Allocations

 
U.S. Non-Federal-Government Allocations
535 - 1605 kHz
BROADCASTING

Relevant FCC Auctions:
Auction 32 (AM Broadcast Stations), $1,520,375
Auction 84 (AM Filing Window), $598,160
Auction 88 (Closed Broadcast), $1,442,450
Auction 109 (AM and FM Broadcast), $12,344,110
 Total net auction bids: $15,905,095

U.S. Federal Government Allocations
535 - 1605 kHz


ITU Region 1 Allocations
526.5 - 1606.5 kHz
BROADCASTING


ITU Region 2 Allocations
535 - 1605 kHz
BROADCASTING


ITU Region 3 Allocations
535 - 1606.5 kHz
BROADCASTING


SpectrumWiki


Footnotes

5.87   Additional allocation: in Angola, Botswana, Eswatini, Lesotho, Malawi, Mozambique, Namibia and Niger, the frequency band 526.5-535 kHz is also allocated to the mobile service on a secondary basis. (WRC 19)

5.87A   Additional allocation: in Uzbekistan, the band 526.5-1 606.5 kHz is also allocated to the radionavigation service on a primary basis. Such use is subject to agreement obtained under No. 9.21 with administrations concerned and limited to ground-based radiobeacons in operation on 27 October 1997 until the end of their lifetime. (WRC-97)

NG1  The band 535-1705 kHz is also allocated to the mobile service on a secondary basis for the distribution of public service information from Travelers Information Stations operating in accordance with the provisions of 47 CFR 90.242 on 10 kilohertz spaced channels from 540 kHz to 1700 kHz.

NG5  In the band 535-1705 kHz, AM broadcast licensees and permittees may use their AM carrier on a secondary basis to transmit signals intended for both broadcast and non-broadcast purposes. In the band 88-108 MHz, FM broadcast licensees and permittees are permitted to use subcarriers on a secondary basis to transmit signals intended for both broadcast and non-broadcast purposes. In the bands 54-72, 76-88, 174-216, 470-608, and 614-698 MHz, TV broadcast licensees and permittees are permitted to use subcarriers on a secondary basis for both broadcast and non-broadcast purposes. Use of the band 614-698 MHz is subject to the provisions specified in NG33.


SpectrumWiki

 
AM Broadcast Band
AM Broadcast Band
Aeronautical Nondirectional Radiobeacons (NDBs)


Related Documents, Links, and Multimedia:
FCC Proceeding (1)

Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 526.5 kHz 1066.5 kHz 1606.5 kHz
Wavelength 569.4 m 281.1 m 186.6 m
Band designator(s) MF MF MF
Isotropic collecting area 25,800.9 m2 6,288.0 m2 2,771.2 m2
Free space loss (1 m) N/A (near field) N/A (near field) N/A (near field)
Free space loss (1 km) 27.0 dB 33.0 dB 36.6 dB
Free space loss (10 km) 47.0 dB 53.0 dB 56.6 dB
Free space loss (100 km) 67.0 dB 73.0 dB 76.6 dB
Free space loss (1000 km) 87.0 dB 93.0 dB 96.6 dB
Free space loss
(35,786 km = GEO orbit)
118.1 dB 124.1 dB 127.6 dB
Free space loss (378,370 km = Moon) 138.6 dB 144.6 dB 148.1 dB
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