Perhaps NAPa or some other automotive store would be a good starting 
place, although I believe "newer' cars use different fuses.  But, 
back in the day everyone used the round guys!
Pat, K9JAuAt 07:49 PM 5/20/2012, you wrote:
>Hi, again, everyone.
>
>This week-end, I put the Tentech Scout that I bought from the recent estate
>sale on the air.  Made a 20-meter SSB contact to a special event station in
>Long Island New York.  He gave me a 5 by 7, which isn't bad considering the
>maximum output power for the Scout is 50 watts.
>
>Anyway, in looking over the Scout, I notice that it requires a 12-amp round
>AGC fuse in the positive lead of the DC power cord.  I have 10 and 15-amp
>fuses here, but no 12-ampers, which I believe will be hard to come by.
>
>I certainly wouldn't want to put a 15-amp fuse in there, but could go with a
>10-amper, if needed at least in a pinch.
>
>If anyone knows of a good source of 12-amp AGC round fuses, please let me
>know.
>
>73 from Tom Behler: KB8TYJ