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Antenna properties: antenna factor (15)
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Your query 'United Kingdom' produced 15 results New search

 
United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Electricity and Magnetism for United Kingdom (.PDF file)
Antenna properties: antenna factor. Linear dipole, high frequency biconical, -30 dB(1/m) to 80 dB(1/m)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.7
Standard antenna method
Environment: horizontal above ground plane or free-space
Frequency: 500 MHz to 2000 MHz
Approved on 07 February 2019
Internal NMI service identifier: 449
 
Antenna properties: antenna factor. Horn antenna: reference value for unit: m-1, 0 dB to 63 dB
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.8
Three antenna method
Frequency range: 1 GHz to 40 GHz
Approved on 06 August 2013
Internal NMI service identifier: 560
 
Antenna properties: antenna factor. Biconical antenna, -30 dB(1/m) to 80 dB(1/m)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.5
Standard antenna method
Environment: free-space or defined height
Frequency: 20 MHz to 300 MHz
Approved on 06 August 2013
Internal NMI service identifier: 450
 
Antenna properties: antenna factor. Log antenna, -30 dB(1/m) to 80 dB(1/m)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 1
Three antenna method
Environment: defined height up to 2.5 m
Frequency: 80 MHz to 200 MHz
Approved on 06 August 2013
Internal NMI service identifier: 451
 
Antenna properties: antenna factor. Log antenna, -30 dB(1/m) to 80 dB(1/m)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.5
Three antenna method
Environment: free-space
Frequency: 200 MHz to 6000 MHz
Approved on 07 April 2016
Internal NMI service identifier: 452
 
Antenna properties: antenna factor. Bilog antenna, -30 dB(1/m) to 80 dB(1/m)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.7
Standard antenna method up to 200 MHz then three antenna method
Environment: free-space
Frequency: 20 MHz to 2000 MHz
Approved on 06 August 2013
Internal NMI service identifier: 453
 
Antenna properties: antenna factor. Log spiral antenna, -30 dB(1/m) to 80 dB(1/m)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 1
Three antenna method
Environment: free-space
Frequency: 100 MHz to 1000 MHz
Approved on 06 August 2013
Internal NMI service identifier: 454
 
Antenna properties: antenna factor. Horn antenna, -30 dB(1/m) to 80 dB(1/m)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 1
Three antenna method
Environment: free-space
Frequency: 200 MHz to 2000 MHz
Approved on 06 August 2013
Internal NMI service identifier: 455
 
Antenna properties: antenna factor. Rod antenna, -30 dB(1/m) to 80 dB(1/m)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 1
Calibrated monopole field in GTEM
Environment: plane-wave
Frequency: 100 Hz to 1 kHz
Restriction on antenna length: 41 inch
Approved on 06 August 2013
Internal NMI service identifier: 456
 
Antenna properties: antenna factor. Rod antenna, -30 dB(1/m) to 80 dB(1/m)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 1
Standard antenna method and calibrated monopole field in GTEM
Environment: plane-wave
Frequency: 1 kHz to 100 MHz
Approved on 06 August 2013
Internal NMI service identifier: 457
 
Antenna properties: antenna factor. Linear dipole, -30 dB(1/m) to 80 dB(1/m)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.35
Standard antenna method
Environment: defined height
Frequency: 20 MHz to 500 MHz
Approved on 06 August 2013
Internal NMI service identifier: 445
 
Antenna properties: antenna factor. Linear dipole, -30 dB(1/m) to 80 dB(1/m)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.7
Standard antenna method
Environment: free-space
Frequency: 20 MHz to 40 MHz
Approved on 07 April 2016
Internal NMI service identifier: 446
 
Antenna properties: antenna factor. Linear dipole, -30 dB(1/m) to 80 dB(1/m)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.5
Standard antenna method
Environment: defined height
Frequency: 500 MHz to 1000 MHz
Approved on 07 April 2016
Internal NMI service identifier: 447
 
Antenna properties: antenna factor. Linear dipole, -30 dB(1/m) to 80 dB(1/m)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.5
Standard antenna method
Environment: horizontal above ground plane or free-space
Frequency: 500 MHz to 1000 MHz
Approved on 07 April 2016
Internal NMI service identifier: 448
 
Antenna properties: antenna factor. Active or passive shielded loop antenna, reference value for unit: -1m-1, -40 dB to 110 dB
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 1.5 at 100 Hz, 1.0 above
In TEM cell
Frequency range: 10 Hz to 40 MHz
Approved on 07 February 2019
Internal NMI service identifier: 559