The 105m-high radio and television tower stands on top of the 670m Mt Cargill, and the site offers panoramic views of the city area.
The tower has many transmitter and microwave dish antennas on it, and Kordia Ltd is responsible for its operation and maintenance.
A three-line sign in the window of a four-wheel-drive vehicle parked at the site yesterday read: "Keep Out/Unstable Dangerous/Dish Antenna Hazard".
A Kordia spokeswoman said maintenance work had been planned at the site, including the removal of the larger of two ground-based satellite dishes, as it was not in use.
The latter dish had received some minor damage over the past few days because of the winds.
"Due to high winds - and for the health and safety of our staff working on site -we have had to delay removing this particular dish until weather conditions improve."
It was hoped to do this over the coming days once the weather calmed down.
The company's technicians had been on site to secure the dish and signage. Barriers were in place as a precaution until weather conditions improved and the dish could be removed, she said.
Kordia head of communications Esmee O'Brien said last year the tower was "intended to provide TV and radio signals to the greater Dunedin area which, given the hilly terrain, it does remarkably well".
"It was recognised at the time it was built as the tallest man-made structure in the Dunedin area and this may still be the case today," she said.
"Despite the various major storms experienced in the area, the site continues to operate without significant interruption or structural damage, just as the original designers intended," she said.
The complex was originally opened in 1970 for the NZBC, initially dealing with only one analogue television channel - DNTV2.
During the mid-1980s FM radio was introduced and many FM stations transmitted from the Mt Cargill site, too. In May 2007, the first digital TV transmissions began simulcasting.
The Digital Freeview HD transmissions with stereo sound continue, Ms O'Brien said.
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"Barriers were in place as a precaution until weather conditions improved and the dish could be removed, she said"
A four wheel drive and a piece of paper in the window does not constitute a proper barrier, anybody could park their vehicle and put a piece of paper in the window and call it a barrier.
Sounds like this 'company' needs to get a clue.
Where was the transmitter prior to 1970? There was a DNTV earlier, broadcasting British drama - an intelligent lot we were - Town & Around?, The Pruckly Thustle Club from Burns Hall (wisht!).