---
kind: "section"
citation: "47 C.F.R. § 90.137"
title: "47"
number: "90.137"
heading: "Applications for operation at temporary locations."
url: "https://uscodex.org/cfr/47/90.137"
---

# §90.137. Applications for operation at temporary locations.

- (a) An application for authority to operate a base or a fixed transmitter at temporary locations shall be filed in accordance with [§ 1.931](/cfr/47/1.931.md) of this chapter and the following:
  - (1) When one or more individual transmitters are to be operated by a licensee as a base station or as a fixed station at unspecified or temporary locations for indeterminate periods, such transmitters may be considered to comprise a single station intended to be operated at temporary locations.
  - (2) The application must specify the general geographic area within which the operation will be confined. The area may be specified as a city, a county or counties, a state or states or other definable geographic area such as a specified radius around a particular city or known geographic site.
  - (3) [Reserved]
- (b) When any unit or units of a base station or fixed station which are authorized for operation at temporary locations actually remain or are intended to remain at the same location for more than 1 year, an application for a separate authorization specifying the fixed location shall be made as soon as possible, but not later than 30 days after the expiration of the 1-year period.
- (c) **The provisions of this section do not apply to the 4940-4990 MHz band.**

## Notes

### Amendments

[43 FR 54791, Nov. 22, 1978, as amended at 45 FR 63862, Sept. 26, 1980; 51 FR 14997, Apr. 22, 1986; 58 FR 44956, Aug. 25, 1993; 62 FR 15992, Apr. 3, 1997; 63 FR 68963, Dec. 14, 1998; 68 FR 38639, June 30, 2003; 90 FR 57710, Dec. 12, 2025]

### Authority

Authority: 47 U.S.C. 154(i), 161, 303(g), 303(r), 332(c)(7), 1401-1473

### Source

Source: 43 FR 54791, Nov. 22, 1978, unless otherwise noted.

### Amendments

[43 FR 54791, Nov. 22, 1978, as amended at 45 FR 63862, Sept. 26, 1980; 51 FR 14997, Apr. 22, 1986; 58 FR 44956, Aug. 25, 1993; 62 FR 15992, Apr. 3, 1997; 63 FR 68963, Dec. 14, 1998; 68 FR 38639, June 30, 2003; 90 FR 57710, Dec. 12, 2025]