Los Angeles-based ActiveReplay, the startup founded by Anatole and David Lokshin developing devices which can track all kinds of alpine sports, has raised $2.1M in a seed funding round, according to a regulatory filing by the firm Monday. Details on the funding have not yet been announced. According to the filing, part of the funding came from Allegro Venture Partners, and also included a number of other investors. Active Replay's CEO is Dr. Anatole Lokshin, a pioneer in developing GPS devices, who was the CTO of Magellan Navigation. Active Replay is working on small gadgets which attach to action sports equipment to help track everything from snowboarding and skiing to skating.