1638 kc: Navy Department priority recognized in the Canal Zone only; non-Government in the United States. *1652 kc: War Department priority recognized in Alaska only; non-Government in the United States, except in Alaska.

1666 kc: War Department priority recognized in Alaska only; non-Government in the United States, except in Alaska.

1682 kc: War Department priority recognized in Alaska only; non-Government in the United States, except in Alaska.

**1682 kc: Navy Department priority recognized in the Canal Zone only; non-Government in the United States, except Alaska.

1712 kc: War Department priority recognized in Alaska only; non-Government in the United States, except Alaska.

1738 kc: Canadian priority recognized for operations on 1734 kc in the Great Lakes area, as regards A3 emission on 1738 kc.

2066 kc: Available for non-Government assignment to experimental visual broadcasting. 2072 kc: Available for non-Government assignment to experimental visual broadcasting. *2052 kc: Available for non-Government assignment to experimental visual broadcasting. *2084 kc: Available for non-Government assignment to experimental visual broadcasting.

Secondary and intermittent operation with A3 emission authorized for communication with and between aircraft only. Adjacent channel priority recognized as regards this A3 operation.

2096 kc: Available for non-Government assignment to experimental visual broadcasting. 2118 kc: Non-Government priority recognized for ship harbor telephone service.

2182 kc: Non-Government priority recognized for ship harbor telephone service.

2206 kc: Non-Government priority recognized for ship harbor telephone service on the coasts of the continental United States.

*2222 kc: War Department priority recognized for operations on 2220 kc.

*2274 kc: Navy Department priority recognized for operations on 2272 kc.
2382 ke: Navy Department priority recognized for operations on 2384 kc.
2384 kc: Non-Government priority recognized for operations on 2382 kc.
2482 kc: Navy Department priority recognized for operations on 2484 kc.
2516 kc: Non-Government priority recognized for coastal harbor telephone serivce on frequency 2514 kc.

*2522 ke: Non-Government priority recognized for coastal harbor telephone service.

*2538 ke: Non-Government priority recognized for coastal harbor telephone service, and for ship stations in Alaskan

waters.

*2558 kc: Non-Government priority recognized for coastal harbor telephone service.

To be used on the North Carolina coast where no Coast Guard telephone service is available.

*2572 ke: Non-Government priority recognized for coastal harbor telephone service.

*2576 kc: Secondary and intermittent operation with A3 emission authorized. Adjacent channel priority recognized as regards this A3 operation.

t2660 2662 2662

2664 t2664

Interior (Geological Survey).

Navy

Treasury (Coast Guard).

A3 Treasury (Customs)..
Commerce (Fisheries).

A3

A3

War..

Treasury (Coast Guard).

2670

t2670

2670

t2670

2670

2670

2670

2676

A3

Coast, Ship
Fixed
Portable

Fixed

Fixed (Alaska only)

Land, Mobile, Portable
Aeronautical fixed

Land, Ship

Land, Mobile (On Canadian and Mexican Borders
only)

Fixed (On Canadian and Mexican Borders only)
Aeronautical

Fixed (Low-power automatic measuring or control
devices)

Fixed (Naval Reserve Communications)

Aeronautical, Land, Mobile, Portable

Fixed, Aeronautical fixed

Land, Mobile, Portable

Coast (Hydrographic, weather and notice to mariners broadcasts only)

Aeronautical, Land, Mobile, Portable

Fixed, Aeronautical fixed

Aeronautical, Land, Mobile, Portable
Fixed, Aeronautical fixed

Coast, Ship (For communication with Coast Guard
stations only)

Fixed (For communication with Coast Guard stations only)

Portable, Ship, Vehicular (For communication with Coast Guard stations only)

Coast (For communication with Coast Guard stations in Alaska only)

Ship (For communication with Coast Guard sta-
tions only)

Aeronautical, Land, Mobile, Portable
Fixed, Aeronautical fixed

Aeronautical, Land, Mobile, Portable

Fixed, Aeronautical fixed

Aeronautical, Land, Mobile, Portable

Fixed, Aeronautical fixed

Aeronautical, Land, Mobile, Portable

Fixed, Aeronautical fixed

*2616 kc: Temporarily used by non-Government stations in Alaska, as provided in Federal Communications Com. mission Rules 171.05, 172.01 and 173.02.

**2624 kc: Secondary and intermittent operation with A3 emission authorized for communication with and between aircraft only. Adjacent channel priority recognized as regards this A3 operation. 2630 kc: Non-Government priority recognized for operations on 2632 ke in Alaska.

2652 kc: Aeronautical Orange Chain priority recognized for operations on 2648 ke as regards A3 operation on 2652 kc. *2716 kc: Aeronautical Blue Chain priority recognized for operations on 2720 kc, as regards A3 operation on 2716 kc. *2744 kc: Aeronautical Green Chain priority recognized for operations on 2748 kc, as regards A3 operation on 2744 kc. *2764 kc: Secondary and intermittent operation with A3 emission authorized for communication with and between aircraft only. Adjacent channel priority recognized as regards this A3 operation.

*2792 kc: Non-Government priority recognized for operations on 2790 kc.

*2796 kc: Secondary and intermittent operation with A3 emission authorized for communication with and between aircraft only. Adjacent channel priority recognized as regards this A3 operation.

2800 kc: Secondary and intermittent operation with A3 emission authorized for communication with and between aircraft only. Adjacent channel priority recognized as regards this A3 operation. *2816 kc: Secondary and intermittent operation with A3 emission authorized for communication with and between aircraft only. Adjacent channel priority recognized as regards this A3 operation.

*2852 ke: Department of the Interior priority recognized in the Rocky Mountain states, and west thereof; nonGovernment priority recognized east of these points.

*2912 kc: Priority recognized for Navy Department operations on 2916 kc. Temporarily available for non-Government assignments in Alaska.

*2916 ke: Aeronautical communications priority recognized for Green Chain operations on 2922 kc.

*2960 kc: May be used by the War Department provided no interference will be caused with the Civil Aeronautics Authority stations in the continental United States.

*2970 kc: May be used by the War Department provided no interference will be caused with the Civil Aeronautics Authority stations in the continental United States.

*2980 ke: May be used by the War Department provided no interference will be caused with the Civil Aeronautics Authority stations in the continental United States.

*2994 kc: Department of the Interior priority recognized in the southwest United States and Alaska; non-Government aeronautical services priority recognized in the remaining portions of the United States. May be used by non-Government stations in Alaska where originally authorized prior to March 1, 1937.

*3017.5 kc: Canadian priority recognized for operations on 3012.5 and 3022.5 kc.

*3037.5 kc: Foreign priority recognized for operations on 3040 kc.

3052. 5 kc: Canadian priority recognized for operations on 3050 and 3055 kc.
*3070 kc:

Navy Department priority recognized in Canal Zone and vicinity only; non-Government in the United
States.

*3082. 5 kc: Navy Department priority recognized in Canal Zone and vicinity only; non-Government in the United States.

*3085 kc:

*3095 kc:

Non-Government aeronautical priority recognized for Orange Chain operation on 3082.5 kc, and for
Blue Chain operation on 3088 kc.

3092. 5 kc used by non-Government stations in Alaska, as provided in Federal Communications Com
mission Rules 171.05, 172.01, and 173.02.

⚫ 3265 kc:

A3

May be used for non-Government services in Alaska where originally authorized prior to March 1, 1937.
The Indian Service recognizes the priority of these non-Government stations.

3307.5 kc: Canadian priority recognized for operations on 3305 and 3310 kc.

3332.5 kc: Canadian priority recognized for operations on 3330 and 3335 kc. 3350 kc:

Temporarily available for license by the Federal Communications Commission to the Alaska Communication Commission.

3397.5 kc: Civil Aeronautics Authority priority recognized for operations on 3395 and 3400 kc. 3400 kc:

3402.5 kc: *3415 kc:

Temporarily available for licence by the Federal Communications Commission to the Alaska Com-
munication Commission.

Civil Aeronautics Authority priority recognized for operations on 3400 and 3405 kc.
Department of Commerce (Lighthouses) priority recognized for operations on 3410 kc, as regards A3
operation on 3415 kc.

3427.5 kc: Non-Governinent aeronautical priority recognized for Yellow Chain operation on 3432.5 kc.
3437.5 kc: Non-Government aeronautical priority recognized for Yellow Chain operation on 3432.5 kc.
3535 kc: Secondary and intermittent operation with A3 emission authorized. Adjacent channel priority recog-
nized as regards this A3 operation.

*3785 kc:

Secondary and intermittent operation with A3 emission authorized.
nized as regards this A3 operation.

Adjacent channel priority recog

4020 kc:

Secondary and intermittent operation with A3 emission authorized for communication with and between aircraft only. Adjacent channel priority recognized as regards this A3 operation.