Whilst searching for digital decoders I study a assessment on the software package Sorcerer The application can be utilised with any HF receiver and permit you to decode a multitude of digital modes. A committed HRPT receiver, a regular APT receiver will NOT work, the HRPT receiver has a wider bandwidth. Then you need the decoder, amplifier, Downconverter, Dish and feed, Rotator and controller. It ... the wide setting as effective audio filters in the computer software will filter the noise. To select the preferred radio frequency in kHz, enter the desired digits, press BAND+, and pick SSB.