PPL(H) - Private Pilot License: Communication 10 Questions no time limit

1 - What does a readability of 3 indicate?
2 - Urgency messages are messages...
3 - Which Q-code is used for the true bearing from the station?
4 - What does the abbreviation "H24" stand for?
5 - What is the correct way of acknowledging the instruction "Next report PAH"?
6 - What is the correct abbreviation of the call sign D-EAZF?
7 - What is the correct frequency for an initial distress message?
8 - What is the meaning of the phrase "Correction"?
9 - Which transponder code indicates a radio failure?
10 - What does the abbreviaton "FIR" stand for?