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Engineering data
Allocations
U.S. Non-Federal-Government Allocations
400.05
-
400.15
MHz
STANDARD FREQUENCY AND TIME SIGNAL-SATELLITE (400.1 MHz)
5.261
U.S. Federal Government Allocations
400.05
-
400.15
MHz
STANDARD FREQUENCY AND TIME SIGNAL-SATELLITE (400.1 MHz)
5.261
ITU Region 1 Allocations
400.05
-
400.15
MHz
STANDARD FREQUENCY AND TIME SIGNAL-SATELLITE (400.1 MHz)
5.261
5.262
ITU Region 2 Allocations
400.05
-
400.15
MHz
STANDARD FREQUENCY AND TIME SIGNAL-SATELLITE (400.1 MHz)
5.261
5.262
ITU Region 3 Allocations
400.05
-
400.15
MHz
STANDARD FREQUENCY AND TIME SIGNAL-SATELLITE (400.1 MHz)
5.261
5.262
SpectrumWiki
2019 World Radiocommunication Conference (WRC-19) Agenda Item 1.2
WRC-19 Agenda Item 1.2
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Footnotes
5.261
Emissions shall be confined in a band of ± 25 kHz about the standard frequency 400.1 MHz.
5.262
Additional allocation:
in Saudi Arabia, Armenia, Azerbaijan, Bahrain, Belarus, Botswana, Colombia, Costa Rica, Cuba, Egypt, the United Arab Emirates, Ecuador, the Russian Federation, Georgia, Hungary, Iran (Islamic Republic of), Iraq, Israel, Jordan, Kazakhstan, Kuwait, Liberia, Malaysia, Moldova, Uzbekistan, Pakistan, the Philippines, Qatar, the Syrian Arab Republic, Kyrgyzstan, Romania, Singapore, Somalia, Tajikistan, Turkmenistan and Ukraine, the band 400.05-401 MHz is also allocated to the fixed and mobile services on a primary basis. (WRC-07)
SpectrumWiki
Band Uses (400.05 - 400.15 MHz)
2019 World Radiocommunication Conference (WRC-19) Agenda Item 1.2
1.2 to consider in-band power limits for earth stations operating in the mobile-satellite service, meteorological-satellite service and Earth exploration-satellite service in the frequency bands 401-403 MHz and 399.9-400.05 MHz, in accordance with Resolution 765 [COM6/7] (WRC-15);
Frequency Bands
Band
Use
Service
Table
399.9
-
400.05
MHz
WRC-19 Agenda Item 1.2
-
-
401
-
403
MHz
WRC-19 Agenda Item 1.2
-
-
External Links:
WRC-19 (International Telecommunication Union)
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WRC-19 Agenda Item 1.2
"to consider in-band power limits for earth stations operating in the mobile-satellite service, meteorological-satellite service and Earth exploration-satellite service in the frequency bands 401-403 MHz and 399.9-400.05 MHz, in accordance with Resolution COM6/7 (WRC 15)"
Frequency Bands
Band
Use
Service
Table
399.9
-
400.05
MHz
WRC-19 Agenda Item 1.2
-
-
401
-
403
MHz
WRC-19 Agenda Item 1.2
-
-
Display this entry in a page by itself
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Related Documents, Links, and Multimedia:
Occupancy Measurements (10)
Shared Spectrum Company General Survey of Radio Frequency Bands (30 MHz to 3 GHz): Vienna, Virginia, September 1-5, 2009
Frequencies/Bands
30
-
3000
MHz
Document type and status:
Occupancy measurements (Current)
Document date or date of hyperlink query:
March 30, 2012
Shared Spectrum Company General Survey of Radio Frequency Bands (30 MHz to 3 GHz): Vienna, Virginia, September 1-5, 2009
Edit...
Shared Spectrum Company Spectrum Occupancy Measurements: Loring Commerce Centre, Limestone, Maine, September 18-20, 2007
Frequencies/Bands
30
-
3000
MHz
Document type and status:
Occupancy measurements (Current)
Document date or date of hyperlink query:
March 30, 2012
Shared Spectrum Company Spectrum Occupancy Measurements: Loring Commerce Centre, Limestone, Maine, September 18-20, 2007
Edit...
Shared Spectrum Company Spectrum Occupancy Measurements: Dublin, Ireland, April 16-18, 2007
Frequencies/Bands
30
-
3000
MHz
Document type and status:
Occupancy measurements (Current)
Document date or date of hyperlink query:
March 30, 2012
Shared Spectrum Company Spectrum Occupancy Measurements: Dublin, Ireland, April 16-18, 2007
Edit...
Shared Spectrum Company Spectrum Occupancy Measurements: Chicago, Illinois, November 16-18, 2005
Frequencies/Bands
30
-
2900
MHz
Document type and status:
Occupancy measurements (Current)
Document date or date of hyperlink query:
March 30, 2012
Shared Spectrum Company Spectrum Occupancy Measurements: Chicago, Illinois, November 16-18, 2005
Edit...
Shared Spectrum Company Spectrum Occupancy Measurements: Riverbend Park, Great Falls, Virginia, April 7, 2004
Frequencies/Bands
30
-
3000
MHz
Document type and status:
Occupancy measurements (Current)
Document date or date of hyperlink query:
March 30, 2012
Shared Spectrum Company Spectrum Occupancy Measurements: Riverbend Park, Great Falls, Virginia, April 7, 2004
Edit...
Shared Spectrum Company Spectrum Occupancy Measurements: Tyson’s Square Center, Vienna, Virginia, April 9, 2004
Frequencies/Bands
30
-
3000
MHz
Document type and status:
Occupancy measurements (Current)
Document date or date of hyperlink query:
March 30, 2012
Shared Spectrum Company Spectrum Occupancy Measurements: Tyson’s Square Center, Vienna, Virginia, April 9, 2004
Edit...
Shared Spectrum Company Spectrum Occupancy Measurements: National Science Foundation Building Roof, April 16, 2004
Frequencies/Bands
30
-
3000
MHz
Document type and status:
Occupancy measurements (Current)
Document date or date of hyperlink query:
March 30, 2012
Shared Spectrum Company Spectrum Occupancy Measurements: National Science Foundation Building Roof, April 16, 2004
Edit...
Shared Spectrum Company Spectrum Occupancy Measurements: Republican National Convention, New York City, New York, August 30 – September 3, 2004
Frequencies/Bands
30
-
3000
MHz
Document type and status:
Occupancy measurements (Current)
Document date or date of hyperlink query:
March 30, 2012
Shared Spectrum Company Spectrum Occupancy Measurements: Republican National Convention, New York City, New York, August 30 – September 3, 2004
Edit...
Shared Spectrum Company Spectrum Occupancy Measurements: National Radio Astronomy Observatory (NRAO), October 10-11, 2004
Frequencies/Bands
30
-
3000
MHz
Document type and status:
Occupancy measurements (Current)
Document date or date of hyperlink query:
March 30, 2012
Shared Spectrum Company Spectrum Occupancy Measurements: National Radio Astronomy Observatory (NRAO), October 10-11, 2004
Edit...
Shared Spectrum Company Spectrum Occupancy Measurements: Shared Spectrum Building Roof, Vienna, Virginia, December 15-16, 2004
Frequencies/Bands
30
-
3000
MHz
Document type and status:
Occupancy measurements (Current)
Document date or date of hyperlink query:
March 30, 2012
Shared Spectrum Company Spectrum Occupancy Measurements: Shared Spectrum Building Roof, Vienna, Virginia, December 15-16, 2004
Edit...
Engineering Data
Lower Frequency
Center Frequency
Upper Frequency
Frequency
400.05 MHz
400.1 MHz
400.15 MHz
Wavelength
74.9 cm
74.9 cm
74.9 cm
Band designator(s)
UHF
UHF
UHF
Isotropic collecting area
446.9 cm
2
446.8 cm
2
446.7 cm
2
Free space loss (1 m)
24.5 dB
24.5 dB
24.5 dB
Free space loss (1 km)
84.5 dB
84.5 dB
84.5 dB
Free space loss (10 km)
104.5 dB
104.5 dB
104.5 dB
Free space loss (100 km)
124.5 dB
124.5 dB
124.5 dB
Free space loss (1000 km)
144.5 dB
144.5 dB
144.5 dB
Free space loss
(35,786 km = GEO orbit)
175.6 dB
175.6 dB
175.6 dB
Free space loss (378,370 km = Moon)
196.1 dB
196.1 dB
196.1 dB