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NOTE: REQUEST FOR EXTENSION OF THE EFFECTIVE PERIOD OF THIS DETERMINATION MUST <br />BE E-FILED AT LEAST 15 DAYS PRIOR TO THE EXPIRATION DATE. AFTER RE-EVALUATION <br />OF CURRENT OPERATIONS IN THE AREA OF THE STRUCTURE TO DETERMINE THAT NO <br />SIGNIFICANT AERONAUTICAL CHANGES HAVE OCCURRED, YOUR DETERMINATION MAY BE <br />ELIGIBLE FOR ONE EXTENSION OF THE EFFECTIVE PERIOD. <br />This determination is based, in part, on the foregoing description which includes specific coordinates, heights, <br />frequency(ies) and power. Any changes in coordinates, heights, and frequencies or use of greater power, except <br />those frequencies specified in the Colo Void Clause Coalition; Antenna System Co -Location; Voluntary Best <br />Practices, effective 21 Nov 2007, will void this determination. Any future construction or alteration, including <br />increase to heights, power, or the addition of other transmitters, requires separate notice to the FAA.This <br />determination includes all previously filed frequencies and power for this structure. <br />If construction or alteration is dismantled or destroyed, you must submit notice to the FAA within 5 days after <br />the construction or alteration is dismantled or destroyed. <br />I his determination does include temporary construction equipment such as cranes, derricks, etc., which may be <br />u'rd during actual construction of the structure. However, this equipment shall not exceed the overall heights as <br />indicated above. Equipment which has a height greater than the studied structure requires separate notice to the <br />I r\A. <br />I hk determination concerns the effect of this structure on the safe and efficient use of navigable airspace <br />h% aircraft and does not relieve the sponsor ol'compliance responsibilities relating to any law, ordinance, or <br />regulation of any Federal, State, or local govertuncni body. <br />Iwe can be of furtherassistanec. please contact our ol'fice at (206) 231-2990. or paul,holnului,tu faa.gov. On <br />am future correspondence Concerning thi; matter, please refer to Aerarautical StUdy Number 2020-AWT-1999- <br />OE, <br />Signature Control No: 431129105-43?730455 <br />Paul Holmquist <br />Specialist <br />:Attachment(s) <br />blap(s) <br />Page 2 of 4 <br />(DNE) <br />75C-918 <br />