tim > :wq > > On Aug 21, 2010, at 10:14 AM, MCH wrote: > > > > > Many times (but not all), there will be a grungy sound > with the spur. > Think of a very loud 60 cycle hum. > > And 15 kHz is higher than normal. I think the typical > shift is 5 kHz > (+/- 2.5 kHz) if we are talking about digital paging. > Analog might be 15 > kHz, as the bandwidth limit would be 16 kHz. > > Joe M. > > Tim Sawyer wrote: > > > > > > I'm not sure what you mean by grungy. What are you getting at? > > -- > > Tim > > :wq > > > > On Aug 21, 2010, at 6:59 AM, MCH wrote: > > > >> Does it have a 'grungy' sound to it when you hear it > on your input? > > > > > > > > > > > > >
