Complex sentence: Its FM transmitter, on 95.0 MHz, was at Fort Widley with only 0.2 kW but the signal reached Southampton and all over the Isle of Wight quite well.
Split into simpler sentences: Its FM transmitter, on 95.0 MHz, was at Fort Widley. Despite a power of only 0.2 kW, the signal reached Southampton and across the Isle of Wight quite well.