On-board measurement of radio signals

On-board measurement of radio signals, Total:154 items.

The international standard classification for "On-board measurement of radio signals" includes: Receiving and transmitting equipment , Radio receivers .

The Chinese standard classification for "On-board measurement of radio signals" includes: Mobile communication equipment , Broadcasting and television transmission and receiving equipment .

National Metrological Technical Specifications of the People's Republic of China

JJF(铁道) 702-2010 On-line test equipment of railway track signal
JJF 702-2010 Railway track signal online test equipment

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 12193-1990 Methods of measurement for radio receivers employing F3E emission used in the mobile services
GB/T 12192-1990 Methods of measurement for radio transmitters employing F3E emission used in the mobile services
GB/T 12857-1991 Methods of measurement under conditions different from broadcast signal STANDARDs on receivers for televisionbroadcast transmissions

Group Standards of the People's Republic of China

T/SDIE 15-2021 Electromagnetic signal online detection and automatic identification software test specification
T/CPSS 1002-2021 Communication protocol between on-board charger and wireless charging device of electric vehicle wireless charging system—Part 1: Energy signal dual channel near field communication

Taiwan Provincial Standard of the People's Republic of China

CNS 416-1982 Symbols of Wireless Telephone and Telegraph

Professional Standard - Electron

SJ/Z 9032-1987 Methods of measurement for short duration transients on low voltage power and signal lines - Guideline

International Organization for Standardization (ISO)

ISO 23346:2020 Radio-controlled clocks — Signal receiving measurement method

RU-GOST R

GOST 16465-1970 Measuring radiotechnical signals. Terms and definitions
GOST 22505-1997 Electromagnetic compatibility of technical equipment. Man-made noise of sound and television broadcast receivers and associated equipment. Limits and test methods
GOST 22505-1983 Man-made noise from television receivers and frequency modulation USW broadcast receivers. Limits and measuring methods
GOST R 53168-2008 Chayka radionavigation system. Transmitter signals. Specifications
GOST 23849-1987 Domestic radioelectronic equipment. Methods of measuring electric parameters of sound frequency signal amplifiers
GOST R 52594-2006 Fibre-optic, radio-relay and satellite main channels of digital TV signals transmission systems. Basic parameters and methods of measuring

British Standards Institution (BSI)

BS ISO 23346:2020 Radio-controlled clocks. Signal receiving measurement method
BS EN 60244-10:1993 Methods of measurement for radio transmitters. Methods of measurement for television transmitters and transposers employing insertion test signals
19/30375044 DC BS ISO 23346. Radio-controlled clocks. Signal receiving measurement methods
PD IEC/TR 63099-1:2017 Transmitting equipment for radiocommunication. Radio-over-fibre technologies for electromagnetic-field measurement. Radio-over-fibre technologies for antenna measurement
BS EN 60835-2-5:1995 Methods of measurement for equipment used in digital microwave radio transmission systems. Measurements on terrestrial radio-relay systems. Digital signal processing sub-system
PD IEC TR 63352:2022 Transmitting and receiving equipment for radiocommunication. Radio spectrum measurement method. 300-GHz spectrum measurement equipment
BS EN 60315-7:1996 Methods of measurement on radio receivers for various classes of emission. Methods of measurement on digital satellite radio (DSR) receivers

German Institute for Standardization

DIN IEC 60244-10:1988 Methods of measurement for radio transmitters; methods of measurement for television transmitters and transposers employing insertion test signals; identical with IEC 60244-10, edition 1986
DIN EN 60244-10:1994 Methods of measurement for radio transmitters - Part 10: Methods of measurement for television transmitters and transposers employing insertion test signals (IEC 60244-10:1986); German version EN 60244-10:1993
DIN IEC 60244-11:1990 Methods of measurement for radio transmitters; transposers for FM sound broadcasting; identical with IEC 60244-11:1989
DIN EN 60244-11:1994 Methods of measurement for radio transmitters - Part 11: Transposers for FM sound broadcasting (IEC 60244-11:1989); German version EN 60244-11:1993
DIN EN 301461:2003-11 Fixed Radio Systems - Point-to-point equipment - High capacity fixed radio systems carrying SDH signals (2 × STM-1) in frequency bands with 40 MHz channel spacing and using Co-channel Dual Polarized (CCDP) operation (Endorsement of the English version...
DIN EN 301127:2003-09 Fixed Radio Systems - Point-to-point equipment - High capacity digital radio systems carrying SDH signals (up to 2 × STM-1) in frequency bands with about 30 MHz channel spacing and using co-polar arrangements or Co-Channel Dual Polarized (CCDP) operat...
DIN EN 302062:2003-11 Fixed Radio Systems - Point-to-point equipment - High capacity digital radio relay systems carrying STM-4, 4 × STM-1 or 2 × STM-1 signals in bands with 55/56 MHz channel spacing (Endorsement of the English version EN 302062 V 1.1.1 (2003-01) as Germa...
DIN EN 301925:2007 Electromagnetic compatibility and Radio spectrum Matters (ERM) - Radiotelephone transmitters and receivers for the maritime mobile service operating in VHF bands - Technical characteristics and methods of measurement (Endorsement of the English version EN
DIN EN 300234:2003 Fixed Radio Systems - Point-to-point equipment - High capacity digital radio systems carrying 1 x STM-1 signals and operating in frequency bands with about 30 MHz channel spacing and alternated arrangements (Endorsement of the English version EN 300234 V

International Telecommunication Union (ITU)

ITU-R SM.1840-2007 Test procedure for measuring the sensitivity of radio monitoring receivers using analogue-modulated signals
ITU-R SM.326-7 SPANISH-1998 DETERMINATION AND MEASUREMENT OF THE POWER OF AMPLITUDE-MODULATED RADIO TRANSMITTERS
ITU-R SM.1840 FRENCH-2007 Test procedure for measuring the sensitivity of radio monitoring receivers using analogue-modulated signals
ITU-R SM.1840 SPANISH-2007 Test procedure for measuring the sensitivity of radio monitoring receivers using analogue-modulated signals
ITU-R REPORT SM.2179-2010 Short-range radiocommunication devices measurements
ITU-T J.63-1990 Insertion of Test Signals in the Field-Blanking Interval of Monochrome and Colour Television Signals - Television and Sound Transmission Formerly Recommendation ITU-R CMTT.473; Study Group 9; 14 pp
ITU-T J.41-1989 Characteristics of Equipment for the Coding of Analogue High Quality Sound Programme Signals for Transmission on 384 kbit/s Channels - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals Study Group XV; 12
ITU-R M.1175 SPANISH-1995 Automatic Receiving Equipment for Radiotelegraph and Radiotelephone Alarm Signals
ITU-R M.1175-1995 Automatic Receiving Equipment for Radiotelegraph and Radiotelephone Alarm Signals
ITU-T J.42-1989 Characteristics of Equipment for the Coding of Analogue Medium Quality Sound-Programme Signals for Transmission on 384-kbit/s Channels - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals - (Study Group XV
ITU-R M.1175 FRENCH-1995 AUTOMATIC RECEIVING EQUIPMENT FOR RADIOTELEGRAPH AND RADIOTELEPHONE ALARM SIGNALS
ITU-R S.1856 SPANISH-2010 Methodologies for determining whether an IMT station at a given location operating in the band 3 400-3 600 MHz would transmit without exceeding the power flux-density limits in the Radio Regulations Nos. 5.430A, 5.432A,.432B and 5.433A
ITU-R RESOLUTION 52 ARABIC-2003 Authorization for the Radiocommunication Advisory Group (RAG) to act between Radiocommunication Assemblies (RAs)
ITU-R RESOLUTION 52 CHINESE-2003 Authorization for the Radiocommunication Advisory Group (RAG) to act between Radiocommunication Assemblies (RAs)
ITU-R RESOLUTION 52 RUSSIAN-2003 Authorization for the Radiocommunication Advisory Group (RAG) to act between Radiocommunication Assemblies (RAs)
ITU-R RAPPORT SM.2179 FRENCH-2010 Short-range radiocommunication devices measurements
ITU-T H.32-1989 Simultaneous Communication by Telephony and Telegraphy on a Telephone-Type Circuit - Line Transmission of Non-Telephone Signals Transmission of Sound-Programme and Television Signals (Study Group XV) 1 pp
ITU-T O.162 FRENCH-1992 EQUIPMENT TO PERFORM IN-SERVICE MONITORING ON 20488448 34 368 AND 139 264 KBIT/S SIGNALS
ITU-T O.162 SPANISH-1992 EQUIPMENT TO PERFORM IN-SERVICE MONITORING ON 2048, 8448, 34 368 AND 139 264 KBIT/S SIGNALS

ITU-T - International Telecommunication Union/ITU Telcommunication Sector

ITU-T J.147 FRENCH-2002 Objective picture quality measurement method by use of in-service test signals
ITU-T J.144 FRENCH-2004 Objective perceptual video quality measurement techniques for digital cable television in the presence of a full reference

YU-JUS

JUS N.N6.021-1982 Radiocommunications. Radioreceivers. Methods of measurement. Radio-receivers for various classes of emission. Audiofrequency and radio-frequency signah
JUS N.N6.360-1978 Radiocommunications. Transmitters. Measurements particular to transmitters and transposers for television. Definitions, test signals and general conditions of measurement
JUS N.N6.362-1978 Radiocommunications. Transmitters. Measurements particular to transmitters and transposers for television. Stability ofthe vision signal.
JUS N.N6.182-1978 Radiocommunications. Wired distribution systems. Methods of measurements. Television RF signal to noise ratio. Checks on the measuring eguipment.
JUS N.N6.184-1978 Radioeommunications. Wired distribution svstems. Methods of measurements. Television RF signal to intermodulation ratio. Test signals, levels and intermodulation products.
JUS N.N6.176-1978 Radiocommunications. Wired distribution systems. Methods of measurements. Television RF signal to intermo?ulation ratio
JUS N.N6.372-1987 Radiocommunications.Methods of measurement for television transmitters and transposers employing insertion test signals
JUS N.N6.395-1984 RadiocommunicatJom. Transmitters, Characteristics of transmittars for single-channel radiotelephorm singlasidaband emissions with suppresed carriar used in tha fixed samce in the MF and HF bands
JUS N.N6.138-1981 Electrical measurements of audio in radiocommunication TV receivers Non-linear distortion of audio
JUS N.N6.180-1978 Radio Communications. Wired distribution sistems. Methods of measurements. RF signal to noise ratio. Correction factors.
JUS N.N6.017-1988 RadiocoMtmanications. Nomenclature of colour bar signals
JUS N.N6.186-1978 Radiocommunications. Wired distribution systems. Methods of measurements. Television RF signal to intermodulation ratio. Checks on test equipment.
JUS N.N0.204-1990 Radiocommanications. Radio transmitters. Tecbnical reovirement witb respect to possible bazards uben dealing ultb radio trtmsmitting equipment
JUS N.N6.133-1980 Radiocommunications. TV receivers. Methods of measurements. Compatibility with signal recording equipment
JUS N.N6.183-1978 Radio Communications. Wire? distribution systems. Methods ofmeasurements. RF signal to noise ratio. Calibration ofthe selective voltmeter
JUS N.N6.349-1980 Radiocommunications. Transmitters. Methods of measurements. Unvvanted modulation

European Committee for Standardization (CEN)

prEN 60244-10-1992 Methods of measurement for radio transmitters; part 10: methods of measurements for television transmitters and transposers employing insertion test signals (IEC 244-10:1986)

Danish Standards Foundation

DS/IEC 244-10:1987 Methods of measurement for radio transmitters. Part 10: Methods of measurement for television transmitters and transposers employing insertion test signals
DS/IEC 244-11:1990 Methods of measurement for radio transmitters. Part 11: Transposers for FM sound broadcasting
DS/EN 300197 V1.6.1:2003 Fixed Radio Systems; Point-to-point equipment; Parameters for radio systems for the transmission of digital signals operating at 32 GHz and 38 GHz
DS/EN 300431 V1.4.1:2003 Fixed Radio Systems; Point-to-point equipment; Parameters for radio system for the transmission of digital signals operating in the frequency range 24,50 GHz to 29,50 GHz
DS/EN 300407 V1.3.1:2002 Fixed Radio Systems; Point-to-point equipment; Parameters for digital radio systems for the transmission of digital signals operating at 55 GHz
DS/EN 301786 V1.2.1:2003 Fixed Radio Systems; Point-to-point equipment; Parameters for digital radio systems for the transmission of digital signals operating at 52 GHz

Association Francaise de Normalisation

NF EN 300430:1999 Telecommunications - Transmission and multiplexing (TM) - Digital radio beams (DRRS). High capacity digital radio beams carrying 1 X STM-1 signals, and operating in the 18 GHz frequency band with a...
NF EN 300408:2003 Telecommunications - Fixed radio systems - Parameters of point-to-point equipment of digital radio systems for the transmission of digital signals and analog video signals in the 58 GHz range, without a frequency plan...
NF C94-230*NF EN 60244-10:1993 Methods of measurement for radio transmitters. Part 10 : methods of measurement for television transmitters and transposers employing insertion test signals.
NF Z85-198*NF EN 300198:2006 Fixed Radio Systems - Point-to-point equipment - Parameters for radio systems for the transmission of digital signals operating at 23 GHz (V1.5.1).
NF EN 300162-1:2006 Telecommunications - EMC and radio spectrum (ERM) - Radio telephone transmitters and receivers for the maritime mobile service operating in the VHF bands - Part 1: technical characteristics and measurement methods (V1.4.1)
NF EN 60244-10:1993 Measuring methods applicable to radio transmitters - Part ten: measuring methods applicable to television transmitters and retransmitters, and using insertion signals

BE-NBN

NBN-EN 60244-10-1994 Methods of measurement for radio transmitters Part 10: Methods of measurement for television transmitters and transposers employing insertion test signals

International Electrotechnical Commission (IEC)

IEC 60244-10:1986 Methods of measurement for radio transmitters. Part 10 : Methods of measurement for television transmitters and transposers employing insertion test signals
IEC TR 63099-1:2017 Transmitting equipment for radiocommunication - Radio-over fibre technologies for electromagnetic-field measurement - Part 1: Radio-over-fibre technologies for antenna measurement
IEC 60244-7:1979 Methods of measurement for radio transmitters. Part 7 : Cabinet radiation at frequencies above 1 GHz
IEC TR 63100:2017 Transmitting equipment for radiocommunication - Radio-over-fibre technologies for spectrum measurement - 100-GHz spectrum measurement equipment
IEC TR 63352:2022 Transmitting and receiving equipment for radiocommunication - Radio spectrum measurement method - 300-GHz spectrum measurement equipment
IEC TS 60816:1984 Guide on methods of measurement of short duration transients on low-voltage power and signal lines
IEC TR 60816:1984 Guide on methods of measurement of short duration transients on low-voltage power and signal lines

SCC

ETSI TR 103 581:2019 Use of measurement detectors in radio measurement methods
DANSK DS/IEC 244-10:1987 Methods of measurement for radio transmitters - Part 10: Methods of measurements for television transmitters and transposers employing insertion test signals
AS 1053:1973 Radio interference limits and measurements for television and radio receivers
BS PD IEC/TR 63099-1:2017 Transmitting equipment for radiocommunication. Radio-over-fibre technologies for electromagnetic-field measurement-Radio-over-fibre technologies for antenna measurement
MIL MIL-G-49155-1978 GENERATOR, SIGNAL (NO S/S DOCUMENT)
BS 530:1937 Graphical symbols for telephony, telegraphy and radio communication
BS PD IEC TR 63352:2022 Transmitting and receiving equipment for radiocommunication. Radio spectrum measurement method. 300-GHz spectrum measurement equipment
BS 530:1934 Graphical symbols for telephony, telegraphy and radio communication
DANSK DS/EN 60835-2-5:1995 Methods of measurement for equipment used in digital microwave radio transmission systems - Part 2: Measurements on terrestrial radio-relay systems - Section 5: Digital signal processing sub-system
BS 3939 SECTION 24:1970 Graphical symbols for electrical power, telecommunications and electronics diagrams-Aerials and radio stations
ITU-R F.636-5 SPANISH-2019 Arrangement of radio channels for wireless systems that operate in the 14.4-15.35 GHz band

AENOR

UNE-EN 60244-10:1996 METHODS OF MEASUREMENT FOR RADIO TRANSMITTERS. PART 10: METHODS OF MEASUREMENT FOR TELEVISION TRANSMITTERS AND TRANSPOSERS EMPLOYING INSERTION TEST SIGNALS.

GSO

BH GSO IEC 60244-10:2016 Methods of measurement for radio transmitters. Part 10: Methods of measurement for television transmitters and transposers employing insertion test signals
OS GSO IEC 60244-10:2015 Methods of measurement for radio transmitters. Part 10: Methods of measurement for television transmitters and transposers employing insertion test signals
GSO IEC 60244-10:2015 Methods of measurement for radio transmitters. Part 10: Methods of measurement for television transmitters and transposers employing insertion test signals
GSO IEC 61237-1:2014 Broadcast video tape recorders - Methods of measurement - Part 1: Mechanical measurements
GSO IEC TR 63099-1:2021 Transmitting equipment for radiocommunication - Radio-over fibre technologies for electromagnetic-field measurement - Part 1: Radio-over-fibre technologies for antenna measurement
BH GSO IEC TR 63099-1:2022 Transmitting equipment for radiocommunication - Radio-over fibre technologies for electromagnetic-field measurement - Part 1: Radio-over-fibre technologies for antenna measurement
GSO IEC 60244-1:2014 Methods of measurement for radio transmitters - Part 1: General characteristics for broadcast transmitters

ZA-SANS

SANS 300198:2005 Fixed Radio Systems; Point-to-point equipment; Parameters for radio systems for the transmission of digital signals operating at 23 GHz
SANS 300197:2005 Fixed Radio Systems; Point-to-point equipment; Parameters for radio systems for the transmission of digital signals operating at 32 GHz and 38 GHz
SANS 300234:2005 Fixed Radio Systems; Point-to-point equipment; High capacity digital radio systems carrying 1 x STM-1 signals and operating in frequency bands with about 30 MHz channel spacing and alternated arrangements

PT-IPQ

NP 2456/9-1985 Radio communications. Methods of measurement for radio transmitters, Part 9: Black and white and color television relays
NP 2864-1985 Radio communications. Radio interference used in radios and televisions. Its related measurement methods and limit values

European Committee for Electrotechnical Standardization（CENELEC）

HD 236.10 S1-1988 Methods of Measurement for Radio Transmitters - Part 10: Methods of Measurement for Television Transmitters and Transposers Employing Insertion Test Signals
EN 60244-10:1993 Methods of Measurement for Radio Transmitters Part 10 : Methods of Measurement for Television Transmitters and Transposers Employing Insertion Test Signals

CZ-CSN

CSN IEC 816:1994 Guide on methods of measurement of short duration transients on low-voltage power and signal lines
CSN 36 7095-1989 Radio receivers. Additional methods of measurement
CSN 36 7117-4 ZZ1-2001 Measurement methods for radio transmitters. Part 4: Amplitude characteristics and nonlinearity of radiotelephone and radio transmitters

Lithuanian Standards Office

LST EN 300 197 V1.4.1-2005 Fixed Radio Systems;Point-to-point equipment; Parameters for radio systems for the transmission of digital signals operating at 38 GHz
LST EN 60244-10-2002 Methods of measurement for radio transmitters. Part 10: Methods of measurement for television transmitters and transposers employing insertion test signals (IEC 60244-10:1986)
LST EN 300 197 V1.6.1-2005 Fixed Radio Systems; Point-to-point equipment; Parameters for radio systems for the transmission of digital signals operating at 32 GHz and 38 GHz
LST EN 300 197 V1.5.1-2005 Fixed Radio Systems; Point-to-point equipment; Parameters for radio systems for the transmission of digital signals operating at 32 GHz and 38 GHz
LST EN 301 786 V1.1.2-2007 Fixed Radio Systems;Point-to-point equipment;Parameters for digital radio systems for the transmission of digital signals operating at 52 GHz
LST EN 301 786 V1.2.1-2007 Fixed Radio Systems;Point-to-point equipment;Parameters for digital radio systems for the transmission of digital signals operating at 52 GHz

ETSI - European Telecommunications Standards Institute

ETSI EN 300 197:2000 Fixed Radio Systems; Point-to-Point Equipment; Parameters for Radio Systems for the Transmission of Digital Signals Operating at 38 GHz (V1.4.1)
ETSI EN 300 197:1999 Fixed Radio Systems; Point-to-Point Equipment; Parameters for Radio Systems for the Transmission of Digital Signals Operating at 38 GHz (V1.3.1)
ETSI EN 300 198:1999 Fixed Radio Systems; Point-to-Point Equipment; Parameters for Radio Systems for the Transmission of Digital Signals Operating at 23 GHz (V1.3.1)
ETSI EN 300 198:2002 Fixed Radio Systems; Point-to-Point Equipment; Parameters for Radio Systems for the Transmission of Digital Signals Operating at 23 GHz (V1.5.1)
ETSI EN 300 198:2000 Fixed Radio Systems; Point-to-Point Equipment; Parameters for Radio Systems for the Transmission of Digital Signals Operating at 23 GHz (V1.3.1)
ETSI EN 300 198:2001 Fixed Radio Systems; Point-to-Point Equipment; Parameters for Radio Systems for the Transmission of Digital Signals Operating at 23 GHz (V1.4.1)
ETSI EN 300 197:2001 Fixed Radio Systems; Point-to-Point Equipment; Parameters for Radio Systems for the Transmission of Digital Signals Operating at 32 GHz and 38 GHz (V1.5.1)
ETSI EN 300 197:2002 Fixed Radio Systems; Point-to-Point Equipment; Parameters for Radio Systems for the Transmission of Digital Signals Operating at 32 GHz and 38 GHz (V1.6.1)
ETSI EN 301 786:2000 Fixed Radio Systems; Point-to-Point Equipment; Parameters for Digital Radio Systems for the Transmission of Digital Signals Operating at 52 GHz (V1.1.1)
TS 101 787-2000 Fixed Radio Systems; Point-to-Point Equipment; Parameters for Radio Systems for the Teansmission of Sub STM-0 Digital Signals Operating in the 18 GHz Frequency Band (V1.1.1)
ETSI EN 300 407:2001 Fixed Radio Systems; Point-to-Point Equipment; Parameters for Digital Radio Systems for the Transmission of Digital Signals Operating at 55 GHz (V1.3.1)
ETSI EN 301 786:2001 Fixed Radio Systems; Point-to-Point Equipment; Parameters for Digital Radio Systems for the Transmission of Digital Signals Operating at 52 GHz (V1.2.1)
ETSI EN 300 407:2000 Fixed Radio Systems; Point-to-Point Equipment; Parameters for Digital Radio Systems for the Transmission of Digital Signals Operating at 55 GHz (V1.2.1)

ITU-R - International Telecommunication Union/ITU Radiocommunication Sector

ITU-R F.399-3-1978 Measurement of Noise Using a Continuous Uniform Spectrum Signal on Frequency-Division Multiplex Telephony Radio-Relay Systems - Section 9D - Maintenance
ITU-R SM.SENS-2007 Test procedure for measuring the sensitivity of radio monitoring receivers using analogue-modulated signals (Document 1/BL/23-E)
ITU-R F.1100 FRENCH-1994 RADIO-FREQUENCY CHANNEL ARRANGEMENTS FOR RADIO-RELAY SYSTEMS OPERATING IN THE 55 GHz BAND
REPORT SM.2179-2010 Short-range radiocommunication devices measurements
RESOLUTION 52-2003 Authorization for the Radiocommunication Advisory Group (RAG) to act between Radiocommunication Assemblies (RAs)
ITU-R F.1100 SPANISH-1994 RADIO-FREQUENCY CHANNEL ARRANGEMENTS FOR RADIO-RELAY SYSTEMS OPERATING IN THE 55 GHz BAND

TR-TSE

TS 2086-1975 METHODS OF MEASUREMENTS FOR RADIO TRANSMITTERS
TS 2795-1977 Methods Of Measurement For Radio Equipment Used In The Mobile Services Part 6: Methods Of Measurement For Signalling Equipment

European Telecommunications Standards Institute (ETSI)

ETSI PRETS 300 197-1993 Transmission and Multiplexing (TM); Parameters for Radio Relay Systems for the Transmission of Digital Signals and Analogue Video Signals Operating at 38 GHz
ETSI PRETS 300 198-1993 Transmission and Multiplexing (TM); Parameters for Radio Relay Systems for the Transmission of Digital Signals and Analogue Video Signals Operating at 23 GHz
ETSI ETR 028-1992 Radio Equipment and Systems (RES); Uncertainties in the Measurement of Mobile Radio Equipment Characteristics