sentences:  Later, the broadcast power increased to 500 mW EIRP marginally strengthening the FM signal rather than increasing its range.This is due to the flat local geography and well-serviced transmission equipment - including a PLL PRO III 4W NRG transmitter and J-pole antenna.The Kohimarama transmission was from Rawhitiroa Road which overlooks Kohimarama and St Heliers.