Tag: Radios
- How To Talk On A Radio ()
Speaking on a radio is a skill that nearly all EMS personnel possess (some better than others). What makes speaking on a radio different from talking on the phone is that radios are typically only capable of simplex transmission. Two way communication with a radio is based on one person transmitting and the other person […]
- Typical Communication Scenarios ()
Communicating With Dispatch The dispatcher knows what type of ambulance (basic or advanced), where the ambulance is located, and most importantly knows the location of the next call. It is never advisable for an ambulance crew to make the dispatcher angry. Through the work of dispatchers provides a critical link between EMS and the public […]
- Hospital Emergency Administrative Radio (HEAR) ()
The potential of mass disasters on U.S. soil is not new. While most of us think of earthquakes, chemical spills, severe weather, and major accidents, we also have long been considering the potential effects of foreign invaders, and more recently the potential of terrorists from within. Many people today don’t remember the cold war but […]
- How A Repeater Works ()
A radio repeater simultaneously receives a radio signal and re-transmits it at a higher power so it can cover greater distances. This enables communication between radio users where obstructions or distance are a problem. Repeater stations usually have their antennas mounted high up on top of a tall building or hill which ideally is central […]
- EMS System Communications ()
Radios waves are propagated in the environment with the use of transmitters and receivers. When a device can transmit and receive, it is called a transceiver. The Federal Communications Commission regulates all forms of communication in the United States and has set aside a list of frequencies set aside for public safety called the Public […]
- How Radios Work ()
The Radio Wave The basic building block of radio communications is a radio wave. Like waves on a pond, a radio wave is a series of repeating peaks and valleys. The entire pattern of a wave, before it repeats itself, is called a cycle. The wavelength is the distance a wave takes to complete one […]