> The company has designed its signal to be backwards compatible with many existing GPS chipsets, though some are “forwards compatible,” Manning said. But in ge

> The company has designed its signal to be backwards compatible with many existing GPS chipsets, though some are “forwards compatible,” Manning said. But in general, chipsets will only need a firmware update to access the encrypted Pulsar signal. So, they're planning to use the same frequency bands as GPS? And the DoD is okay with this?