If you look below this post, or any other that I have made you will see two links.
One is for a Google search of this site.https://cse.google.com/cse/home?cx=partner-pub-6291336405621919:2662881632
The other is for Kimmy JS19's database. He does one which he configures for your local area..http://ukscanningdirectory.co.uk/
The google search of this site did not bring much up, but depending where you are in Lincoln, you may get Scampton.
241.4250 UK EGXP SCAMPTON RAF PAR
241.8250 UK EGXP SCAMPTON RAF RADAR
243.4500 UK EGXP SCAMPTON RAF AIR/AIR REDS
278.5000 UK EGXP SCAMPTON RAF GROUND
281.3250 UK EGXP SCAMPTON RAF TOWER
308.6250 UK EGXP SCAMPTON RAF APPROACH
377.0750 UK EGXP SCAMPTON RAF DIRECTOR
And yyou will get the local radio amateur repeaters & one of those repeaters, covers North Norfolk & the A1 from Peterborough in Cambridgeshire & up almost as far as Doncaster/Sheffield on a good day..
I have to go out, but I will look some more up for you..