[Premium-Rx] WJ DRO units?

[Eugene Hertz]

Hi all. Been reading about the DRO units from WJ. Does anyone know if a DRO-333A could be used with any reciever? OR does it use special control signals from WJ equipment only? I have a radio with 21.4 and 60mhz IF and was wondering if this could be used for digital read out from the LO output of the radio?
Second question. If these WJ units are usable with other gear, anyone ever see a nixie version of these units? There were several. I would be interested in locating one that can handle 21.4 and 60, optionally 455khz and 3.955mhz if possible
Anyone have any experience with these DRO units?
Thanks

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