FOR SALE: K3S, mint and has both receivers installed. K3S was sent back to the factory for checkup and updates including LPA upgrade to B and KPA3A upgrade to C4. K3S SN 10547 "meets or exceeds all factory specifications". KPA3A 100W Main receiver has: 13.0kz FM/AM filter 2.7k Filter 1.8k Filter 500hz CW filter KDVR3 Digital Voice Recorder 2nd receiver! KRX3A 2nd RX with: 2.7k Filter 2.1k Filter Price $3250 plus shipping. Over $1000 less than new prices. Cleared check or MO. Email for other payment options.