[bvipilots] what's VOR even
- From: hadi <hadirezaei@xxxxxxx>
- To: bvipilots@xxxxxxxxxxxxx
- Date: Tue, 11 Jun 2013 00:22:13 +0430
Hi,
Recently i'm getting some mails about VOR, and what's its all about the
"fly toward VOR" feature of itsyourplane. is it even useful?
I've wrote a simple text, explaining about VOR and such. so if you're
curious, keep on reading.
First of all, a VOR, (Very high frequency Omnidirectional Range) has a
device that is build on the ground.
The VOR devices mostly are built in airports, and some of them are
built at important cities, or simply somewhere between the cities.
So, what will this device do. it's like a radio. it is capable of
sending and recieving signals. Your aircraft is capable of sending and
recieving VOR
signals as well.
what happens here, is that a pilot that wants to fly toward a VOR will
try to lock the VOR device of the aircraft in such a way that the
signals will
make a contact, thus the aircraft will automaticly head in toward the
device's direction that is on the ground. (this is called inbound VOR)
When the Aircraft is going on the opposite direction of the VOR device,
and goes far from it, this is called outbound VOR.
So, Basicly a VOR helps an aircraft to maintain and stay on a course.
now, for flying normally, you wouldn't require to lock on on any VOR or
do inbound/outbound flies. I requested this feature to be added to
itsyourplane
for some reasons, which one of them are online flying. When you're
flying online, sometimes the air traffic controller wants you to go
toward a cirten
VOR, for various reasons.
secondly, when you're flying, sometimes you just want to make your
aircraft go toward a city, or an airport.
Then again, you just want to fly toward one of this VORs, for your own
reason. itsyourplane or michel is capable of doing that.
VORs are waypoints and they have names.
Have you ever tried the command "get distance to next waypoint?"
Waypoints are usually one of these three types
1: intersections. these are the intersections that simply are on map,
and connect airways.
2: VORs. these are the devices that are on the ground, and also marked
on the map as waypoints, and have frequencies to be locked on
3: NDBs. NDB, (non-directional beacon) is also a radio navigation system
which is on the ground, and the aircrafts that have ADF systems,
(automatic direction
finder) can communicate with them, and, allowing the aircraft to track
the NDB.
There is for sure diffrence between NDB and VOR, because they do
diffrent things technically, and the methods of communicating with them
in an aircraft
is completely diffrent. here's an explaination if you're really curious
about it.
an NDB is a Non Directional Beacon - it emits a radio signal in all
directions providing no course guidance, but enables a receiver to
detect it and with
an indicator containing a pointer, enable the signal to be 'homed in'
on, so one can track right to the location of the ground based transmitter.
.
a VOR is: a Very High Omni Range transmitter, which sends out a signal
in all directions as well, but also has 360 individually selectable
radials (courses),
which permits a VOR receiver to detect them. Then, using an indicator
with 360 selectable courses, allow the operator to select an individual
course (referenced
to magnetic North) and actually track the course selected, as well as
have 'TO' and 'FROM' information displayed via a flag, so the navigator
can track
a specified course, both TO and FROM the ground based radio transmitter,
while actually knowing his position relative to the transmitter.
in aviation, navigation system or basicly navaids is a rich topic, and a
real pilot spends a noticeable amount of time to learn them. and it
plays an important
roll of a flight. so of course i can't explain everything, but hey, you
got the idea.
So with this information said, if you check the commands of itsyourplane
regarding VOR, you'll get the idea of how it's going to work.
You can grab the VOR frequencies at the flight planner window of FSX. i
think once you have selected your route and it lists your waypoints,
there is a
button which explains all of the waypoints, and their frequencies as well.
Cheers,
Hadi
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