01 Regulations. 2014-07-03 Explanations unfinished. 2015-09-19 Note added to Q.44 about uncertain correct answers. 02 Frequencies. 2014-07-03 Completed. 03 Electronics Fundamentals. 2014-07-03 Some explanations done. 04 Measurement Units. 2014-07-03 Completed. 05 Ohm's Law. 2014-07-03 Completed. 06 Resistance. 2014-07-03 Some explanations done. 07 Power Calculations. 2014-07-03 Some explanations done. 08 Alternating Current 2014-07-03 Finished written explanations. 09 Capacitors, Inductors, Resonance. 2014-07-03 No explanations done yet. 10 Safety. 2014-07-03 No explanations done yet. 11 Semiconductors. 2014-07-03 No explanations done yet. 12 Device Recognition. 2014-07-03 Some explanations done. 13 Meters and Measuring. 2014-07-03 No explanations done yet. 14 Decibels, Amplification and Attenuation. 2014-07-03 No explanations done yet. 15 HF Station Arrangement. 2014-07-03 No explanations done yet. 16 Receiver Block Diagrams. 2014-07-03 No explanations done yet. 17 Receiver Operation. 2014-07-03 No explanations done yet. 18 Transmitter Block Diagrams. 2014-07-03 No explanations done yet. 19 Transmitter Theory. 2014-07-03 No explanations done yet. 20 Harmonics and Parasitics. 2014-07-03 Some explanations done. 21 Power supplies. 2014-07-03 No explanations done yet. 22 Regulated Power supplies. 2014-07-03 No explanations done yet. 23 General Operating Procedures. 2014-07-03 No explanations done yet. 24 Practical Operating Knowledge. 2014-07-03 No explanations done yet. 25 Q signals. 2014-07-03 Completed. 26 Transmission lines. 2014-07-03 No explanations done yet. 27 Antennas. 2014-07-03 No explanations done yet. 28 Propagation. 2014-07-03 No explanations done yet. 29 Interference and Filtering. 2014-07-03 No explanations done yet. 30 Digital Systems. 2014-07-03 No explanations done yet.