A quick amber flash.
Shown as a round mark on tape.
COASTAL FLASH DECODERWatch the lamp.
Watch the lamp.
Read the coast.
Short and long flashes encode a harbour letter. Read the tape, then select the matching signal from the codebook.
Light the signal deckDOVER SIGNAL STATION
Channel Flash Tape
Watch each pulse group and decode four transmissions using the station legend.
A held beam.
Shown as a bar on tape.
Only your result.
No stake, cash prize or material reward.