{"id":"F2007L04666","name":"Radiocommunications (Digital Radio Channels - South Australia) Plan 2007","slug":"radiocommunications-digital-radio-channels-south-australia-plan-2007","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":71038,"registerId":"commonwealth-F2007L04666-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Designated BSA radio area","sectionType":"schedule","heading":"Designated BSA radio area","content":"## Designated BSA radio area\n\n Adelaide RA1","sortOrder":0},{"sectionNumber":"Table 1 Frequency channels","sectionType":"schedule","heading":"Table 1 Frequency channels","content":"## Table 1 Frequency channels\n\n| Column 1Multiplex Name | Column 2Frequency block | Column 3Reserved frequency block | Column 4Centre frequency (MHz) | Column 5Category | Column 6Technical Specification Number | Column 7Technical Specifications (Attachment number) |\n| ---------------------- | ----------------------- | -------------------------------- | ------------------------------ | ---------------- | -------------------------------------- | ---------------------------------------------------- |\n| Adelaide 1 | 9B | No | 204.640 | 1 | TS1132972 | 1.1 |\n| Adelaide 2 | 9C | Yes | 206.352 | 3 | TS1132973 | 1.2 |","sortOrder":1},{"sectionNumber":"Table 2 Number of licences to be issued","sectionType":"schedule","heading":"Table 2 Number of licences to be issued","content":"## Table 2 Number of licences to be issued\n\n| Column 1Licence Category | Column 2Number of licences |\n| ------------------------ | -------------------------- |\n| Category 1 | 1 |\n| Category 2 | 0 |\n| Category 3 | 1 |","sortOrder":2},{"sectionNumber":"Attachment 1.1 Multiplex Adelaide 1","sectionType":"schedule","heading":"Attachment 1.1 Multiplex Adelaide 1","content":"## Attachment 1.1 Multiplex Adelaide 1\n\n```html\n

Column 1

Technical specification

Column 2

Details

Category

1

General Area Served

Adelaide

Mode

DAB

Specification number

TS1132972

Transmitter Site

Nominal Location

NTL Tower

Summit Road

CRAFERS

Australian Map Grid Reference 1966

Zone Easting Northing

54 290707 6126723

Site Tolerance

Refer to technical planning guidelines

Emission

Frequency Band

VHF

Centre Frequency

204.640 MHz (Frequency Block 9B)

Polarisation

Vertical

Maximum antenna height

145 m

Output Radiation Pattern

Bearing or sector

(clockwise direction)

Depression angle

Maximum ERP

At or above dividing line

Below dividing line

0 °T – 70 °T

0.8°

21 kW

50 kW

70 °T – 120 °T

1.0°

1.6 kW

50 kW

120 °T – 140 °T

0.6°

2.1 kW

50 kW

140 °T – 145 °T

0.6°

4.5 kW

50 kW

145 °T – 295 °T

All angles

50 kW

295 °T – 340 °T

0.8°

13.5 kW

50 kW

340 °T – 360 °T

0.8°

21 kW

50 kW

\n```","sortOrder":3},{"sectionNumber":"Attachment 1.2 Multiplex Adelaide 2","sectionType":"schedule","heading":"Attachment 1.2 Multiplex Adelaide 2","content":"## Attachment 1.2 Multiplex Adelaide 2\n\n```html\n

Column 1

Technical specification

Column 2

Details

Category

3

General Area Served

Adelaide

Mode

DAB

Specification number

TS1132973

Transmitter Site

Nominal Location

NTL Tower

Summit Road

CRAFERS

Australian Map Grid Reference 1966

Zone Easting Northing

54 290707 6126723

Site Tolerance

Refer to technical planning guidelines

Emission

Frequency Band

VHF

Centre Frequency

206.352 MHz (Frequency Block 9C)

Polarisation

Vertical

Maximum antenna height

145 m

Output Radiation Pattern

Bearing or sector

(clockwise direction)

Depression angle

Maximum ERP

At or above dividing line

Below dividing line

0 °T – 70 °T

0.8°

21 kW

50 Kw

70 °T – 120 °T

1.0°

1.6 kW

50 kW

120 °T – 140 °T

0.6°

2.1 kW

50 kW

140 °T – 145 °T

0.6°

4.5 kW

50 kW

145 °T – 295 °T

All angles

50 kW

295 °T – 340 °T

0.8°

13.5 kW

50 kW

340 °T – 360 °T

0.8°

21 kW

50 kW

\n```","sortOrder":4}],"analysis":{"flash_summary":{"complexity_score":5,"scope_assessment":{"changed":false,"description":"The Plan narrowly designates two DAB multiplex channels for Adelaide, specifies their centre frequencies and technical parameters, and limits the number of licences (Table 1; Table 2; Attachments 1.1–1.2). It does not expand beyond allocating those channels and setting transmission requirements, so the instrument's scope is confined to assignment and technical specification rather than a broader regulatory change."},"complexity_factors":["Technical emission patterns that vary by bearing and depression angle with distinct maximum ERP values (Attachments 1.1 and 1.2).","Site‑specific parameters and coordinates given in Australian Map Grid Reference 1966 (Attachments 1.1 and 1.2).","Different licence categories for each multiplex and an explicit cap on the number of licences to be issued (Table 2).","Reserved frequency block flag for one multiplex (Table 1, Column 3), which affects availability and eligibility.","Cross‑references to external technical planning guidance/ site tolerance (Attachments 1.1 and 1.2: 'Refer to technical planning guidelines'), creating implementation dependence on other documents.","Separate technical specification numbers for each multiplex (TS1132972, TS1132973) requiring matching compliance with distinct attachments."],"plain_english_summary":"This Plan allocates two digital (DAB) radio multiplex channels for the Adelaide radio area, naming centre frequencies, categories and the exact number of licences to be issued. It also fixes technical transmission requirements (site, antenna height, polarisation and directional power limits). The measures affect organisations seeking licences and any multiplex operators, because they determine which frequencies are available, how many licences will be granted and the technical constraints operators must meet when transmitting."},"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is a discrete technical planning instrument made under the Radiocommunications Act 1992. It serves its original purpose of specifying digital radio channel arrangements for a designated broadcast service area. The scope remains tightly focused on frequency allocation and technical parameters for Adelaide's digital radio services."},"complexity_factors":["Highly technical content with 47+ specific data points across frequency, power, and location specifications","Nested tabular structure with multiple attachments containing radiation pattern tables","Extensive use of technical abbreviations (DAB, VHF, ERP, MHz) without inline definitions","Geospatial referencing using Australian Map Grid 1966 coordinates","Directional power constraints varying by compass bearing in 5-50 degree sectors","Cross-references to external 'technical planning guidelines' for site tolerance","Dual categorisation system (Category 1 and Category 3) with different regulatory implications"],"plain_english_summary":"This instrument sets technical rules for digital radio in Adelaide, allocating blocks 9B and 9C (204.640 MHz and 206.352 MHz), defining licence categories and limits, and prescribing transmitter parameters (NTL Tower at Crafers, 145 m max antenna, directional power limits, vertical polarization). \n\nIt affects broadcasters, the ACMA and Adelaide listeners by enabling multiplexed digital services and preventing interference through controlled frequencies, power and location."}},"importantCases":[],"_links":{"self":"/api/acts/radiocommunications-digital-radio-channels-south-australia-plan-2007","history":"/api/acts/radiocommunications-digital-radio-channels-south-australia-plan-2007/history","analysis":"/api/acts/radiocommunications-digital-radio-channels-south-australia-plan-2007/analysis","conflicts":"/api/acts/radiocommunications-digital-radio-channels-south-australia-plan-2007/conflicts","importantCases":"/api/acts/radiocommunications-digital-radio-channels-south-australia-plan-2007/important-cases","documents":"/api/acts/radiocommunications-digital-radio-channels-south-australia-plan-2007/documents"}}