Chapter 5 Frequency, Call Sign, Electric Power and Supervision of Other Radio Wave
Article 25
Frequency used by stations shall be planned and allocated by the competent authority jointly with the competent authority.
Frequency, electric power and transmitting manners used by stations shall be wholly managed by the competent authority, and shall not be used or changed without approval.
For the overall development of Telecommunications and information, the competent authority may adjust or request for equipment replacement. Station and users shall not refuse or request for compensation.
FM broadcasting station transmitting the sub-carrier message and DVB station transmitting data shall provide and attach an application to apply to the competent authority for transfer to the competent authority. After licenses of station are renewed with the approval by the MOTC, the above stations may start to operate.
Those who use FM broadcasting station to transmit the message of sub-carrier and DVB station transmitting data must conform to the provisions as follows:
1. The above uses are for the public’s direct receipt and are not involved in collecting any fee from the public.
2. The broadcasting message shall not cause an obvious degradation of original programs or an interference with the established broadcasting, TV and communication station.
3. Messages that are involved in programs or advertisements shall conform to the provisions of Broadcasting TV Laws.
Stations that violate the proceeding regulations or related regulations shall be stopped broadcasting the sub-carrier message transmitted from FM broadcasting station, the data transmitted by DVB station, by the competent authority without any compensation.
Article 26
Output electric power and transmitting field strength of transmitter for each type of station are stipulated as follows:
1. AM Broadcasting station:
(1) Output power of transmitter for Type A AM Broadcasting station shall be below 1000 W. field strength of ground wave beyond a radius of 40km from transmitting antenna shall not be greater than 500 uV/m or 54 dBuV/m . If isotropic curve for field strength of transmission isn’t a regular circle, the widest radial length of field strength mentioned above shall not exceed 80km.
(2) Output power of transmitter for Type B AM Broadcasting station shall be below 5000 W. field strength of ground wave beyond a radius of 60km from transmitting antenna shall not be greater than 500 uV/m or 54 dBuV/m. If isotropic curve for field strength of transmission isn’t a regular circle , the widest radial length of field strength mentioned above shall not exceed 120km.
(3) Output power of transmitter for Type C AM Broadcasting station shall exceed 5000 W. field strength of ground wave beyond a radius of 100km from transmitting antenna shall not be greater than 500 uV/m or 54 dBuV/m . If isotropic curve for field strength of transmission isn’t a regular circle, the widest radial length of field strength mentioned above shall not exceed 200km.
(4) Output electric power of transmitter and field strength of transmission for other type and overseas AM broadcasting station shall be stipulated by the competent authority depending on practical situations.
2. FM Broadcasting station:
(1) Output power of transmitter for Type A FM Broadcasting station in Yilan ,Hualien, Taitung(hereinafter referred to as Eastern) and regions off Taiwan shall be below 1500 W, and the rest of regions shall be below 750W. Field strength of ground wave for Eastern and regions off Taiwan beyond a radius of 15km from transmitting antenna shall not be greater than 500 uV/m or 54 dBuV/m. If isotropic curve for field strength of transmission isn’t a regular circle , the widest radial length of field strength mentioned above shall not exceed 30km; field strength of ground wave for the rest of areas beyond a radius of 10km from transmitting antenna shall not be greater than 500 uV/m or 54 dBuV/m. If isotropic curve for electric field intensity of transmission isn’t a regular circle, the widest radial length of field strength mentioned above shall not exceed 20km.
(2) Output power of transmitter for Type B FM Broadcasting station shall be below 3000 W. Field strength of ground wave for Eastern and regions off Taiwan beyond a radius of 30km from transmitting antenna shall not be greater than 500 uV/m or 54 dBuV/m. If isotropic curve for field strength of transmission isn’t a regular circle , the widest radial length of field strength mentioned above shall not exceed 60km; field strength of ground wave beyond a radius of 20km from transmitting antenna shall not be greater than 500 uV/m or 54 dBuV/m. If isotropic curve for field strength of transmission isn’t a regular circle, the widest radial length of field strength mentioned above shall not exceed 40km.
(3) Output electric power of transmitter for Type C FM broadcasting station shall be below 30kW. Field strength of ground wave beyond a radius of 60km from transmitting antenna shall not be greater than 500 uV/m or 54 dBuV/m. If isotropic curve for field strength of transmission isn’t a regular circle , the widest radial length of electric field intensity mentioned above shall not exceed 120km.
(4) Output electric power of transmitter and electric field intensity of transmission for other types of FM broadcasting station shall be stipulated by the competent authority depending on the practical situations.
3. Output electric power of transmitter and field strength for entire area digital radio broadcasting station(DVB)shall be less than 10 KW and Output power of transmitter and transmitting field strength for digital radio broadcasting station (DVB)shall be less than 5 KW.
The field strength transmitted by station in the proceeding paragraph shall depend on the situations stipulated by the competent authority.To cope with the requirement of competent authority management or interfered by electric wave, under the competent authority’s discretion, the aforementioned station should adjust output power of transmitter and field strength. For interference resulted from adjusted power of transmitter, it should be resolve through negotiation. If failed to solve the interference, it can appeal the competent authority and solve in accordance with the competent authority’s concluded decision.
Article 27
The regulations of interference protection for each type station are as follows:
1. AM Broadcasting station:
(1) Intra-frequency (a frequency span of 0kHz): Field strength for a newly established station shall not exceed 100 dBuV/m within the range covered by a established station with 2000 uV/m or 66 dBuV/m of field strength ; Field strength for a newly established station shall not exceed 2000 uV/m within the range covered by a established station with 100 uV/m or 40 dBuV/m of field strength.
(2) The first adjacent channel (a frequency span of 9kHz): Field strength for a newly established station shall not exceed 500 uV/m within the range covered by an established station with 500 uV/m or 54 dBuV/m of field strength.
(3) The second adjacent channel (a frequency span of 18kHz): Field strength for a newly established station shall not exceed 2000uV/m within the range covered by a established station with 25000 uV/m or 88 dBuV/m of field strength ; Field strength for a newly established station shall not exceed 25000 uV/m within the range covered by a established station with 2000 uV/m or 66 dBuV/m of field strength.
(4) The third adjacent channel (a frequency span of 27kHz): Field strength for a newly established station shall not exceed 25000 uV/m within the range covered by a established station with 25000 uV/m or 88 dBuV/m of field strength. However, in cases that a new (or relocated) radio station presents a concern of interference due to specific need of location, and the interference persists to fail the requirements specified in this subparagraph even after all necessary engineering improvement has been made, the applicant of such a station may reach an agreement with the operator(s) of existing radio station(s), provided such an agreement is approved by the competent authority.
2. FM Broadcasting station:
(1) Intra-frequency (a frequency span of 0 kHz): Field strength for a newly established station shall not exceed 40 dBuV/m within the range covered by a established station with 60 dBuV/m of field strength.
(2) The first adjacent channel (a frequency span of 200kHz): Field strength for a newly established station shall not exceed 54 dBuV/m within the range covered by a established station with 60 dBuV/m of field strength.
(3) The second adjacent channel (a frequency span of 400kHz): Field strength for newly established station shall not exceed 80 dBuV/m within the range covered by established station with 60 dBuV/m of field strength. However, in cases that a new (or relocated) radio station presents a concern of interference due to specific need of location, and the interference persists to fail the requirements specified in this subparagraph even after all necessary engineering improvement has been made, the applicant of such a station may reach an agreement with the operator(s) of existing radio station(s), provided such an agreement is approved by the competent authority.
(4) The third adjacent channel (a frequency span of 600 kHz): Field strength for a newly established station shall not exceed 100 dBuV/m within the range covered by a established station with 60 dBuV/m of field strength. However, in cases that a new (or relocated) radio station presents a concern of interference due to specific need of location, and the interference persists to fail the requirements specified in this subparagraph even after all necessary engineering improvement has been made, the applicant of such a station may reach an agreement with the operator(s) of existing radio station(s), provided such an agreement is approved by the competent authority.
3. Digital Radio Station: At the boundary of service range for local broadcasting network as approved by supervising authority, the intensity of electric field shall not be greater than 32dB (MV/m). However, at the boundary, this requirement does not apply to the service providers of neighboring service zones that agree on no interference to one another.
The requirements set forth in subparagraph 3 and 4 of paragraph 2 above does not apply to towers that are shared by radio stations or whose antennas are less than 1km apart and approved by supervising authority as no concern of interference.
If an existing AM station which has been set up for over 15 years is relocated to a new site located less than 15 km from the existing site, the relocated station should coordinate with interfered stations and reaches an agreement, and, the requirement set forth in item 2 and 3, subparagraph 1, paragraph 1 of article 1 does not apply to relocated stations when the agreement is approved by the competent authority.
The interference protection of the radio stations owned by the same radio business shall be approved by the competent authority.
Article 28
The installation of a transmitter for station should avoid affecting the functions of other existing telecommunications equipment, and should avoid obstructing or interfering with legal communication.
Article 30
When a radio or a television enterprise terminating the use of the radio station, it shall declare with competent government authorities and also have its radio station license revoked, and its transmitter shall be sought per the Regulations on Inspection and Certification of Controlled Telecommunications Equipment.
Article 31
Radio stations that do not get, or renew, or being revoked, or being abolished of their radio station licenses, may not operate in launching radio waves, except otherwise stipulated by this regulation and Broadcasting and Television Act as well as the authorized laws promulgated.
The competent government authorities may revoke or abolish the radio station installation permit, its entire or partial frequency’s radio station license and frequency utilization right if a radio or television enterprise’s broadcast or television license or founding permit that being revoked or abolished by competent government authorities, or not receiving an approval for a renewal or when the entire or partial frequency utilization right has been revoked. The transmitter shall be sought per the Regulations on Inspection and Certification of Controlled Telecommunications Equipment.
Article 32
In order to promote research and development of new technologies for broadcasting and TV, the DGT may draft a plan and apply to the MOTC for approval. After approval, the DGT may conduct or choose appropriate operators to conduct a trial broadcasting.
Article 33
Those who violate these Regulations shall suffer penalty in accordance with the Telecommunications Act.