[Heathkit] SB-310 & SB-313 documentation

[manualman at juno.com]

SBA = SB"Accessory"
SBA-310-1 SSB Filter
SBA-310-2 Deluxe SSB Filter
SBA-310-3 Band Modification Kit

Pete, wa2cwa


On Wed, 23 Nov 2016 14:39:30 -0600 "Gerry Steffens"
<gsteffens at bevcomm.net> writes:
> 
> I also have the SB-310 modification kit installed in one radio with
> Instructions (SBA-310-3, dated 10-10-69 and manual part number 
> 595-1048).
> This kit installation changed the highest frequency band from the CB 
> band to
> the 15 meter band.
> 
> Were there two earlier Modification Kits, suffixes 1 & 2?  If so 
> what were
> they?
>