Extremely old Australian Spectrum Analyser

[comistiontAtiv]

I was hoping someone might have some stories to share on the pictured Spectrum Analyser. Im guessing it is from the 1950s, and used for testing RCM compliance in Melbourne Australia.
Would be nice to get the user manual, bring it back to life.

[comistiontAtiv]

Photos


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[Bud]

Good on you Sir trying to save this beauty 

[PA0PBZ]

It says "Display Unit" so it could be you are missing (part of) the RF part, any big connectors on the back?

[comistiontAtiv]

Just some voltage selectors...


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[PA0PBZ]

Just some voltage selectors...

I guess you have the complete package then, which is supported by the RF In connector on the front. Still a bit weird that they labelled it as Display Unit.

[vk6zgo]

I have a feeling that it isn't a Spec An, but more like a sweeper with internal detector & display-----somewhat along the lines of a Polyskop.
Or, possibly, a Group Delay tester for microwave links?

It definitely would have been from my time working at the PMG's Dept, but, although the whole look of the thing is familiar, I can't quite place it.
Most of my time was spent in Radio & TV Broadcasting, rather than Comms, & the time I did spend in that field was mostly HF.

[comistiontAtiv]

Thanks all for your replies


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