The Devil's in the Detail Mystery Cache

The location given isn't where to find the cache, but corresponds to where the end of Devil's Dyke once ran, when it went all the way to Reach Lode. This end of the dyke was demolished somewhere around the 12th century, to make way for Reach village green.

The cache is located at coordinates N52 1a.bcd E0 1e.fgh

The clues range from fun to fiendish, good luck!

a            3, 7, 8, 40 or 50

b            AMSND VDTS BWQTNJJT DRCOI CW B VCYXGFP TVEER PKBPBR KFHS

c              TTCATCGTAGAAGCCAACGACACAGAAAATCTTGAGAGCAGTGAGATTGGGCACACC

d            A prime example of how to send a message into space: 11101011101010000100010100010100001000101000111011111101010101010010100010101010100101110101010000001000001011100000010

e            Some WINE, several PINTS, a third of a BLOODY MARY or even a fifth of a MAGNUM OF CHAMPAGNE during a night on the tiles?

f             aio fkiz unu d tkz eemo ought e ai hje oioa b eui

g            28, 38, 69, 73, 81, 50, 28

h            Blink + (UB/Jurassic) − (Shed × East) − (Haircut/SL) − (Level/Oui) − (JJ/D)