Plank left Signal to set up Trent Radio broadcasting as Focal Radio which was bought out by local businessman Mo Chaudry from administration.
2.
Usually if there is any " left signal " it's considered as a free left turn when the signal is blinking orange ( amber ) or bright green.
3.
All sound was monophonic until introduction of the stereo LP in 1958, when sister stations " simulcast " the left signal on AM, the right on FM, requiring audiofans to set up two receivers.
4.
If there isn't any special left signal, it is generally considered as no free left . Free lefts are usually separated from the main road by a divider, they are also usually allowed if the opposite traffic cannot U-Turn into the lane that your trying to merge.