Complex sentence: This meant Echo 96 was only running on the 96.9 Stafford transmitter however, by the end of 1991, Echo 96 had become Signal Stafford which later morphed into an opt out service of Signal 1.
Split into simpler sentences: This meant Echo 96 was only running on the 96.9 Stafford transmitter. However, by the end of 1991, Echo 96 had become Signal Stafford which later morphed into an opt out service of Signal 1.