Complex sentence: In 1994, when Andrew Lofthouse moved to Brisbane, Spencer took over 4RK's 8.30am-11am shift, the first 15 minutes of which was a current affairs round-up networked across regional Queensland.
Split into simpler sentences: In 1994, when Andrew Lofthouse moved to Brisbane, Spencer took over 4RK's 8.30am-11am shift. The first 15 minutes was a current affairs round-up, networked across regional Queensland.