| Dubbo Transmitter (Tx) Specifications | |
| Location: | Eulomogo, 7km east of Dubbo NSW |
| Power: | 2000 Watts |
| Frequency: | 1251 KiloHertz |
| Wavelength: | 240 metres |
| Antenna: | Single monopole, omni-directional |
| Mast Height: | 91 metres (physical height) |
| Main Tx: | Broadcast Electronics (BE) with 5KW maximum power output |
| Standby Tx: | Harris/Gates-2 with 2.5KW maximum power output |
| Operation: | 24 hours continuous |
| Program Backup: | Remote transmitter back-up tape activated after 20 second studio failure |
| Cobar Translator (Tx) Specifications | |
| Location: | 2km south-east of Cobar NSW |
| Power: | 100 Watts |
| Frequency: | 972 KiloHertz |
| Wavelength: | 309 metres |
| Antenna: | Single monopole, omni-directional |
| Mast Height: | 45 metres |
| Main Tx Type: | Broadcast Electronics (BE) with 500 Watts maximum power output |
| Standby TxType: | RME with 250 Watts maximum power output |
| Operation: | 24 hours continuous, relayed from Dubbo |
| Program Backup: | None. |
| Distance from Studio: | 274 km |
| Program Carrier: | 10KHz bandwidth via microwave link. |
Through our Eulomogo Transmitter (1251AM) and Cobar Translator (972AM), 2DU reaches an audience of up to 65,000 in the area shown in our broadcast 'footprint' (right). Dubbo city is our largest population centre, with our signal also serving many surrounding towns, including Narromine, Gilgandra, Wellington, Coonamble, Cobar, Peak Hill, Coonabarabran, Dunedoo, Warren, Trangie, Mendooran, Nyngan, Yeoval and Gulargambone.
At the studio various studio signals from microphones, computers, turntables, tape recorders, cartridge machines, CD players, the satellite receiver and landlines from outside broadcasts and network programs, are mixed together using a mixing console. The various knobs and switches control this mixing and the final result is known as the program.
The program is then passed through a delay unit which allows the announcer to edit offensive callers during talkback programmes. Following the delay unit, we control the final volume of the program using a compressor and a limiter.
The program is then sent to the transmitter and transmitted from an antenna attached to the mast.
The transmitted signal is picked-up by radio receivers which then reproduce the signal into sound.
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2DU Broadcast
Footprint
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Official
Dubbo Radio Licence Area
The Pathway From The Studio To Your Radio
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