[Milsurplus] Sunair URC-92 and modified H-33 handset

WA5CAB at cs.com WA5CAB at cs.com
Mon Aug 24 01:16:17 EDT 2009


I don't know anything about the Sunair but maybe the handset was a modified 
H-189/GR.  Or does the manual specifically say it was made from an H-33?  
Apparently the H-189 wasn't made too long before it was replaced by the 
H-250.  So they don't turn up much.

In a message dated 8/23/2009 9:35:59 PM Central Daylight Time, 
jhhaynes at earthlink.net writes: 
> The military manual on the URC-92, which is one configuration of the
> Sunair GSB-900DX, shows it using a modified H-33 handset.  One obvious
> modification is the substitution of a 5-pin MS connector for the U/77
> connector.  Now the unmodified H-33 uses a carbon mike, but I don't see
> in the schematic any provision for supplying DC to the mike connector
> in the UGC-92.  The Sunair GSB-900DX normally uses a dynamic hand mike.
> So does anyone know if the modified H-33 handset includes changing
> to a dynamic mike element, or is there some way of supplying DC for the
> carbon mike that is not apparent in the schematic?

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480


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