Glossary - NARDA NRA-3000 RX Bedienungsanleitung

10
Term / Abbreviation
AM
Avg
BOS
DVB-T
Fcent
FM
Fmax
Fmin
Fspan
Full Span
GPRS
GSM
ICNIRP
Narda

Glossary

Terms and abbreviations and their meanings are described in this section.
Meaning
Amplitude modulation
Average
Authorities and organizations
concerned with security (Behörden
und Organisationen mit
Sicherheitsaufgaben)
Digital Video Broadcasting Terrestrial Terrestrial earth-bound propagation of digital
Center frequency
Frequency modulation
Upper limit frequency
Lower limit frequency
Sweep span
Full bandwidth
General Packet Radio Service
Global System for Mobile
Communications
International Commission on Non-
Ionizing Radiation Protection)
Explanation
Modulation method (used e.g. for radio
broadcasting)
The measured values are averaged over a
specific number or a specific time period. The
resulting value (also called the RMS value) is
displayed.
BOS radio is a non-public mobile VHF
terrestrial radio service in Germany (police,
technical assistance, customs, fire brigades,
rescue services, etc.).
Tetra is a sub-group of BOS.
TV signals.
Center frequency in a frequency range
Modulation method
Upper frequency in a frequency range
Lower frequency in a frequency range
Frequency band symmetrical above and
below the center frequency Fcent
All frequency values set by Fmin, Fmax,
Fcent or Fspan are set to the largest possible
frequency range that is permitted by the
antenna or cable used or by the NRA.
Packet-switched data communications service
in GSM networks.
Standard for fully digital mobile networks used
mainly for telephony but also for circuit- and
packet switched data communications.
International, independent association of
scientists researching the effects of non-
ionizing radiation on human health.
NRA Series
10 Glossary
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