Speaking to Sky Blue Player, Mr Ranson, who is expecting to be inundated with agents offering managers, said: "I will not be plucking a manager out of the hat in the next 48 hours.
"I'm sure we will be inundated with applicants for the job because it is a big opportunity. Coventry City is a very big club.
"I took no pleasure whatsoever in giving Chris the bad news this morning. It's well documented we have had a very good working relationship so it's been a tough day."
Silly season has kicked off in earnest with names such as that of former manager Gary McAllister being touted around by some, although there is no-one in the frame at the moment for the job.
Silly season has kicked off in earnest with names such as that of former manager Gary McAllister being touted around by some, although there is no-one in the frame at the moment for the job.