Possibly related to the big '5' that appears on the savethedate.foo site after entering the latlong? If you take out the other text, we're left with "._,-.-".

Possibly related to the big '5' that appears on the savethedate.foo site after entering the latlong? If you take out the other text, we're left with "._,-.-". Removing the comma leaves us with 5 characters "._-.-" Morse code?