16-Jul-19 The files in this archive are a binary (Data I/O #16) format dump of the EPROMs from a Racal RA6790/GM HF Receiver, Mil number R-2174/URR. The EPROMs in this particular dump include the VLF tuning option. You will need three 2716-class EPROMs, 100ns or faster. Filenames and checksum values as follows. ra6790_vlf_u5.bin 0x55F5 ra6790_vlf_u6.bin 0x52CB ra6790_vlf_u14.bin 0x35CC Dumps and text by Bruce Lane, KC7GR. You're welcome. ;-)