Simple WWV converter for car radio 
This simple frequency converter mixes a 15MHz WWV / WVH signal with a 16MHz local oscillator signal and downconverts to 1MHz. It can be listened to with a short AM radio.
Disposable Cleanroom Swab,Lint Free Cleanroom Swab,Cleanroom Polyester Head Swab ,Polyester Tip Cleanroom Swab
Miraclean Technology Co., Ltd. , https://www.mrccleanroom.com