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Engineering data
Allocations
Intro to Allocations
U.S. Non-Federal-Government Allocations
21.2
-
21.4
GHz
EARTH EXPLORATION-SATELLITE (passive)
FIXED
MOBILE
SPACE RESEARCH (passive)
US532
FCC Rule Parts:
Fixed Microwave (101)
U.S. Federal Government Allocations
21.2
-
21.4
GHz
EARTH EXPLORATION-SATELLITE (passive)
FIXED
MOBILE
SPACE RESEARCH (passive)
US532
ITU Region 1 Allocations
21.2
-
21.4
GHz
EARTH EXPLORATION-SATELLITE (passive)
FIXED
MOBILE
SPACE RESEARCH (passive)
ITU Region 2 Allocations
21.2
-
21.4
GHz
EARTH EXPLORATION-SATELLITE (passive)
FIXED
MOBILE
SPACE RESEARCH (passive)
ITU Region 3 Allocations
21.2
-
21.4
GHz
EARTH EXPLORATION-SATELLITE (passive)
FIXED
MOBILE
SPACE RESEARCH (passive)
SpectrumWiki
Common Carrier Fixed Point-to-Point Microwave
Wideband Global SATCOM (WGS) System
Mobile User Objective System (MUOS)
Advanced Extremely High Frequency (AEHF) Military Satellite System
More...
Footnotes
Could not find US532
SpectrumWiki
Common Carrier Fixed Point-to-Point Microwave
These bands are permitted for use by common carrier fixed point-to-point microwave systems under Part 101, Subparts C & I of the FCC rules.
Frequency Bands
Band
Use
Service
Table
2450
-
2500
MHz
Common Carrier Fixed Point-to-Point Microwave
Fixed
N
3700
-
4200
MHz
Common Carrier Fixed Point-to-Point Microwave (max bandwidth 20 MHz)
Fixed
N
5925
-
6425
MHz
Common Carrier Fixed Point-to-Point Microwave (max bandwidth 30 MHz)
Fixed
N
6425
-
6525
MHz
Common Carrier Fixed Point-to-Point Microwave (max bandwidth 25 MHz)
Fixed
N
6525
-
6875
MHz
Common Carrier Fixed Point-to-Point Microwave (max bandwidth 30 MHz)
Fixed
N
10.55
-
10.68
GHz
Common Carrier Fixed Point-to-Point Microwave
Fixed
N
10.7
-
11.7
GHz
Common Carrier Fixed Point-to-Point Microwave (max bandwidth 40 MHz)
Fixed
N
13.2
-
13.25
GHz
Common Carrier Fixed Point-to-Point Microwave (max bandwidth 25 MHz)
Fixed
N
17.7
-
18.58
GHz
Common Carrier Fixed Point-to-Point Microwave (max bandwidth 220 MHz)
Fixed
N
18.58
-
18.82
GHz
Common Carrier Fixed Point-to-Point Microwave (max bandwidth 20 MHz)
Fixed
N
18.82
-
18.92
GHz
Common Carrier Fixed Point-to-Point Microwave (max bandwidth 10 MHz)
Fixed
N
18.92
-
19.16
GHz
Common Carrier Fixed Point-to-Point Microwave (max bandwidth 20 MHz)
Fixed
N
19.16
-
19.26
GHz
Common Carrier Fixed Point-to-Point Microwave (max bandwidth 10 MHz)
Fixed
N
19.26
-
19.7
GHz
Common Carrier Fixed Point-to-Point Microwave (max bandwidth 220 MHz)
Fixed
N
21.2
-
23.6
GHz
Common Carrier Fixed Point-to-Point Microwave (max bandwidth 50 MHz)
Fixed
N
External Links:
FCC NPRM and NOI on Backhaul (FCC 10-146)
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Wideband Global SATCOM (WGS) System
The Wideband Global SATCOM (WGS) System provides fixed site satellite service at X-band and Ka-band from geosynchronous earth orbit in support of US military operations worldwide.
As of April 2013, four WGS satellites are in orbit, a fifth is scheduled for launch in 2013, a sixth has completed testing, and four more are being built.
Paired Frequency Bands
Paired Bands
Use
Service
Table
7250
-
7750
MHz
X-band downlink
Fixed-satellite
F
7900
-
8400
MHz
X-band uplink
Fixed-satellite
F
20.2
-
21.2
GHz
Ka-band downlink
Fixed-satellite
-
30
-
31
GHz
Ka-band uplink
Fixed-satellite
-
External Links:
WGS Article on Wikipedia
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Mobile User Objective System (MUOS)
According to the U.S. Navy:
Mobile User Object System (MUOS) is a narrowband Military Satellite Communications (MILSATCOM) system that supports a worldwide, multi-Service population of mobile and fixed-site terminal users in the Ultra High Frequency (UHF) band, providing increased communications capabilities to smaller terminals while still supporting interoperability to legacy terminals.
MUOS adapts a commercial third generation Wideband Code Division Multiple Access (WCDMA) cellular phone network architecture and combines it with geosynchronous satellites (in place of cell towers) to provide a new and more capable UHF MILSATCOM system. The constellation of four operational satellites and ground network control will provide greater than 10 times the system capacity of the current UHF Follow-On (UFO) constellation.
The first MUOS satellite was launched February 24th, 2012, and began operations in August 2012. The MUOS constellation will eventually be comprised of four GSO satellites and one in-orbit spare. The operational satellites will be located at 177 deg W (Pacific), 100 deg W (CONUS), 15.5 deg W (Atlantic), and 75 deg E (Indian). The spare satellite will be parked at 72 deg E.
The satellites transmit 9.8 W of power into a 14 m dish. The service links are comprised of four 5 MHz-wide SA-WCDMA channels occupying the 20 MHz wide UHF uplink and downlink bands.
Frequency Bands
Band
Use
Service
Table
300
-
320
MHz
MUOS service uplink
Mobile-satellite
F
360
-
380
MHz
MUOS service downlink
Mobile-satellite
F
20.2
-
21.2
GHz
MUOS feeder downlink
Fixed-satellite
F
30
-
31
GHz
MUOS feeder uplink
Fixed-satellite
F
External Links:
"The Mobile User Objective System" (Johns Hopkins University Applied Physics Lab Technical Digest)
MUOS (Wikipedia)
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Advanced Extremely High Frequency (AEHF) Military Satellite System
The AEHF system consists of four geostationay satellites, and will provide advanced wideband communications capabilities for military applications. One satellite is presently in orbit.
Please refer to the Wikipedia article for detail on the AEHF system.
Paired Frequency Bands
Paired Bands
Use
Service
Table
20.2
-
21.2
GHz
AEHF downlink
Mobile-satellite
F
43.5
-
45.5
GHz
AEHF uplink
Mobile-satellite
F
External Links:
Spectrum Management Issues Related to the AEHF System (IEEE Military Communications Conference 2007)
Advanced Extremely High Frequency (Wikipedia)
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Add New...
Related Documents, Links, and Multimedia:
Legislation (1)
Middle Class Tax Relief and Job Creation Act of 2012
Despite the bill's title, this piece of legislation, signed into law in February of 2012, contains a significant number of laws that impact the radio spectrum, especially with regard to public safety communications and spectrum auctions. The relevant section is Title VI, which begins on page 46.
Frequencies/Bands
54
-
72
MHz
76
-
88
MHz
174
-
216
MHz
470
-
698
MHz
1675
-
1710
MHz
1915
-
1920
MHz
1995
-
2000
MHz
2155
-
2180
MHz
5350
-
5470
MHz
5850
-
5925
MHz
10.7
-
11.7
GHz
17.7
-
19.7
GHz
21.2
-
23.6
GHz
Document type and status:
Legislation (Current)
Document date or date of hyperlink query:
April 10, 2012
Middle Class Tax Relief and Job Creation Act of 2012
Edit...
Engineering Data
Lower Frequency
Center Frequency
Upper Frequency
Frequency
21.2 GHz
21.3 GHz
21.4 GHz
Wavelength
1.4 cm
1.4 cm
1.4 cm
Band designator(s)
SHF; K-band (IEEE)
SHF; K-band (IEEE)
SHF; K-band (IEEE)
Isotropic collecting area
0.2 cm
2
0.2 cm
2
0.2 cm
2
Free space loss (1 m)
59.0 dB
59.0 dB
59.1 dB
Free space loss (1 km)
119.0 dB
119.0 dB
119.1 dB
Free space loss (10 km)
139.0 dB
139.0 dB
139.1 dB
Free space loss (100 km)
159.0 dB
159.0 dB
159.1 dB
Free space loss (1000 km)
179.0 dB
179.0 dB
179.1 dB
Free space loss
(35,786 km = GEO orbit)
210.1 dB
210.1 dB
210.1 dB
Free space loss (378,370 km = Moon)
230.5 dB
230.6 dB
230.6 dB