Height
- Skytower is 328 metres (1,076 ft) tall, as measured from ground level to the top of the mast, making it the tallest free-standing structure in the Southern Hemisphere.
- The radio mast of the Titahi Bay Transmitter is New Zealand's second tallest structure. The tower is 212 metres (696 ft) tall, and owned by Radio New Zealand. The antenna is a 'guyed support' type, broadcasting at the low end of the medium wave AM radio broadcast band, 567 kHz, with 50 kilowatts of power. The AM radio transmitting antenna is a high structure, due to the height being a function of wavelength (station frequency).
- 120-metre (390 ft) television masts were built in many strategic locations (such as Waiatarua) in the late 1950s / early 1960s. They were self-supporting steel structures, manned with then NZBC New Zealand Broadcasting Corporation staff, and occasionally carrying NZPO New Zealand Post Office vhf and marine radio services. The primary purpose was 100 kW (ERP) vhf television.
- Varying height, 10–30 metres (33–98 ft), a backbone of microwave steel self-supporting structures for microwave links were also built by the New Zealand Post Office (now owned by Telecom New Zealand) from the mid-1950s on. A network of 4 GHz STC vacuum tube based stations were built between Hamilton at the northern end and Palmerston North at the southern end. The path was via New Plymouth. Several networks of 6 GHz Lenkurt solid state based stations were built between Whangarei and Auckland via Waiatarua and later a spur to Warkworth satellite station. Hamilton to Palmerston North via Rotorua, Taupo, Napier, with a spur to Tauranga from Kaimai station. A southern network of Wellington to Dunedin via Cook Strait was also built.
- 30-metre (98 ft) free standing wooden or steel masts are used for the other vhf and uhf commercial and infrastructure radio services.
Read more about this topic: New Zealand Masts
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