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(2) Primarily for point-to-point communication between Government and non-Government stations, subject to the conditions that no interference is caused to other services. Type A3 emission:

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(b) Fixed public service; public coastal and ship services. (1) Primarily for short distance communication between Government and non-Government stations and for communication between ships in Alaska waters and stations in Alaska operating in the public coastal service, provided the maximum power shall not exceed 100 watts and upon the condition that no interference will result to other services. Types A1, A2, A3 emission:

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(2) The frequencies 5,207.5 kilocycles unlimited, and 8,070 kilocycles day only, are also available for stations located in the Aleutian Islands west of 165 degrees west longitude.

(c) Public coastal service. (1) For communication with any ship station: 425 kilocycles, A1, A2 emission, maximum power 200 watts; 460 kilocycles, A1, A2 emission, maximum power 200 watts; 500 kilocycles, Calling, A1, A2 emission, maximum power 200 watts.

(2) For communication with ship stations in Alaskan waters: 1,592 and 2,538 kilocycles, A1, A2, A3 emission, maximum power 100 watts. (d) For use by ship stations in Alaskan waters in addition to those set forth in § 8.31 (a). 1,592 kilocycles, A1, A2, A3 emission, maximum power 100 watts; 2,538 kilocycles, A1, A2, A3 emission, maximum power 100 watts.

(e) Chain aviation frequencies. (Available on condition that no interference will result to other aviation service.) (1) Mid-Alaska Chain and Feeders (Orange):

(i) Available for aircraft and aeronautical stations on the route when the Department of Commerce has authorized scheduled airline operations.

(a) A1, A2 emission only: 1,638, 3,082.5, 3,105,67 5,692.5, 6,210.67 (b) A3 emission only: 2,946, 3,105,7 4,742.5, 6,210.67

(ii) Available for aircraft and aeronautical stations maintaining non-scheduled operations only.

(a) A1, A2 emission only: 2,816, 3105,7 5,682.5, 6,210.67

(b) A3 emission only: 2,648, 3,105,67 5,372.5, 6,210.07

(iii) Available for aeronautical point-to-point stations of licensees

of aeronautical stations on the route where the Department of Commerce has authorized scheduled airline operation.

(a) A1, A2 emission only: 1,638, 4,125, 6,570, 8,015.60

(b) A3 emission only: 5,602.5, 5,887.5.

65 May be used where originally authorized prior to March 1, 1937.

66 Not to be used between the hours of 6:00 P. M. and 6:00 A. M., P. S. T. 67 Not available for aeronautical stations on the Orange and Green Chains.

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(iv) Available for aeronautical point-to-point stations of licensees of aeronautical stations maintaining non-scheduled operation only. (a) A1, A2 emission only: 4,115, 5,632.5, 8015.66

(b) A3 emission only: 4,967.5, 5,122.5.

(2) Southern Alaska Chain and Feeders (Green):

(i) Available for aircraft and aeronautical stations on the route where the Department of Commerce has authorized scheduled airline operation.

(a) A1, A2 emission only: 2,608, 3,105,7 4,690, 6,210.67

(b) A3 emission only: 3,105,7 3,162.5, 5,032.5, 6,210.67

(ii) Available for aircraft and aeronautical stations maintaining non-scheduled operation only.

(a) A1, A2 emission only: 2,748, 3,105,7 5,310, 6,210.0"

(b) A3 emission only: 2,922, 3,105,7 5,652.5, 6,210,7 6,590.6

(iii) Available for aeronautical point-to-point stations of licensees of aeronautical stations on the route where the Department of Commerce has authorized scheduled airline operation.

(a) A1, A2 emission only: 4,947.5, 5,672.5, 8,015.0

(b) A3 emission only: 4,952.5, 5,582.5.

(iv) Available for aeronautical point-to-point stations of licensees of aeronautical stations maintaining non-scheduled operation only. (a) A1, A2 emission only: 4,650, 5,662.5, 8,015.00 (b) A3 emission only: 5,042.5, 5,622.5.

(f) Itinerant aircraft and off route service in Alaska. (1) The frequencies 3,105 and 6,210 kc. are designated as calling and working frequencies for aircraft in Alaska which do not normally fly the Orange and Green Chains. In addition, these frequencies may also be assigned to aeronautical stations at locations in Alaska and other than on the Orange and Green Chains.

(2) Aircraft and aeronautical stations in Alaska may use the frequency 8,220 kc. when the aircraft is separated by more than 400 miles from the nearest aeronautical station.

(3) All aeronautical stations, including those on the Orange and Green Chains, shall maintain listening watches during their regular hours of services (normally specified in the license as "unlimited" hours) as follows:

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1 Orange and Green Chain aeronautical stations will reply on their regular chain frequencies and employ the type of emission for the category in which thay are licensed to render service.

(4) Scheduled aircraft which normally fly the Alaska chain routes may communicate on chain frequencies with chain stations when they are making special trips off the normal route.** [Rule 419]

Not to be used between the hours of 6:00 P. M. and 6:00 A. M., P. S. T. "Not available for aeronautical stations on the Orange and Green Chains.

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MARINE SERVICE

14.51 Transmission of communications in emergency. A ship in an Alaskan port where radio or wire communication is not provided, or when such radio or wire service is suspended, may accept messages for transmission to the nearest public coastal station, and the radio equipment may be operated while the ship is alongside the dock or at anchor in such port, without regard to the provisions of § 8.36 (c), (d).** [Rule 418 (a)]

AERONAUTICAL SERVICE

14.71 Special service to be rendered by Alaskan aeronautical stations. Aeronautical stations in Alaska shall furnish emergency service to itinerant aircraft on request. Additional service may be rendered provided that suitable arrangements have been made between the licensee of the aeronautical station and the itinerant aircraft for cooperation in the cost of operation and maintenance.** [Rule 418 (c)]

14.72 Hours of service of Alaskan aeronautical stations. Every aeronautical station licensed for unlimited hours of operation in Alaska shall file with the Alaska Communication System a statement of the hours of service of the station and thereafter shall give immediate notice to that System of any changes therein.** [Rule 418 (d)]

PART 31-UNIFORM SYSTEM OF ACCOUNTS, CLASS A AND B TELEPHONE COMPANIES

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**For statutory and source citations, see note to § 14.1.

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