Radio Shack SYSTEM 440 User Manual

The WB2 “REMote” LinkWith this system going for you, you need never be out of reach of your radio station. By James Millner, WB2REM7 Winnipeg LaLawren

circuit board(s). I used a Radio Shack 276-190 project board that’s large enough to hold the circuit’s 19 ICs and 5 relays.Unfortunately, this 22/44-p

Now, connect the decoder, latch, DV and COR sections to U14. When the link on codes are activated, thetransceive mode is accessed and the COR is refle

Once all connections are made, attach the HF receiver audio line to the VHF MIKE audio. Connect the UHF/VHFreceiver audio to the HF transmit audio lin

(1) PC boards had been anticipated for this project, but they are not available. See Feedback in June QST.(2) See P. Bunn, “A CW ‘Stamp’ Identifier,”

WB2REM’s remote control link. (photo by Glenn Belkin, KD2JA)WB2REM’s home station, the man and his H-T. At this range, there’s no need for remote cont

KD2JA)Figure 1 A block diagram of WB2REM’s remote link. January 1995 QST Volume 79, Number 1Page 7 - Copyright © 1996 American Radio Relay League, I

Figure 2 Schematic of the WB2REM remote link. All resistors are 1/4-W, 5%-tolerance carbon-composition or filmresistors. Capacitors identified with a

817-483-4422, fax 817-483-0931)Q1-Q192N2222 (Radio Shack 276-2009 or Mouser 333-KTN2222)R141-MΩ, PC-board vertical-mount, single-turn potentiometer