Amateur radio is hobby or pastime enjoyed by many, but with readily available cell phone, it is now usually practiced by an enthusiast rather than a professional, that includes communicating world-wide by two-way radio and can include striving for "DX" receptions that are challenging, usually because of distance.
Obtaining a license
Obtaining a license to operate an amateur radio station requires passing an examination covering technical topics and operating procedures. The exact nature of the assessment varies in each country and by the class of amateur radio license the applicant is seeking. In many countries there are different classes of amateur radio license with different privileges.
Amateur radio licensing by country
The items listed above are the exams you must take and pass to be amateur radio operator. They must be taken in that particular order: technician first, then General second, and finally, extra. In the United States, a person may take and pass all three exams in one setting.
Operating on popular amateur bands
Data on bands and antennas is taken from arrl.org.
- ITU radio band frequency ranges
Here are standard antenna lengths for 1/2 wavelength long dipole antennas and 1/4 wavelength long vertical antennas for some of the popular amateur bands:
|Band||Frequency type||Frequency range||Antenna length|
|160m||Medium||1.8 – 2.0 MHz||234 ft||117 ft|
|80m||High||3.5 – 4.0 MHz||117 ft||58.5 ft|
|40m||High||7.0 – 7.3 MHz||64 ft||32 ft|
|30m||High||10.10 – 10.15 MHz ??||46 ft||23 ft|
|20m||High||14.00 – 14.35 MHz ??||32 ft||16 ft|
|17m||High||18.07 – 18.17 MHz ??||26 ft||13 ft|
|15m||High||21.00 – 21.45 MHz ??||22 ft||11 ft|
|12m||High||24.89 – 24.99 MHz ??||18 ft||9 ft|
|6m||Very high||50 – 54 MHz||8 ft||4 ft|
|2m||Very high||144 – 148 MHz||3 ft||1.5 ft|
Internet Radio Linking Project
- Internet radio