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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.
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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
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
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