Skip to main content

Amateur Radio License Exam Practice Applications

The amateur radio license exam practice applications on this site offer two features. First, they provide practice exams randomly constructed from the actual examination question pools. Second, as each exam question is displayed, study materials related to the question are displayed as well.

The practice exams can be found at:

Exam Practice Instructions

The exam practice screen is shown above. A question is presented along with four multiple choice answers. A correct answer will be highlighted in green. If the wrong answer is selected, it will be highlighted in red. Additional answers can be selected to determine the correct answer, but only the first selected answer will count in the test score. If exam question requires a figure, it will be shown below the multiple choice answers.

Study Material Instructions
As each question is displayed, related study material may be displayed in the 'Available Study Material section of the page, (shown below).

The resources are actually contributed by users of the practice exams. As you review each question, if you know of a good online resource that relates to the question, please add it using the submission form. Just copy the complete web address of the online resource into the 'Link:' field, and an appropriate tittle into the 'Title:' field. For example, to add the Wikipedia page about standing wave ratios you'd copy

into the 'Link:' field and place something like

Q Codes from Wikipedia

into the 'Title:' field and click the 'Submit' button. Usually, your newly added resource will be reflected on the page immediately. If not, then click on the 'View Updates' button to see the new resource you added as well as resources added by other users.

The exam questions are hierarchically organized into groups of related questions. By using the 'Show study material for' controls, you can view study material related only to the specific exam question shown, or the material linked to every question in the exam question's group.

You can also rate study materials. If you particularly like a resource link, click on the thumbs up button. If you don't like it, click the thumbs down button. The accumulated votes of all users are shown beside the study resource link.


viagra said…
Really great post, Thank you for sharing This knowledge.Excellently written article, if only all bloggers offered the same level of content as you, the internet would be a much better place. Please keep it up!

Popular posts from this blog

Cool Math Tricks: Deriving the Divergence, (Del or Nabla) into New (Cylindrical) Coordinate Systems

The following is a pretty lengthy procedure, but converting the divergence, (nabla, del) operator between coordinate systems comes up pretty often. While there are tables for converting between common coordinate systems, there seem to be fewer explanations of the procedure for deriving the conversion, so here goes!

What do we actually want?

To convert the Cartesian nabla

to the nabla for another coordinate system, say… cylindrical coordinates.

What we’ll need:

1. The Cartesian Nabla:

2. A set of equations relating the Cartesian coordinates to cylindrical coordinates:

3. A set of equations relating the Cartesian basis vectors to the basis vectors of the new coordinate system:

How to do it:

Use the chain rule for differentiation to convert the derivatives with respect to the Cartesian variables to derivatives with respect to the cylindrical variables.

The chain rule can be used to convert a differential operator in terms of one variable into a series of differential operators in terms of othe…

The Valentine's Day Magnetic Monopole

There's an assymetry to the form of the two Maxwell's equations shown in picture 1.  While the divergence of the electric field is proportional to the electric charge density at a given point, the divergence of the magnetic field is equal to zero.  This is typically explained in the following way.  While we know that electrons, the fundamental electric charge carriers exist, evidence seems to indicate that magnetic monopoles, the particles that would carry magnetic 'charge', either don't exist, or, the energies required to create them are so high that they are exceedingly rare.  That doesn't stop us from looking for them though!

Keeping with the theme of Fairbank[1] and his academic progeny over the semester break, today's post is about the discovery of a magnetic monopole candidate event by one of the Fairbank's graduate students, Blas Cabrera[2].  Cabrera was utilizing a loop type of magnetic monopole detector.  Its operation is in concept very simpl…

Kids R Kapable

Just a little note to concerned ‘grownups’ everywhere.  If you look at a kid—and I mean really look—I don’t mean notice a person shorter than you, I mean make eye contact, notice their facial expression and observe their body language—If you look at a kid, don’t assume they need your help unless they’re obviously distressed, or ask for it.  You might think this is difficult call to make.  You might think, not having kids of your own, that you’re unable to make this determination.  You are.  You do in fact, already have the skills even if you’ve never been around kids  It’s a remarkably simple call to make, just use the exact same criteria you would for determining if an adult was in distress.  Because, guess what, kids and adults are in fact the same species of animal and communicate in the same way.  Honest.  If someone—adult or child—doesn’t need your help, feel free to say hello, give a wave, give a smile, but don’t—do not—try to force help on anyone that doesn’t want or need it.