How do multiple receiver channels work?
A. The FPGA used by Hermes is currently the largest ( in terms of number of available gates) leaded device presently available. Since the FPGA code for the USB, transmitter, one receiver etc occupies only 30% of the device there is room for some seven additional receivers. Since each of these receivers share the one ADC then they all share the same antenna. Hence, to monitor multiple bands simualtaneously a multi-band antenna (e.g. trap vertical) or some form of diplexer will be required. Suitable PC software John Melton can be used to configure, and display, multiple receivers.
