Missing keys Mystery Cache

This cache is my third in what I intend to make a series of techie caches.

The others being
Electronic Mail
Hello, my name is Ssid

The cache is not at the given coordinates.

The cache can be found at S 25° 4A.BCD E 028° 1E.FGH

Where ABCD EFGH can be represented by:

♥♣○♥ ♣•0♠

(0=0)

You can validate your puzzle solution with certitude.

Congratulations:

Brainiac (FTF): pannie&medusae

I dropped my toothbrush (2TF): rodnjoan

Damn FTF chasers (3TF): worsed