E-Mail generated [Jan 11 2017]

1697-EX-ST-2016 Correspondence

Georgia Institute of Technology

2017-01-11ELS_186471

To: Brian Holman E-Mail: brian.holman@gtri.gatech.edu From: Doug Young Date: January 11, 2017 Subject: Request for Info - STA File #1697-EX-ST-2016 ---------------------------------------------------------------------------------------------------------------------------- Message: The FCC's International Bureau/Satellite Division has the following comments we need you to address: We note that the emitter antenna height is 27 meter which has a radio horizon of 21 km (13 miles). There are a number of FSS received earth stations near the experimental station (the nearest is within 3.4 km away). To determine if there is a potential impact to FSS receive earth station, we need an antenna pattern in the vertical and horizontal plane to calculate an off-axis EIRP. We calculated the radar duty cycle = pulse width x Pulse Repetition Frequency (PRF = 1/PRI) and the calculated duty cycle is 50% which seems high for a solid state chirp pulse radar. We want to know if our calculation of the average power is correct. We used the radar calculated duty cycle x peak power given by form 442; (40 mW * 0.5) = 20mW. The items indicated above must be submitted before processing can continue on the above referenced application. Failure to provide the requested information within 30 days of January 11, 2017 may result in application dismissal pursuant to Section 5.67 and forfeiture of the filing fee pursuant to Section 1.1108. DO NOT Reply to this email by using the 'Reply' button. In order for your response to be processed expeditiously, you must upload your response via the Internet at https://apps.fcc.gov/oetcf/els/index.cfm by clicking on the "Reply to Correspondence" hyperlink. Responses to this correspondence must contain the Reference number : 35315


Document Created: 2017-01-11 10:25:48
Document Modified: 2017-01-11 10:25:48
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