Lessons
Learn the material, not just the answers
12 short lessons across the full syllabus. Every one is free to read without an account — the paywall is on the drilling, not on the teaching.
Basic Electricity & Electronics
20% of the examVoltage, current, resistance and power — the arithmetic every other topic depends on.
Ohm's Law & Power
Ohm's Law without the panic
One relationship, three rearrangements, and the power formulas that fall out of it. This is the most reliable source of marks in the whole paper.
8 min read
Components & Circuits
18% of the examThe parts a station is built from — passives, semiconductors, power supplies and amplifier stages.
Diodes & Transistors
Diodes and transistors
Junctions, forward voltage drops, rectification, Zener regulation, and what the three transistor terminals do.
7 min read
Radio Theory
20% of the examHow signals are generated, modulated, transmitted and recovered.
Frequency & Wavelength
Frequency, wavelength and why bands have names
The 300 ÷ f shortcut, where band names like '2 metres' come from, and how harmonics get you into trouble.
6 min read
Modulation & Emission Modes
Modulation modes compared
AM, FM, SSB and CW — what each one varies, how much bandwidth it needs, and when you would choose it.
7 min read
Transmitters & Receivers
How a superheterodyne receiver works
Mixers, the intermediate frequency, why the design won, and what sensitivity, selectivity, AGC and squelch each mean.
8 min read
Propagation
10% of the examHow signals actually travel — ground wave, sky wave and everything the ionosphere does to them.
The Ionosphere
The ionosphere in plain language
Why 40 metres opens at night, what MUF means, where the skip zone comes from, and how the sun controls all of it.
9 min read
Antennas & Feedlines
12% of the examGetting power out of the radio and into the air with as little wasted as possible.
Feedlines & SWR
SWR: what it actually means
Standing waves, why 1:1 is the ideal, what a high reading really costs you, and what an antenna tuner does and does not fix.
9 min read
Operating Procedures
12% of the examWhat you actually say and do on the air, and how to do it well.
Q Codes, Phonetics & RST
Q codes, phonetics and signal reports
The dozen Q codes that actually get used, the ITU phonetic alphabet, and how to read an RST report.
7 min read
Emergency Communications
Emergency communication procedure
Distress, urgency and safety signals, traffic priority, and what to do if you are the one who hears the call.
6 min read
Regulations & Licensing
15% of the examIndian amateur radio rules, certificate categories, callsigns and permitted operation.
ASOC & Licensing
The ASOC certificate: what it is and how you get one
Categories, eligibility, the examination, callsigns and what happens after you pass. With a standing reminder to check the official notice.
7 min read
Station Safety
8% of the examElectrical safety, RF exposure, lightning protection and working at height.
Electrical Safety
Electrical safety in the shack
What actually kills people, why capacitors stay dangerous after switch-off, and the habits that keep you alive.
6 min read
Morse Code
5% of the examThe character set, timing and operating practice required for the General grade proficiency check.
Characters & Timing
Morse timing and the Koch method
Why PARIS defines speed, what Farnsworth spacing is for, and the learning method that actually works.
8 min read