Yagi Antenna Design

 

Yagi Antenna Design

Practical Antenna Handbook

 

1 Introduction to Radio Broadcasting and

Communications 1

2 Radio-wave Propagation 5

3 Transmission Lines 59

4 The Smith Chart 95

5 Fundamentals of Radio Antennas 123

6 High-Frequency Dipole and Other Doublet Antennas 141

7 Vertically Polarized HF Antennas 173

8 Multiband and Tunable-Wire Antennas 203

9 Longwire Directional Antennas 213

10 Hidden and Limited-Space Antennas 231

11 Directional Phased Vertical Antennas 245

12 Directional Beam Antennas 255

13 Antennas for Shortwave Reception 271

14 Large Wire Loop Antennas 287

15 Small Loop Receiving Antennas 299

16 Small Transmitting Loop Antennas 319

17 Antenna Modeling Software 327

18 VHF/UHF Transmitting and Receiving Antennas 339

19 Microwave Waveguides and Antennas 369

20 Antenna Noise Temperature 417

21 Antennas for Radio Astronomy 421

22 Adjusting, Installing, and Troubleshooting Antennas and

Transmission Lines 433

23 Antennas for Radio Direction Finding (RDF) 439

24 Impedence Matching in Antenna Systems 457

25 Mobile, Emergency, Portable, and Marine Antennas 479

26 Antennas for Low-Frequency Operation 501

27 Measurement and Adjustment Techniques 515

28 General Antenna Mechanical Construction Techniques 543

29 Grounding the Antenna: What Is a Good Ground? 573

Top Telecom Companies in Australia

The telecommunications industry in Australia is robust and competitive, with numerous companies offering a wide range of services from broadband internet to mobile communications and enterprise solutions. This article will provide a comprehensive overview of the top telecom companies in Australia, including detailed reviews, website links, infrastructure insights, services offered, revenue information, and examples of companies using their services.

1. Telstra

Overview: Telstra is the largest telecommunications company in Australia, offering a wide range of services including mobile, broadband, fixed-line, and enterprise solutions.

Website: Telstra

Infrastructure: Telstra boasts an extensive infrastructure network, including a nationwide 4G and 5G mobile network, extensive fibre-optic and copper networks, and international subsea cables.

Services:

• Mobile services
• Broadband internet (NBN and ADSL)
• Fixed-line telephony
• Enterprise and government solutions
• Cloud and managed IT services
• IoT and M2M solutions

Revenues: Telstra's annual revenue is approximately AUD 26 billion.

Examples of Companies Using Telstra Services:

• Commonwealth Bank of Australia
• Woolworths
• Qantas Airways

2. Optus

Overview: Optus is the second-largest telecom company in Australia, offering a range of services including mobile, broadband, fixed-line, and enterprise solutions.

Website: Optus

Infrastructure: Optus operates a comprehensive 4G and 5G mobile network, as well as fibre-optic and satellite infrastructure.

Services:

• Mobile services
• Broadband internet (NBN and ADSL)
• Fixed-line telephony
• Enterprise and government solutions
• Cloud and managed IT services
• Cybersecurity solutions

Revenues: Optus's annual revenue is approximately AUD 9 billion.

Examples of Companies Using Optus Services:

• BHP
• University of Sydney
• Australia Post

3. TPG Telecom

Overview: TPG Telecom, formed by the merger of TPG and Vodafone Hutchison Australia, offers a range of mobile, broadband, and enterprise solutions.

Website: TPG Telecom

Infrastructure: TPG Telecom operates a nationwide mobile network, extensive fibre-optic infrastructure, and a significant presence in NBN services.

Services:

• Mobile services (Vodafone brand)
• Broadband internet (NBN and ADSL)
• Fixed-line telephony
• Enterprise and government solutions
• Cloud and managed IT services
• Data centre services

Revenues: TPG Telecom's annual revenue is approximately AUD 5 billion.

Examples of Companies Using TPG Telecom Services:

• ANZ Bank
• Myer
• Australian Broadcasting Corporation (ABC)

4. Vocus Group

Overview: Vocus Group is a leading provider of fibre and network solutions, offering services to enterprise, government, wholesale, and residential customers.

Website: Vocus Group

Infrastructure: Vocus operates an extensive fibre-optic network, including subsea cables and data centres across Australia and New Zealand.

Services:

• Fibre and network solutions
• Broadband internet (NBN and fibre)
• Enterprise and government solutions
• Cloud and data centre services
• Unified communications
• Managed IT services

Revenues: Vocus Group's annual revenue is approximately AUD 1.9 billion.

Examples of Companies Using Vocus Services:

• Woolworths
• Flight Centre
• Australian Department of Defence

5. iiNet

Overview: iiNet, a subsidiary of TPG Telecom, is known for providing broadband, phone, and mobile services with a strong focus on customer service.

Website: iiNet

Infrastructure: iiNet leverages TPG's extensive fibre-optic network and has a strong presence in NBN services.

Services:

• Broadband internet (NBN and ADSL)
• Mobile services
• VoIP and phone services
• Business internet solutions
• Cloud and hosting services

Revenues: iiNet's financials are consolidated under TPG Telecom, contributing to its overall revenue of AUD 5 billion.

Examples of Companies Using iiNet Services:

• Small to medium-sized enterprises (SMEs)
• Residential customers
• Educational institutions

6. Aussie Broadband

Overview: Aussie Broadband is a fast-growing provider of NBN services, known for its transparent pricing and excellent customer support.

Website: Aussie Broadband

Infrastructure: Aussie Broadband operates its own backhaul network, ensuring high-quality and reliable NBN services.

Services:

• NBN broadband internet
• Mobile services
• VoIP and phone services
• Business internet solutions
• Cloud and hosting services

Revenues: Aussie Broadband's annual revenue is approximately AUD 300 million.

Examples of Companies Using Aussie Broadband Services:

• SMEs across various sectors
• Residential customers
• Tech startups

7. Southern Phone

Overview: Southern Phone, owned by AGL, provides broadband, mobile, and phone services with a focus on regional and rural Australia.

Website: Southern Phone

Infrastructure: Southern Phone leverages the NBN and mobile networks of major providers to deliver services in regional areas.

Services:

• NBN broadband internet
• Mobile services
• VoIP and phone services
• Business internet solutions

Revenues: Southern Phone's annual revenue is consolidated under AGL.

Examples of Companies Using Southern Phone Services:

• Regional SMEs
• Local government offices
• Residential customers in rural areas

8. MyRepublic

Overview: MyRepublic is an innovative broadband provider focusing on NBN services with a strong emphasis on speed and gaming performance.

Website: MyRepublic

Infrastructure: MyRepublic utilizes the NBN network and has invested in its own backhaul infrastructure to ensure high-speed services.

Services:

• NBN broadband internet
• VoIP and phone services
• Business internet solutions
• Gaming optimized plans

Revenues: MyRepublic's annual revenue is approximately AUD 100 million.

Examples of Companies Using MyRepublic Services:

• SMEs
• Residential customers
• Gamers and tech enthusiasts

9. Exetel

Overview: Exetel offers broadband, mobile, and VoIP services, focusing on providing affordable and reliable connectivity solutions.

Website: Exetel

Infrastructure: Exetel utilizes the NBN network and partnerships with major providers for mobile services.

Services:

• NBN broadband internet
• Mobile services
• VoIP and phone services
• Business internet solutions
• Cloud and hosting services

Revenues: Exetel's annual revenue is approximately AUD 120 million.

Examples of Companies Using Exetel Services:

• SMEs
• Residential customers
• Startups

10. Pentanet

Overview: Pentanet is a rapidly growing ISP in Western Australia, providing high-speed fixed wireless and NBN services.

Website: Pentanet

Infrastructure: Pentanet operates its own fixed wireless network and leverages the NBN for broadband services.

Services:

• Fixed wireless broadband
• NBN broadband internet
• VoIP and phone services
• Business internet solutions
• Cloud gaming services

Revenues: Pentanet's annual revenue is approximately AUD 20 million.

Examples of Companies Using Pentanet Services:

• SMEs in Western Australia
• Residential customers
• Tech startups

11. Spirit Telecom

Overview: Spirit Telecom offers high-speed internet, VoIP, and cloud solutions primarily for business customers.

Website: Spirit Telecom

Infrastructure: Spirit Telecom operates its own fibre-optic network and fixed wireless infrastructure, ensuring reliable and high-speed services.

Services:

• Fibre and fixed wireless broadband
• VoIP and phone services
• Business internet solutions
• Cloud and managed IT services
• Cybersecurity services

Revenues: Spirit Telecom's annual revenue is approximately AUD 50 million.

Examples of Companies Using Spirit Telecom Services:

• SMEs
• Corporate offices
• Educational institutions

12. Uniti Group

Overview: Uniti Group provides broadband and phone services, focusing on high-speed fibre and fixed wireless solutions.

Website: Uniti Group

Infrastructure: Uniti operates its own fibre-optic and fixed wireless networks, offering high-speed internet services.

Services:

• Fibre and fixed wireless broadband
• VoIP and phone services
• Business internet solutions
• Cloud services

Revenues: Uniti Group's annual revenue is approximately AUD 200 million.

Examples of Companies Using Uniti Group Services:

• SMEs
• Residential customers
• Local government offices

13. Telstra Wholesale

Overview: Telstra Wholesale offers wholesale telecommunications services, providing network access to other ISPs and telecom providers.

Website: Telstra Wholesale

Infrastructure: Telstra Wholesale leverages Telstra's extensive fibre-optic and copper network infrastructure.

Services:

• Wholesale broadband and internet
• Wholesale mobile services
• Network access solutions
• Managed network services

Revenues: Telstra Wholesale's revenue is part of Telstra's overall revenue of AUD 26 billion.

Examples of Companies Using Telstra Wholesale Services:

• Other ISPs
• Telecom resellers
• Managed service providers

14. Vodafone Australia

Overview: Vodafone Australia, now part of TPG Telecom, offers a wide range of mobile and broadband services with a strong focus on network performance and customer satisfaction.

Website: Vodafone Australia

Infrastructure: Vodafone operates a comprehensive mobile network with extensive 4G and growing 5G coverage, along with fibre-optic broadband infrastructure.

Services:

• Mobile services
• NBN broadband internet
• VoIP and phone services
• Business mobile solutions
• IoT and M2M solutions

Revenues: Vodafone Australia's revenue is consolidated under TPG Telecom, contributing to its overall revenue of AUD 5 billion.

Examples of Companies Using Vodafone Australia Services:

• Large enterprises
• SMEs
• Retail chains

15. Internode

Overview: Internode, a subsidiary of iiNet, offers broadband, phone, and hosting services with a focus on high performance and customer service.

Website: Internode

Infrastructure: Internode leverages the NBN and iiNet's fibre-optic network for delivering broadband services.

Services:

• NBN broadband internet
• VoIP and phone services
• Business internet solutions
• Cloud and hosting services

Revenues: Internode's financials are consolidated under iiNet, contributing to TPG Telecom's overall revenue of AUD 5 billion.

Examples of Companies Using Internode Services:

• SMEs
• Residential customers
• Educational institutions

16. TasmaNet

Overview: TasmaNet provides high-speed internet and cloud services, focusing on business customers and educational institutions in Tasmania.

Website: TasmaNet

Infrastructure: TasmaNet operates its own fibre-optic network in Tasmania, providing high-speed connectivity.

Services:

• Fibre and NBN broadband
• VoIP and phone services
• Business internet solutions
• Cloud and hosting services

Revenues: TasmaNet's annual revenue is approximately AUD 10 million.

Examples of Companies Using TasmaNet Services:

• Businesses in Tasmania
• Educational institutions
• Local government offices

17. SkyMesh

Overview: SkyMesh specializes in providing satellite internet services, catering to remote and rural areas across Australia.

Website: SkyMesh

Infrastructure: SkyMesh leverages the NBN satellite service to deliver broadband connectivity to remote regions.

Services:

• Satellite broadband internet
• VoIP and phone services
• Business internet solutions

Revenues: SkyMesh's annual revenue is approximately AUD 15 million.

Examples of Companies Using SkyMesh Services:

• Remote businesses
• Rural residential customers
• Agricultural enterprises

18. Commander

Overview: Commander provides a range of telecommunications and IT services for small to medium-sized businesses, focusing on comprehensive communication solutions.

Website: Commander

Infrastructure: Commander utilizes the NBN and other major networks to deliver reliable services.

Services:

• NBN broadband internet
• VoIP and phone services
• Business internet solutions
• Managed IT services
• Cloud and hosting services

Revenues: Commander's annual revenue is approximately AUD 150 million.

Examples of Companies Using Commander Services:

• SMEs across various sectors
• Retail chains
• Professional services firms

19. Primus Telecom

Overview: Primus Telecom offers a range of broadband, mobile, and VoIP services, focusing on cost-effective solutions for residential and business customers.

Website: Primus Telecom

Infrastructure: Primus Telecom leverages the NBN and other major networks to provide broadband services.

Services:

• NBN broadband internet
• Mobile services
• VoIP and phone services
• Business internet solutions

Revenues: Primus Telecom's annual revenue is approximately AUD 50 million.

Examples of Companies Using Primus Telecom Services:

• SMEs
• Residential customers
• Small retail businesses

20. Opticomm

Overview: Opticomm specializes in providing high-speed fibre-optic broadband services to residential and business customers in new developments and estates.

Website: Opticomm

Infrastructure: Opticomm operates its own fibre-optic network, delivering gigabit-speed broadband.

Services:

• Fibre-optic broadband internet
• VoIP and phone services
• Business internet solutions

Revenues: Opticomm's annual revenue is approximately AUD 40 million.

Examples of Companies Using Opticomm Services:

• Property developers
• New residential estates
• Businesses in new developments

Conclusion

The telecommunications landscape in Australia is diverse, with a wide range of providers offering various services to meet the needs of businesses and residential customers. From large national players like Telstra and Optus to innovative providers like Aussie Broadband and Pentanet, there are numerous options available to ensure reliable and high-speed connectivity.

Choosing the right telecom provider is crucial for ensuring seamless communication and connectivity, whether for business operations or personal use. By exploring the offerings of these top telecom companies in Australia, businesses and individuals can find the best solutions to support their needs and drive growth. Whether it's high-speed broadband, advanced mobile services, or comprehensive enterprise solutions, these providers offer the tools and services necessary to thrive in today's digital world.