Prepare DCF77 receiver module

1a. Drill 6mm hole in Deltron 479-0140 enclosure

1b. Solder DCF77 receiver to a 3.5mm jack, epoxy glue components to enclosure.

1c. Screw back the top cover: DCF77 receiver box is ready

 Prepare clock

2a. Drill 6mm hole in Deltron 479-0160 enclosure

2b. Super glue 3xAA battery golder into the enclosure

2c. solder 3.5mm jack to wires and connector, heatsrink it

2d. prepare PCB

2e. populate PCB

2f. Super glue PmodGPS module into the enclosure

(note: as turned out super glue is not the best idea, since when the glue hardens it emits some kind of fume which precipitate on the inner side of the enclosure leaving a white layer so it not so nice)

2g. connect wires

2h. Screw PCB into final position. Clock is ready!

3a. Connect antenna and clock with a 1.5m 3.5mm jack cable! Enjoy the exact time!