Skip to content

Your cart is empty

Continue shopping

Have an account?

Log in to check out faster.

Your cart

Loading...

Estimated total

€0,00 EUR

Tax included and shipping and discounts calculated at checkout

Listen to our SDRs

  • New
  • Swag
  • HotSpot
  • Repeater
    • Build Your Own Repeater
    • ON0ORA
  • BalUn/UnUn
    • Balun/LineIsolator/Choke
    • Unun/Transformers
    • Lightning & Surge Protection
    • AC/DC Choke/LineIsolator
    • Grounding
    • Anti-Corrosion
  • Filters
    • VHF-UHF Filter
    • Line Filters
  • Antenna
    • HF Active RX Antenna
    • HF End Fed Wire Antenna
    • HF Verticals - V-Dipoles
    • HF Rigid Loops
    • HF Doublets - Inverted Vs
    • HF Stealth POTA/SOTA Antennas
    • UHF Antenna
    • VHF Antenna
    • Dualband VHF-UHF
    • Grounding
    • Masts
    • Guy Ropes & Accessories
    • GPS Antenna
    • Mobile Antenna
    • Handheld Antenna
    • ISM Antenna 433/868
    • Antenna Tools
    • Anti-Corrosion Lubricants
    • Dummy Load
  • Coax
    • Coaxial Seal
    • Coax Connectors
    • Panel Mount Connectors
    • Coax Adaptors
    • Coax Tools
    • Coax Cable
    • Coax Surge protection
    • Jumper - Patch cable
  • 19"
  • 13.8 V
    • DC-DC
    • AC-DC
    • Powerpole
    • 13.8 V Cable
  • PA
    • VHF Power Amplifiers
    • UHF Power Amplifiers
  • Parts
    • Ferrite
    • Pi
    • Routers
    • Enclosures
  • PCB
  • SDR
  • APRS
  • LAB|KB
Log in

Country/region

  • Belgium EUR €
  • Germany EUR €
  • Italy EUR €
  • Sweden EUR €
  • Australia EUR €
  • Austria EUR €
  • Belgium EUR €
  • Bulgaria EUR €
  • Canada EUR €
  • Croatia EUR €
  • Czechia EUR €
  • Denmark EUR €
  • Estonia EUR €
  • Finland EUR €
  • France EUR €
  • Germany EUR €
  • Greece EUR €
  • Hungary EUR €
  • Ireland EUR €
  • Italy EUR €
  • Japan EUR €
  • Latvia EUR €
  • Lithuania EUR €
  • Luxembourg EUR €
  • Netherlands EUR €
  • New Zealand EUR €
  • Norway EUR €
  • Poland EUR €
  • Portugal EUR €
  • Romania EUR €
  • Slovakia EUR €
  • Slovenia EUR €
  • Spain EUR €
  • Sweden EUR €
  • Switzerland EUR €
  • United Kingdom EUR €
  • United States USD $
  • YouTube
RF.Guru Logo
  • New
  • Swag
  • HotSpot
  • Repeater
    • Build Your Own Repeater
    • ON0ORA
  • BalUn/UnUn
    • Balun/LineIsolator/Choke
    • Unun/Transformers
    • Lightning & Surge Protection
    • AC/DC Choke/LineIsolator
    • Grounding
    • Anti-Corrosion
  • Filters
    • VHF-UHF Filter
    • Line Filters
  • Antenna
    • HF Active RX Antenna
    • HF End Fed Wire Antenna
    • HF Verticals - V-Dipoles
    • HF Rigid Loops
    • HF Doublets - Inverted Vs
    • HF Stealth POTA/SOTA Antennas
    • UHF Antenna
    • VHF Antenna
    • Dualband VHF-UHF
    • Grounding
    • Masts
    • Guy Ropes & Accessories
    • GPS Antenna
    • Mobile Antenna
    • Handheld Antenna
    • ISM Antenna 433/868
    • Antenna Tools
    • Anti-Corrosion Lubricants
    • Dummy Load
  • Coax
    • Coaxial Seal
    • Coax Connectors
    • Panel Mount Connectors
    • Coax Adaptors
    • Coax Tools
    • Coax Cable
    • Coax Surge protection
    • Jumper - Patch cable
  • 19"
  • 13.8 V
    • DC-DC
    • AC-DC
    • Powerpole
    • 13.8 V Cable
  • PA
    • VHF Power Amplifiers
    • UHF Power Amplifiers
  • Parts
    • Ferrite
    • Pi
    • Routers
    • Enclosures
  • PCB
  • SDR
  • APRS
  • LAB|KB
Log in Cart

Licence Classes, Loopholes and the Myth of the “Real Operator”

A licence grants privileges; practice builds judgement

Licence Classes, Loopholes and the Myth of the “Real Operator”

A licence class tells the regulator which operating privileges you have earned. It does not settle who is curious, careful, inventive or competent in every part of amateur radio.

ON6UREAmateur radioLicence classesPractical skillsMentoringOperating practice
Related reading from RF.Guru
Baluns in a Nutshell: Three Jobs, Not One Label RF Wattmeters: Calibration, Directivity and Error EFHW Power Budget: Coax, Transformer and Matching Loss Why “Common Mode” Is the Most Abused Term in Ham Radio

RF.Guru working definition: Common-mode current is the non-cancelling phasor-sum current in a specified set of conductors, evaluated at a defined cross-section and using a declared current-direction convention. In the intended differential transmission-line mode, the outgoing and return currents are equal and opposite, so their phasor sum is zero. When they do not cancel, the remaining current must close through another reference or return path—such as the outside of a coax shield, a mast, equipment chassis, station wiring, nearby structures, earth, the operator, or distributed coupling through the environment.

This broader working definition is especially useful in practical antenna systems. On transmit, non-cancelling current on the outside of the coax can make the feedline and connected structures part of the radiating antenna system unless that path is intentional, clearly defined and properly controlled—for example by providing the required return path and placing a suitable common-mode choke at the correct boundary.

I have no argument with licensing. Shared spectrum needs competent, authorised operators who understand the rules and control their emissions. My argument begins when a licence class is treated as a caste system—as if a prefix or examination level could rank every operator’s engineering ability, operating judgement or willingness to learn.

My point: compliance is the baseline, not the finish line. An examination can establish a defined minimum and a licence can grant defined privileges. Competence continues to grow through building, measuring, operating, diagnosing mistakes and helping other people do the same.

What a Licence Actually Proves

An amateur-radio licence is first a legal authorisation. Its class identifies the conditions and privileges that apply in the issuing jurisdiction. Passing the required assessment is evidence that the candidate met that authority’s published standard at that level. Those facts matter.

They are not, however, a universal skills leaderboard. An examination samples a syllabus under specified conditions. It cannot observe every skill involved in designing a filter, finding a common-mode path, handling a difficult pile-up, reading propagation, maintaining a repeater, teaching a beginner or recognising when an unsafe experiment must stop.

The ITU-R minimum-qualification recommendation is deliberately broad. It calls for knowledge of regulations, communication methods, radio-system theory, antennas and propagation, measurements, emission safety, operating procedures, electromagnetic compatibility and interference control. A certificate establishes a threshold across a defined selection of that territory; it does not claim permanent mastery of all of it.

The Labels Change at the Border

Foundation, Technician and ON3 are not three names for one international level. Each belongs to a particular regulatory system. Even the words licence, operator certificate and station authorisation do not always describe the same document.

System Current structure What not to infer
United Kingdom Ofcom issues Foundation, Intermediate and Full licences. Each level has its own privileges and conditions. “Foundation” does not mean the operator has no practical or technical skill.
United States For new grants, federal rules specify Technician, General and Amateur Extra examination paths. A class name is not a reliable comparison with a similarly placed class in another country.
Belgium BIPT lists C basic, B novice and A HAREC operator examinations. An operator certificate and a station authorisation are distinct parts of legal operation. ON3 is a call-sign prefix associated with class C, not a synonym for an incapable operator.
CEPT arrangements T/R 61-02 provides the HAREC examination framework, while T/R 61-01 supports qualifying temporary operation across participating administrations. HAREC is not a borderless licence that erases the visited country’s conditions.

That last boundary matters whenever someone thinks they have found a “loophole.” Reciprocal operation, recognition of a certificate and a foreign call-sign format are formal regulatory arrangements, not ways to shop for whichever rule is most convenient. The issuing and visited administrations decide what is recognised and which conditions apply. Check the current authority and the actual licence before transmitting.

Exams Set a Floor, Not a Ceiling

It is tempting to dismiss every amateur examination as a memory test. That is too easy—and it is not factually true across systems. Belgium’s current C examination is multiple-choice, but admission also requires proof of a practical test organised by a recognised amateur-radio association. Its B and A examinations divide questions among technical material, legislation and procedures. The current CEPT HAREC syllabus covers circuits, transmitters, receivers, antennas, propagation, measurements, interference, safety, regulations and operating procedures.

A multiple-choice format still has limits. It can sample whether a candidate recognises a correct answer, but it does not automatically show that the candidate can diagnose a station while the coax, mast, computer cable and building wiring are all participating. Nor does a practical task prove everything else. Good assessment and good mentoring complement one another.

I have met beginners who measure before they argue and experienced licensees who repeat a slogan instead of checking the circuit. I have also met superb high-class operators whose technical depth and on-air judgement were earned over decades. The useful dividing line is not new versus old or lower versus higher. It is whether we remain willing to test what we think we know.

There Is More Than One Kind of Competence

Amateur radio is large enough to need different strengths. Building is not the only authentic form of participation, and buying a radio does not prevent someone from becoming an excellent operator.

Area Competence looks like Evidence
Construction and design Choosing a topology, rating parts, assembling safely and controlling unwanted emissions. Drawings, measurements, load tests, spectral checks and an honest limit statement.
Measurement and diagnosis Choosing a reference plane, controlling variables and distinguishing correlation from cause. Calibration records, A/B/A tests, uncertainty and repeatable observations.
Operating Using the right procedure, listening well, managing a pile-up and sharing a crowded band. Clear exchanges, disciplined identification, considerate bandwidth and effective traffic handling.
Propagation and paths Understanding which band, time, bearing and mode fit the contact. Predictions compared with logs, beacons and repeatable observations—not one lucky opening.
Safety and EMC Recognising electrical, mechanical, RF-exposure and interference risks before energising the station. Applicable rules, an inspection plan, exposure assessment and clean-emission tests.
Teaching and service Helping another operator understand and act without turning knowledge into status. Clear explanations, supervised practice and a community that becomes more capable.

A person can be outstanding in one row and still need help in another. That is normal. The sensible response is collaboration, not deciding who counts as a “real” operator.

A Practical Test Should Test the Operator

I still like the idea behind the biscuit-tin challenge. Give someone wire, basic materials and instruments, then ask for a safe working antenna system. It exposes the difference between repeating a formula and applying it. But do not grade the exercise by demanding a 2,000 km contact on 5 W. Propagation, remote-station performance, noise and chance would dominate the score.

Keep the biscuit tin if it makes the exercise memorable. Grade the parts that belong to the candidate:

  • state the intended band, mode, power and operating goal;
  • inspect the materials and explain the electrical and mechanical safety limits;
  • measure the complex impedance at a declared reference plane;
  • show how matching, feed-line loss and common-mode current are being handled;
  • verify spectral cleanliness and a safe operating configuration;
  • explain what the measurements do—and do not—prove.

A contact can be a satisfying demonstration after that work. It is not a controlled substitute for it. The same principle applies to an operator who does not build: test the procedure, judgement and communication task directly rather than judging the size of a logbook or the age of a call sign.

The Spectrum Cares About Physics; Society Cares About Conduct

The spectrum cannot read a certificate. A mistuned amplifier, unintended common-mode current or excessive occupied bandwidth behaves according to physics regardless of the operator’s class. That was the sharp point behind my original argument, and I stand by it.

But paperwork is not meaningless. Other spectrum users need protection, the public needs reasonable safety controls and administrations are required to verify operational and technical qualifications. Curiosity does not beat compliance. Curiosity builds competence on top of compliance.

A technically clever transmission outside the operator’s privileges is still unauthorised. A fully authorised transmission can still reveal poor judgement if it causes avoidable interference. We need both: the legal authority to operate and the continuing discipline to operate well.

Mentoring Is Where the Licence Becomes a Practice

The examination is a gateway; the station is a long apprenticeship. A new operator needs somewhere to ask why the SWR changes when the cable moves without being laughed out of the room. An experienced operator needs colleagues who will question a cherished shortcut when the measurement disagrees.

That is also how licence progression should feel. More privileges bring more responsibility and a larger technical envelope, not a higher social rank. Encourage the upgrade because the operator wants to learn and use those privileges—not because the lower call-sign class is supposedly embarrassing.

A Better Meaning of “Real Operator”

If the phrase must survive, make it describe behaviour rather than status. A real operator:

  • works within the current authorisation and knows where to verify its conditions;
  • controls bandwidth, power, unwanted emissions and interference;
  • understands the safety limits of the station and stops when they are uncertain;
  • distinguishes a measurement from a slogan and a result from a universal rule;
  • listens, keeps learning and shares what the evidence supports;
  • respects beginners, specialists and operators whose strengths are different.

None of those qualities can be read reliably from Foundation, Technician, ON3, General, HAREC or Extra alone.

Primary Regulatory Sources

  • ITU-R M.1544-1 — Minimum qualifications of radio amateurs: the international operational and technical knowledge framework.
  • CEPT T/R 61-02 — Harmonised Amateur Radio Examination Certificate: HAREC syllabus and national examination framework.
  • CEPT T/R 61-01 — CEPT Radio Amateur Licence: current reciprocal temporary-operation framework and implementation records.
  • BIPT — Belgian amateur-radio examination levels: current C, B and A examination formats and the C practical-test prerequisite.
  • BIPT — Radio amateurs: current distinction between operator certificate, class frequency plan and station authorisation.
  • BIPT — Belgian call-sign conditions: current ON-prefix assignment by operator-certificate class.
  • Ofcom — Amateur Radio Guidance: current UK Foundation, Intermediate and Full licence structure and operating boundaries.
  • 47 CFR §97.501: current United States examination elements for Technician, General and Amateur Extra grants.
  • 47 CFR §97.9: operator-class privileges and operator licence grants in the United States.

Practical Conclusion

A licence class deserves respect for what it actually represents: a published qualification and a defined set of legal privileges. It deserves no mystical power beyond that.

Build if you love building. Become brilliant at propagation, weak-signal work, contesting, public-service traffic or teaching if that is where your curiosity leads. Upgrade when the knowledge and privileges are useful. And whatever is printed on the licence, keep measuring, keep listening and keep enough humility to change your mind when the station proves you wrong.

Follow the Current Path, Not the Folklore

Explore more RF.Guru technical deep dives on transmission lines, common-mode current, baluns, chokes and antenna measurement—and subscribe for new engineering articles and laboratory notes.

Join the notification list →

Mini-FAQ

  • Does a higher licence class guarantee greater practical competence? No. It proves that the holder met the published requirements for that class and grants the corresponding privileges. Practical competence remains specific to the task and continues to develop.
  • Is ON3 a Belgian licence class? ON3 is a call-sign prefix currently associated with Belgium’s class C operator certificate. The certificate class and station authorisation—not a stereotype about the prefix—determine the legal position.
  • Are UK, US and Belgian licence levels directly equivalent? No. Their names, assessments, documents and privileges differ. Use the issuing authority and any applicable CEPT or bilateral arrangement for a current comparison.
  • Do amateur-radio exams test only memorisation? That cannot be said universally. Current syllabi include technical, regulatory and operating knowledge, and some systems include practical assessment. Every assessment format still samples only part of real station practice.
  • Should practical work replace theory and regulation? No. Practical work should reinforce them. Safe, clean and authorised operation needs technical understanding, operating judgement and knowledge of the applicable rules.
  • What makes someone a competent radio operator? Operating within authorisation, controlling emissions and interference, working safely, measuring honestly, communicating well and continuing to learn are better evidence than a class label alone.

Questions, antenna-factor records or height trials to share? Contact RF.Guru.

Joeri Van Dooren, ON6URE — RF engineer, antenna designer and founder of RF.Guru, specialising in practical HF/VHF receiving systems and RF components.

Subscribe here to receive updates on our latest product launches

  • YouTube
Payment methods
  • Bancontact
  • iDEAL Wero
  • Klarna
  • Maestro
  • Mastercard
  • MobilePay
  • PayPal
  • Visa
© 2026, RF Guru Powered by Shopify
  • Refund policy
  • Privacy policy
  • Terms of service
  • Contact information
  • News
  • Guru's Lab
  • Press
  • DXpeditions
  • Fairs & Exhibitions
  • Order Withdrawal
  • Choosing a selection results in a full page refresh.
  • Opens in a new window.
Purchase options
Select a purchase option to pre order this product
Countdown header
Countdown message


DAYS
:
HRS
:
MINS
:
SECS