The government remaps the lines of variation every 5 years or so and updates IFR/VFR charts. What you may or may not know is that the magnetic north pole moves at a slow rate, this means that over time the course between 2 points will change as the magnetic north pole changes. Welcome to the world of "declination", which is sort of like "variation" and "deviation" that most pilots are familiar with.Īs you most likely know true north and magnetic north aren't in the same place, for various technical reasons aviation uses magnetic north for most navigation purposes. Jay C-JBCS Posts: 35 Joined: Wed 5:55 pm Location: Barrie, Ontario I know it's rather trivial but I was curious what reason might be for the difference.Īs always, thanks for everyone's time here on PE. The 304 desired track continued on down the way to the next intersection after KELPS. What I found was that the desired track from OCN to KELPS was 304 degrees magnetic on the GPS and not 301 radial as shown on the L-4 chart. I can't program the V23 airway so what I tried was to program OCN direct, then all of the intersections along the V23 airway to SLI.
I was trying to program the TEC route from KCRQ to KSNA into the GNS simulator.
#Enroute 4 index simulator
I was tinkering around with Garmin's GNS simulator (installed via the RXP product). The VOR compass rose indicates the V23 airway is on the 301 radial outbound to KELPS.
I'm looking at the Oceanside OCN VOR and the V23 airway on the L-4 chart. I was wondering if the radials for the Victor airways were shown as magnetic or true on the low enroute charts? Hello, I have a question about about Victor airways and their radials off from a VOR.
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