This device will iron out volume changes in those fading shortwave signals.

Brookline Technologies VS301E Volume Stabilizer featuring adjustable
stabilization from 10:1 to 1:1, bypass switch, 3 colored LEDs. Complete
with wall wart transformer and instruction manual. Unit is connected in
a "loop through" arrangement with RCA jacks on input and output.
$50 plus shipping via USPS Priority Mail. I'm located in Plano, Texas.

Pictures and a product review available upon request.

If interested or questions email