23/10/06


Radio in Brazil

 

 

Digital Radio

 

It's following below the execution authorizations to Special Service to scientific or experimental by Anatel to Digital Radio tests in Brazil. The authorizations are valid per 1 year.

 

Short Wave

 

Sender City Act Date
Faculdade de Tecnologia da Universidade de Brasília. Brasília/DF 56,054 02/15/2006

 

Radios FM

 

Sender City Act Date
Rádio Vox 90 Americana/SP 58,671 05/31/2006
Rádio Cultura de
Campinas
Campinas /SP 55,997 02/13/2006
Rádio Santo Antônio de
Posse Stereo Som
Santo Antônio de Posse/SP 55,993 02/13/2006
Rádio 99 FM Stereo Santo André SP 54,200 11/23/2005
Sompur SP São Paulo/SP 53,101 09/26/2005
Rádios Itapema FM Porto Alegre/RS   09/16/2005
Rádio Excelsior São Paulo/SP 52,696 09/12/2005

 

Radios OM

 

Sender City Act Date
Rádio Mundial Rio de Janeiro/RJ 59,985 08/08/2006
Rádio Excelsior Ltda São Paulo/SP 59,986 08/08/2006
Rádio and TV Record São Paulo/SP 56,805 03/14/2006
Radiobrás Brasília/DF 56,641 03/09/2006
Sistema Atual de
Radiodifusão
Itapevi/SP 55,990 02/14/2006
Rádio Sociedade da Bahia BA 54,199 11/22/2005
Rádio and Televisão
Bandeirantes
São Paulo/SP 53,102 09/26/2005
Rádio Gaúcha Porto Alegre/RS   09/16/2005
Rádio Tiradentes Belo Horizonte/MG 52,697 09/12/2005

 

The University of Technology of UNB and Radiobrás are realizing tests with DRM standard, the other senders are using the american standard IBOC.

 

Standards

 

European: DAB to FM and DRM to AM.

Japanese: ISDB, or ISDB-T

United States: “iBiquity” with IBOC process ( In Band – On Channel ).

 

Teleco's Tutorials

 

Digital Radio (in portuguese)

Juarez Quadros do Nascimento

 

Digital Audio Broadcasting (DAB) (in portuguese)

Gilmar Gomes da Cruz Jr.

 

The following table presents the distribution channels of the radio senders in Brazil ( Source: Anatel- July 2005).

 

Radio Channels

FM

RadCom*

Medium Waves

Tropical Waves Short Wave
Activated 1,427 1,987 1,568 73 66
In fase of Activation 834 356 140 2 -
Free 4,649 - 450 547 5
Total 6,908 - 2,158 622 71

* Communitarian Broadcasting (FM), assigned channels to all brazilian cities

 

Radios FM (Modulated Frequency)

 

Class x Covering Area

 

Category
Classes
Service Area
Communitarian
until 25 W
until 1 Km
Local
C and B
until 16 Km
Regional
A
until 40 Km
E
until 78 km

 

FM Communitarian

 

It is the service of Sonorous Broadcasting in modulated frequency, operated in low power and with restricted covering, outorgated to Foundations and Communitarian Associations, without lucrative proposal, with office in the local of service provider.

 

Channel 200 (87.8 to 88.0 MHz) was assigned to exclusively use and in secundary character, of the stations of Communitarian Broadcasting Service, national level. Channel 285 is also used.

 

Informations about Communitarian Radio in the Communication Minister

 

Radio FM

 

Frequencies 87.8 MHz to 108 MHz.
Canalization 101 channels, with separate carriers of 200kHz. Each channel is identified by its central frequency. To each channel it is attributed a number of 200 (87.9 MHz) to 300 (107.9 MHz).

 

FM senders are classified according to maximum requirements in:

 

 

  Power (ERP)

Distance

(km)

Height

(m)

kW dBk
E1 100 20.0 78.0 600
E2 75 18.8 66.0 450
E3 60 17.8 54.0 300
A1 50 17.0 40.0 150
A2 30 14.8 36.0 150
A3 15 11.8 31.0 150
A4 5 7.0 24.0 150
B1 3 4.8 16.0 90
B2 1 0 12.0 90
C 0,3 -5.2 7.0 60
  • dBk is dB in relation to 1kW
  • Maximum Distance to the protected of 66 dBu (2 mV/m)
  • Height of reference about radial medium level.

The Basic Distribution Plans of FM channels (PBFM) and fM Communitarian (PBRADCOM) to brazilian localities can be consulted on Anatel's site : Siscom ( in portuguese)

 

Legislation

 

  Date  
Res.67 11/13/98

Technical Regulation to Broadcasting Sonorous Senders in Modulated Freqüency

 

changed by res 398 04/07/05

Port 103 01/26/04 Norm Complement n.º 1/2004 - Communitarian Broadcasting Service

 

 

Radios AM (Amplitude Modulation)

 

  Frequencies
Medium Wave (OM)

525 a 1.605 KHz

1.605 a 1.705 KHz

Tropical Wave (OT)

2.300 a 2.495 kHz

3.200 a 3.400 kHz

4.750 a 4.995 kHz

5.005 a 5.060 kHz

Short Wave (OC)

5.950 a 6.200 kHz

9.500 a 9.775 kHz

11.700 a 11.975 kHz

15.100 a 15.450 kHz

17.700 a 17.900 kHz

21.450 a 21.750 kHz

25.600 a 26.100 kHz

 

The senders of Medium Wave and Tropical Wave are classified in:

 

- Maximum Power

Minimum Characteristic Camp

Diurne Nocturnal
Class A 100 kW 50 kW 310 mV/m
Class B 50 kW 50 kW 295 mV/m
Class C 1 KW* 1 kW 280 mV/m

*There is a region (noise zone 2) in the Americas where this value is 5 KW.

 

Basic Distribution Plans of channels to each one of these services to brazilian localities can be consulted on Anatel's site: Siscom Informação Serviços Comunicação de Massa ( in portuguese)

 

Legislation

 

Res. Date  
116 03/26/99 Technical Regulation to Sonorous Broadcasting Service Provider in Medium Wave and Tropical Wave ( Band 120 meters)

 

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