View source for Hickok AN/USM-81

{{Oscilloscope Sidebar 
|manufacturer=Hickok
|series=500-series scopes
|model=AN/USM-81 
|image=Hickok an-usm-81 1.jpg 
|caption=Hickok AN/USM-81 
|introduced=(?) 
|discontinued=(?) 
|summary=Tube oscilloscope 
|designers=
|manuals=
* Technical manual TM11-6625-219-12, Operator's and organizational maintenance manual, Oscilloscope AN/USM-81.
* [[Category:Manual needed]] ''please add''
}}
The '''Hickok AN/USM-81''' is a an unauthorized clone of a [[545|Tektronix 545A]] made for a defense contract by [[Hickok]].  It takes [[letter-series and 1-series plug-ins]].  

See also [[Jetronic AN/USM-81]].

{{MissingSpecs}}

==Pictures==
<gallery>
Hickok an-usm-81 1.jpg
Hickok an-usm-81 2.jpg
</gallery>

[[Category:Clones of Tektronix instruments]]
[[Category:Monolithic tube scopes]]
[[Category:Hickok products]]