TS440S.10 TS 440 BCB IMPROVEMENT. ATTENUATER REMOVAL 1> REMOVE TOP AND BOTTOM COVERS. 2> THE BOTTOM OF THE RADIO IS WHERE THE R.F.UNIT IS LOCATED. IN THE CENTER OF THE PC BOARD IS A SHIELD COVERING THE BAND PASS FILTERS. REMOVE 3 SCREWS FROM THE SHIELD AND FOLD IT OUT OF THE WAY. (THERE IS A GROUND WIRE ATTACHED TO THE SHIELD). 3> AT THE END OF THE FILTER SECTION,CLOSEST TO THE CENTRE OF THE PC BOARD IS THE BROADCAST ATTENUATOR. IT CONSISTS OF R-12,R-13,R-14, USING SMALL CUTTERS, CUT THE EXPOSED LEAD ON R-13,R-14. TAKE A LEAD FROM A SMALL RESISTOR,OR A PIECE OF SOLID HOOKUP WIRE AND JUMPER R-12. 4> REPLACE THE FILTER COVER AND THE RADIO COVERS. THIS COMPLETES THE MODIFICATION. NO ADJUSTMENTS ARE NECESSARY. (THANKS,FRANK, K8UBV.IRI LABS). ALSO THANKS TO COOKIE, VE3DTB FOR SENDING THIS MOD ONTO ME.... JUST FINISHED IT AND IT APPEARS TO WORK AS ADVERTISED - NOW WE'LL SEE IF ANY HF INTERFERENCE SHOWS UP DOWN THE ROAD. 73, PAUL - VE3ERK