Over 50,000 downloads so far of the Big Ben GPS Time Server, designed in England, to be reliable and low cost, for use with Microsoft Windows XP,7 or 10.Civil,Military,Land, Air & Sea. The Big Ben Time Server is used worldwide, by individuals and companies. We recently upgraded the Big Ben Time Server at Humbly Grove Energy Limited, in Hampshire, England.This has been in service since 2015 on a Windows XP laptop. Now on Windows 10. Humbly Grove Energy Limited are associated with EP UK Investments (EPUKI) a wholly owned subsidiary of Energeticky (EPH), who hold investments in a number of generation assets in the UK, such as Humber Bank and Lynemouth Power Station.

NPL Anthorn MSF Time Signal Decoder 30 Day Free Trial- £20 to register using Paypal button, then email info@bigbensoftware.com for username and password

Download NPL MSF Time Signal Decoder Clock

Long-wave radio signals carrying comprehensive information on the time and date are broadcast across Europe and North America. These signals can be received within a radius of about 1,500km from the transmitter. Galleon Systems offer a range of products to receive and decode these atomic clock time signals for use in hobby or OEM projects.

The NPL MSF Time Signal Decoder Clock is PC time synchronization software that synchronizes Windows computers to the time received from a DIY built MSF kit or Galleon MSF receiver.

It’s getting more difficult to find a PC with a native RS-232 serial communication port, most PC's or laptops nowadaysinterface using a USB.

The NPL MSF Time Signal Decoder Clock will use transmitted date and time data received from the MSF receiver.


  • Supports Windows 7, 8, 8.1 and Windows 10