Satellite Transmitter and Earth Station Receiver Specifications

0386-EX-CN-2019 Text Documents

University of Massachusetts Lowell

2019-05-29ELS_230930

Applicant: University of Massachusetts Lowell
File Number: 0386-EX-CN-2019
Correspondence Reference Number: 48272

Below are the answers to questions requested by Behnam Ghaffari:
a) Satellite antenna gain and beamwidth
• 8300-8400 MHz band (4x4 patch antenna array):
o Antenna gain: 15 dB
o Beamwidth: 25° (FWHM)
• 435-438 MHz band (tape dipole antenna):
o Antenna gain: 2 dB
o Beamwidth: 180° (FWHM)
b) Satellite transmitter antenna: Narrow Beam (NB) or Earth Coverage (EC)
• 8300-8400 MHz band (4x4 patch antenna array):
o Narrow Beam (NB)
• 435-438 MHz band (tape dipole antenna):
o Earth Coverage (EC)
c) Earth Station receiver:
i. Antenna gain:
• 8300-8400 MHz band (18 meters dish at MIT Haystack, Westford MA):
o 59 dB
• 435-438 MHz band (M2 436CP16 at UMass Lowell, Lowell MA):
o 15 dB
ii. Beamwidth:
• 8300-8400 MHz band (18 meters dish at MIT Haystack, Westford MA):
o 0.2°
• 435-438 MHz band (M2 436CP16 at UMass Lowell, Lowell MA):
o 42°
iii. Azimuth Range:
• 8300-8400 MHz band (18 meters dish at MIT Haystack, Westford MA):
o 360°
• 435-438 MHz band (M2 436CP16 at UMass Lowell, Lowell MA):
o 360°
iv. Site elevation above mean sea level in meters:
• 8300-8400 MHz band (18 meters dish at MIT Haystack, Westford MA):
o 99 meters
• 435-438 MHz band (M2 436CP16 at UMass Lowell, Lowell MA):
o 50 meters (to roof from mean sea level)
v. Antenna height above terrain in meters:
• 8300-8400 MHz band (18 meters dish at MIT Haystack, Westford MA):
o 25 meters
• 435-438 MHz band (M2 436CP16 at UMass Lowell, Lowell MA):
o 3 meters
d) Earth station receiver antenna azimuth, the minimum angle of elevation:
• 8300-8400 MHz band (18 meters dish at MIT Haystack, Westford MA):
o Azimuth: 360°
o Minimum angle of elevation: 5° (above horizon)
• 435-438 MHz band (M2 436CP16 at UMass Lowell, Lowell MA):
o Azimuth: 360°
o Minimum angle of elevation: 5° (above horizon)

Document Created: 2019-05-29 17:24:37
Document Modified: 2019-05-29 17:24:37

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