VHA Figure C8 a graph of the number of unique sites with VHA registrations across the 850 MHz, 900 MHz, 1800 MHz and 2.1 GHz bands in the inner-Sydney area (refer to Figure C1). There has been growth in the number of sites used by VHA, with most sites using more than one frequency band. The 2.1 GHz band uses the greatest number of sites, followed by the 900 MHz band, then the 850 MHz band and the 1800 MHz band. Figure C8: Number of sites with VHA registrations in the 850 MHz, 900 MHz, 1800 MHz and 2.1 GHz bands in Sydney Overall Figure C9 a graph of the number of unique sites across the 850 MHz, 900 MHz, 1800 MHz and 2.1 GHz bands in the inner-Sydney area (refer to Figure C1) with Optus, Telstra and/or VHA registrations. The overall number of sites has remained relatively steady, with only a five per cent growth from November 2007 to November 2014. This suggests that expansion of the use of individual frequency bands and individual carriers has been through a combination of: the use of existing sites to support services in multiple bands the use of infrastructure-sharing between operators rather than construction of more sites. Comparing carriers, the number of used is relatively similar, with no carrier using more than 57 per cent of the overall number of sites used. This suggests there is potential for growth in the number of sites used through infrastructure-sharing between carriers, as well as across frequency bands. However, the potential growth is difficult to quantify without analysing the relative locations of each of the sites (for example, some sites may appear with different site IDs in the ACMA database but only be a matter of metres apart). Figure C9: Number of sites across the 850 MHz, 900 MHz, 1800 MHz and 2.1 GHz bands with Optus, Telstra and/or VHA registrations in Sydney
VHA Figure C8 a graph of the number of unique sites with VHA registrations across the 850 MHz, 900 MHz, 1800 MHz and 2.1 GHz bands in the inner-Sydney area (refer to Figure C1). There has been growth in the number of sites used by VHA, with most sites using more than one frequency band. The 2.1 GHz band uses the greatest number of sites, followed by the 900 MHz band, then the 850 MHz band and the 1800 MHz band. Figure C8: Number of sites with VHA registrations in the 850 MHz, 900 MHz, 1800 MHz and 2.1 GHz bands in Sydney Overall Figure C9 a graph of the number of unique sites across the 850 MHz, 900 MHz, 1800 MHz and 2.1 GHz bands in the inner-Sydney area (refer to Figure C1) with Optus, Telstra and/or VHA registrations. The overall number of sites has remained relatively steady, with only a five per cent growth from November 2007 to November 2014. This suggests that expansion of the use of individual frequency bands and individual carriers has been through a combination of: the use of existing sites to support services in multiple bands the use of infrastructure-sharing between operators rather than construction of more sites. Comparing carriers, the number of used is relatively similar, with no carrier using more than 57 per cent of the overall number of sites used. This suggests there is potential for growth in the number of sites used through infrastructure-sharing between carriers, as well as across frequency bands. However, the potential growth is difficult to quantify without analysing the relative locations of each of the sites (for example, some sites may appear with different site IDs in the ACMA database but only be a matter of metres apart). Figure C9: Number of sites across the 850 MHz, 900 MHz, 1800 MHz and 2.1 GHz bands with Optus, Telstra and/or VHA registrations in Sydney
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