[Hallicrafters] SX-100 and the SX-101CMKIIIA

[Edward B Richards]

I don't believe the SX-104 has any kind of a crystal. The user can
install his own crystal if he wants fixed frequency operation rather than
tuneable. The radio does not come with a crystal.

73, Ed Richards K6UUZ


.  For instance, the SX-111 
> has a
> crystal calibrator as does the SX-104, the SX-99, the SX-100.