Re: [Flightgear-devel] incorrect altimetry

2007-02-13 Thread Durk Talsma
Dave Perry wrote: On Mon, 2007-02-12 at 21:18 -0500, John Denker wrote: When will you put this in cvs? Ha, funny joke. If you want to do the one-for-all function, the sooner the better. I hope I did not offend by poking, reading, and questioning. I know I like it when

[Flightgear-devel] [OT]: Range of radios

2007-02-13 Thread Holger Wirtz
Hi all, sorry that I had breaking off my activities for voice communication for FlightGear the last months... I was ill and had pretty much to work. Ok, I have anymore much to work... I think I will present a beta-release of the VoIP-Com-Package for FG the next weeks. For realism purposes I have

Re: [Flightgear-devel] Flightgear remote modules

2007-02-13 Thread Rob Ratcliff
Curtis Olson wrote: Otherwise you are probably going to be wrestling with a complete reachitecting of the entire FlightGear structure. Things like the property system work great in a single thread application, but start to break down when you split modules off into separate computers ...

Re: [Flightgear-devel] Flightgear remote modules

2007-02-13 Thread leee
On Monday 12 February 2007 19:10, Curtis Olson wrote: On 2/12/07, leee wrote: On Monday 12 February 2007 17:54, Jim Campbell wrote: Hi, Curtis has already hinted as to how the following may be done with his remote FDM. To my mind flightgear can be broken down into distinct plugin

Re: [Flightgear-devel] [OT]: Range of radios

2007-02-13 Thread Anders Gidenstam
On Tue, 13 Feb 2007, Holger Wirtz wrote: I think I will present a beta-release of the VoIP-Com-Package for FG the next weeks. For realism purposes I have a simple question: What is the normal range for the Voice-COM-Equipment in a plane? I think that a COM1 in a Cessna is not as one of an

Re: [Flightgear-devel] [OT]: Range of radios

2007-02-13 Thread Torsten Dreyer
Am Dienstag, 13. Februar 2007 15:31 schrieb Holger Wirtz: power... What I need is a simple number which should describe the maximum range og a COM1. For example 5 km? oder 20 km??? No such constant number. It highly depends on - elevation of the ground station - height above ground of the

Re: [Flightgear-devel] [OT]: Range of radios

2007-02-13 Thread Martin Spott
Anders Gidenstam wrote: On Tue, 13 Feb 2007, Holger Wirtz wrote: What is the normal range for the Voice-COM-Equipment in a plane? I'm no expert in this area but isn't most aviation radio communication in the VHF frequency range? I think VHF transmissions are mostly limited to line of

Re: [Flightgear-devel] [OT]: Range of radios

2007-02-13 Thread Dene
Martin Spott wrote: Anders Gidenstam wrote: On Tue, 13 Feb 2007, Holger Wirtz wrote: What is the normal range for the Voice-COM-Equipment in a plane? I'm no expert in this area but isn't most aviation radio communication in the VHF frequency range? I think VHF

Re: [Flightgear-devel] [OT]: Range of radios

2007-02-13 Thread Steve Hosgood
Just a resend of a failed posting from earlier: I (Steve Hosgood) wrote: Anders Gidenstam wrote: On Tue, 13 Feb 2007, Holger Wirtz wrote: I know that exact range answers are depending from more parameters than only the output power... What I need is a simple number which should describe

Re: [Flightgear-devel] [OT]: Range of radios

2007-02-13 Thread Holger Wirtz
Hello *, ok - that was one of my typical need only one parameter question :-) I see that this is not so easy as I thaught... but it is not an insolvable problem. I think I will put a more or less complex formula insite my range detection. Thanks all! Holger -- # ## ## Holger

Re: [Flightgear-devel] ILS service volume issues

2007-02-13 Thread John Denker
On 02/10/2007 12:48 PM, John Denker wrote: ... other service volume issues. The code has no understanding of how azimuth affects the localizer. I fixed this. There are now six localizer courses: -- one front course -- one back course (reverse sensing) -- four false courses (two of

Re: [Flightgear-devel] Flightgear remote modules

2007-02-13 Thread Ralf Gerlich
Hi, Rob Ratcliff wrote: You could use an event distribution (Pub/Sub) paradigm based on something like the CORBA Notification Service (Event Service), the CORBA property service, the newer Data Distribution Service (DDS) or something like the High Level Architecture (HLA). A CORBA ORB TAO

Re: [Flightgear-devel] Flightgear remote modules

2007-02-13 Thread Rob Ratcliff
Hi Ralf, I don't know the deadlines, but I know Doug Schmidt (author of Tao) would. His email is: [EMAIL PROTECTED] Malcolm Spence (of OCI that provide commercial support to this free and open source ORB) would have a good idea as well or could find out. His email is: [EMAIL PROTECTED] There

[Flightgear-devel] Flightgear remote modules

2007-02-13 Thread Jim Campbell
Hi, Curt has pointed out some of the problems in using a non-real time operating system for real-time simulation but there are standards,software and hardware for this (see POSIX 1003.1d etc,real time linux,solaris,vxworks etc) although as has been mentioned portability is an issue. Also

Re: [Flightgear-devel] Flightgear remote modules

2007-02-13 Thread John Wojnaroski
Ralf Gerlich wrote: Hi, Rob Ratcliff wrote: You could use an event distribution (Pub/Sub) paradigm based on something like the CORBA Notification Service (Event Service), the CORBA property service, the newer Data Distribution Service (DDS) or something like the High Level Architecture

Re: [Flightgear-devel] [OT]: Range of radios

2007-02-13 Thread John Denker
On 02/13/2007 09:31 AM, Holger Wirtz wrote: What I need is a simple number which should describe the maximum range og a COM1. For example 5 km? oder 20 km??? As others have pointed out, the simple answer is line of sight. See algorithms below. COM1 in a Cessna is not as one of an Airbus.

Re: [Flightgear-devel] Flightgear remote modules

2007-02-13 Thread Ampere K. Hardraade
On Tuesday 13 February 2007 02:21, Martin Spott wrote: Did you already find one that matches ? Martin. If you want an example: Designing multimedia applications on real-time systems with SMP architecture Abstract Large real-time multimedia systems such as flight simulators have

Re: [Flightgear-devel] Flightgear remote modules

2007-02-13 Thread Norman Vine
Ralf Gerlich writes: Rob Ratcliff wrote: You could use an event distribution (Pub/Sub) paradigm based on something like the CORBA Notification Service (Event Service), the CORBA property service, the newer Data Distribution Service (DDS) or something like the High Level Architecture

Re: [Flightgear-devel] [OT]: Range of radios

2007-02-13 Thread Holger Wirtz
On Tue, Feb 13, 2007 at 05:49:48PM +, Steve Hosgood wrote: [...] So, Holger, if you arrange that all radio transmission packets in FG/MP carry the transmitter's wattage and the location of the source, you can work out the straight-line distance from yourself (call it 'd'), and then do