Pluto_esm: an open-source FPGA-based ESM receiver Platform: ADALM-PLUTO - AD9363 transceiver + Zynq 7010 FPGA SW: pluto_esm_app - control, display, recording HW: pluto_esm_v1.0 - I/Q processing, channelization, PDW encoding, measurements HDL: main HDL: top level Complete FW