the process of calculating one's current position by using a previously determined position, or fix, and advancing that position based upon known or estimated speeds over elapsed time, and course
Q: You have been asked for a Radio check, Your Reply to test transmissions should be as follows: The identification of the station calling The identification of the station replying Information regarding the readability of Perfectly Readable with the readability Scale of?
5
Q: You have been asked for a Radio check, Readable is the readability Scale of?
4
Your contact with a ground station fails on the selected frequency. You should?
Attempt to establish communication on another frequency appropriate to the route