[Hammarlund] HQ-180 SSB/CW/AM switch

Kim Herron kherron at voyager.net
Sat May 28 12:58:35 EDT 2005


Hi Cal,
>Can anyone tell me if their SSB/CW/AM switch goes from
>SSB to CW? Seems mine is selectable only between SSB
>and AM. Is this right? Let me know and thanks (p.s. it
>does make sense if there are no filters availabe for
>the CW mode of the 180). Thanks. Cal, N6KYR/8

         That is one of the differences between the 180/170 and the180A/170A.
The later radios (A version) have a fixed SSB position on that switch.  So 
it is a three position switch.
The 180/170 radios had no fixed BFO injection for  SSB so the CW and SSB 
positions were combined and
you tuned the BFO for the proper freq when listening to SSB.  That is also 
a very quick way to ID an A version
radio from its earlier predecessor when all that is available is a picture 
and the person selling or asking questions
doesn't know how to ID the thing.

Thanks!!

Kim Herron  W8ZV
1-616-677-3706
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