[Elecraft] Elecraft technology

[Bill Coleman]

On 12/31/03 8:56 AM, N2EY@aol.com at N2EY@aol.com wrote:

>While we're on the subject, the old urban legend that hams use LSB on 75 and 
>USB on 20 because of early rigs with 5 MHz VFO and 9 MHz filter is a myth. 
>It only works with a 9 MHz VFO and 5 MHz filter

IF - 9.0 MHz
LMO - 5.0 .. 5.5 MHz

20m: 14.0 MHz - 5.0 MHz = 9.0 MHz
     14.5 MHz - 5.5 MHz = 9.0 MHz

80m:  3.5 MHz + 5.5 MHz = 9.0 MHz
      4.0 MHz + 5.0 MHz = 9.0 MHz

Seems to work great. The only side effect is that 80m tunes backwards 
from 20m. Seems like there was a Swan rig that acted this way.



Bill Coleman, AA4LR, PP-ASEL        Mail: aa4lr@arrl.net
Quote: "Not within a thousand years will man ever fly!"
            -- Wilbur Wright, 1901