Around 2000 PRAWNS was slightly different for APC and TMA as below:
For APC
P – Pressure (High – low – min stack)
R – Runways in use
A – Airports (ILS – gaps – freqs)
W – Weather (Vis – avoidance – winds)
N – Non-standard/priority info (Non-standard flights – EATs and holding – navaids – danger areas)
S – Strips to display
For TMA
P – Pressure (High – low – min stack)
R – Runways in use
A – Adjacent sectors (Bandboxed – split – freqs)
W – Weather (Vis – avoidance – winds)
N – Non-standard/priority info (Non-standard flights – EATs and holding – navaids – danger areas)
S – Strips to display