re: [Flightgear-devel] target heading

2003-07-03 Thread David Megginson
Mehmet Velicangil writes: I have a couple of questions that I am not sure of about the calculation of target heading. is the nav heading the heading from the north or the difference between our aircrafts and the navigation points heading angles and is the nav radial the angle between

re: [Flightgear-devel] target heading

2003-07-03 Thread Alex Perry
Most VOR receivers and indicators have a clever little trick -- if you tune them to the reciprocal of your current radial, they will display a TO flag and reverse the needle sense, greatly simplifying navigation towards a VOR. If your VOR indicator is displaying 90 TO, however, it's

re: [Flightgear-devel] target heading

2003-07-03 Thread David Megginson
Alex Perry writes: From the point of view of learning what VOR and NDB systems do, actually trying to fly a holding pattern on either type of station rapidly shows what the needles do ... and why ... for the contrast. In some ways, I find the NDB holds easier. The ADF works just as well