Cubic R3030A Dual HF receiver with factory manual set: $2000 Watkins Johnson WJ8616 VHF/UHF receiver with built in panadaptor and two volume factory manual set $1500 Watkins Johnson FDM Demodulator WJ9518AE-9. This is the demodulator you need to monitor the WIDEBAND FM system used by VIP flights etc. If you are interested in this stuff you already know what it is. $1200