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Definition and terms for HF, VHF and UHF

Pengertian dan istilah untuk HF, VHF dan UHF

Definition and terms for HF, VHF and UHF

Following below are the meanings, word abbreviations and word terms related to the HF, VHF and UHF radio communication fields.

# Definition

Radio Communications HF, VHF and UHF are radio communication devices and devices that function as transmitters / receivers working in the HF, VHF and UHF frequency bands for the needs of radio stations in the terrestrial radio communication service (including Amateur Radio and Communication stations Radio Inter Residents) in accordance with the list of allocation tables in the frequency band.

>Where the device referred to is applied in the form of a mobile device (Handy Talkie) and a fixed device (RIG), among others.

Definition, Terms, Abbreviations of HF, VHF and UHF

The definition of UHF itself is based on wikipedia as follows :

Ultra High Frequency (UHF) is an electromagnetic wave with a frequency between 300 MHz to 3 GHz (3,000 MHz). Wavelengths range from one to 10 decimeters or about 10 cm to 1 meter, so the UHF is also known as a decimeter wave.

Radio waves with frequencies above the UHF band are super high frequency (SHF) and extremely high frequency (EHF). While the lower frequency signal is included in the very high frequency or very high frequency (VHF).

Definition and terms for HF, VHF and UHF

Abbreviation	Explanation
HF	High Frequency
VHF	Very High Frequency
UHF	Ultra High Frequency
AM	Amplitude Modulation
FM	Frequency Modulation
SSB	Single Side Band
TxlRx	Transceiver/Receive
KHz	Kilo Heftz
MHz	Mega Hertz
rms	root mean square
PTT	Push To Talk
AC	Alternating Current
RF	Radio Frequency
dB	Decibel
DC	Direct Current
ppm	part per million
KRAP	Komunikasi Radio antar Penduduk

# Difference between VHF and UHF

The difference between VHF and UHF antennas basically lies in their size. UHF frequency is much higher than VHF, so the antenna used is smaller. The difference in VHF and UHF transmission is only in the area of ??frequency they originate.

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