How far can I transmit on 2 meters?
How far can I transmit on 2 meters?
On VHF frequencies such as 2-meters, antenna height greatly influences how far one can talk. Typical reliable repeater range is about 25 miles (40 km). Some repeaters in unusually high locations, such as skyscrapers or mountain tops, can be usable as far out as 75 miles (121 km).
What can I do with a 2 meter radio?
Ham radio operators use the 2-meter band for general conversations as well as for emergency communications. Ham radio operators are often the first called upon to assist in major disasters with communications between the public and emergency services such a law enforcement, fire and emergency medical services.
Are RF field measurements required?
In general, for services below 65 MHz, measurements of both the electric (E) fields and the magnetic (H) fields may be required. As a result, measurement locations are usually situated in the far-field region, and in general, only electric (E) field measurements are required.
What is a safe RF range?
The threshold level is a Specific Absorption Rate (SAR) value for the whole body of 4 watts per kilogram (4 W/kg). The most restrictive limits on whole-body exposure are in the frequency range of 30-300 MHz where the human body absorbs RF energy most efficiently when the whole body is exposed.
What are the rules for two way radio?
Basic Radio Etiquette Rules • The international radio language is English. • When using a two-way radio, you cannot speak and listen at the same time, as you can with a phone. • Do not interrupt if you hear other people talking. • Do not respond if you aren’t sure the call is for you. Wait until you hear your call sign to respond.
What kind of radio can I use with 2 meters?
Radio amateurs also use 2 meters for OSCAR (Orbiting Satellite Carrying Amateur Radio) operation, sending signals to a satellite (uplink) or receiving signals from the satellite (downlink). The OSCAR segments don’t specify a particular modulation type since CW, SSB and FM are all used for OSCAR operation.
What are the rules for radio relay league?
Some general rules apply: Position the microphone about one inch from your lips. Speak in a normal tone of voice. Select the ALC (Automatic Limiting Control) meter and watch it as you speak.
How to do a two way radio dialog?
1. First listen to ensure the channel is clearfor you. 2. Press the PTT(Push-To-Talk) button. 3. After 2 seconds: 4. Say”recipient’s call sign” 5. Followed by “THIS IS” and “your call sign” 6. Once the person replies, convey your message. Two-Way Radio Protocol 3/29/2017 Sample Dialog