On Sun, Sep 4, 2016 at 9:48 AM, Gavin Jacobs
wrote:
> I am building an application to send an APRS message. I have GRC 3.7.9.2
> running on Windows 10, with a Hackrf as the radio. I have a kluge to
> transform the bits into an audio signal at 2200 Hz for a 0, and 1200
I am building an application to send an APRS message. I have GRC 3.7.9.2
running on Windows 10, with a Hackrf as the radio. I have a kluge to transform
the bits into an audio signal at 2200 Hz for a 0, and 1200 Hz for a 1. See the
attached. But, on the Signal Source block, on the left hand