Attachment O3b sessta201902140

O3b sessta201902140

LETTER submitted by O3b

letter sup

0000-00-00

This document pretains to SES-STA-20190214-00174 for Special Temporal Authority on a Satellite Earth Station filing.

IBFS_SESSTA2019021400174_1635031

From: Will Lewis <will.lewis@ses.com> Sent: Friday, March 8, 2019 10:55 AM To: Paul Blais <Paul.Blais@fcc.gov>; Trang Nguyen <Trang.Nguyen@fcc.gov> Subject: RE: 30 day STA Hawaii ses-sta-20190214-00174FW: O3b mod to add 27.5 27.6, waiver to ignore UMFUS ses-mod-20190207-00084 Hi Paul and Trang, Thank you for your email. My apologies for the mistakes in the application and I appreciate you reaching out about them. Below are my answers to your questions. Please let me know if you have any follow up questions or further information requests: 1. These next four satellites will be O3b 17-20 and these are the ones we are seeking to communicate with in SES-STA-20190214-00174. These satellites will operate in the equatorial orbit and will utilize the 19.7-20.2 GHz and 29.5-30.0 GHz bands in addition to the original O3b bands. Please see the below chart from O3b’s Market Access Grant for the frequency breakdown on these satellites: 2. Please see the below values for the mid-band antenna gain values in the 19700-20200 GHz & 29.5-30.0 GHz bands: Calculated values Freq Gain [GHz] dBi 29.5 65.64 Tx 29.75 65.71 30.00 65.78 Rx 19.7 63.61

19.95 63.72 20.20 63.83 Best regards, Will


Document Created: 2019-03-08 13:29:27
Document Modified: 2019-03-08 13:29:27
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