On Monday 28 November 2011 11:20:03 Eric van den Berg wrote:
> On 11/28/2011 06:14 PM, Adrian Musceac wrote:
> > On Monday, November 28, 2011 18:31:42 Eric van den Berg wrote:
> >> For GA  (what I have handy right now):
> >> The good old Garmin 400 series: VOR/LOC:-103.5dBm, GS:-87dBm
> >> Avidyne (EntegraII): VOR: 5uV, LOC and GS: 10uV
> >>
> >> www.repeater-builder.com/measuring-*sensitivity*/*dbm*2uv.pdf
> >> /for conversion table!/
> >>
> >> The Avidyne is TSO minimums if I remember correctly. Their units tend to
> >> depend on GPS (and thus do not care much for radio navigation).
> >>
> >> Airline stuff goes down to like 0.5uV (so much more sensitive and
> >> expensive). They can receive a VOR signal at FL300 at quasi-optical
> >> range!
> >
> > Thanks, that is useful data! From what I could gather from different
> > sources on the internet, typical VOR ground equipment operates with
> > around 100-200 W ERP, am I correct?


> That I do not know. But I do know there are long-range and short-range
> VOR-s with significantly different output levels. Not sure how to
> determine the difference easily.
> For NDB-s it is more easy. The short range ones are on or near the
> threshold and at the FAP typically.

The nav.dat file contains 'range' in nm for the nav-aid. 
http://data.x-plane.com/file_specs/Nav740.htm

Perhaps you could use some heuristic to create a reasonable power level to 
meet the published range?

Ron

------------------------------------------------------------------------------
All the data continuously generated in your IT infrastructure 
contains a definitive record of customers, application performance, 
security threats, fraudulent activity, and more. Splunk takes this 
data and makes sense of it. IT sense. And common sense.
http://p.sf.net/sfu/splunk-novd2d
_______________________________________________
Flightgear-devel mailing list
Flightgear-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/flightgear-devel

Reply via email to