1965 October QST p. 51 The Alltronics-Howard Model L RTTY 2 pages Converter (Recent Equipment) November QST p. 44 Operating the RTTY Station 8 pages December QST p. 44 Fun with Teletype 2 pages QST p. 46 "Starter," RTTY Converter (H & K) 1 page (Refers to March 1965) 1966 April QST p. 40 RTTY: Diversity is Worth the Effort 5 pages May QST p. 35 Checking RTTY Shifts 4 pages (Mainline TT/O Semi-Counter) June QST p. 20 Offset Tuning and F.S.K. for the 4 pages Drake TR-3 July QST p. 67 RTTY Ribbon Rejuvenation (H & K) 1 page QST p. 41 FEC Model 1200 F.S.K. Demodulator 2 pages (Recent Equipment) August QST p. 16 High-Performance RTTY Filters - Part I 4 pages QST p. 71 Teletype-Printer Noise Reduction (H & K) 1 page September High-Performance RTTY Filters - p. 34 Part II 4 pages (Hoff) November Active Filter for RTTY p. 46 (Rhodes) (TC) 1 page December F.S.K. for the HX-50 p. 48 (Wilson) (H & K) 1 page 1967 January "RTTY Bulletin" p. 75 (Hoover) 1 page March Frequency Shifting W2YM's VFO p. 48 for RTTY 1 page (Olberg) (TC) May More Reed Switches p. 46 (Olberg) (TC) (Refers to March 1 page 1967) July Circuit Diagrams by RTTY p. 50 (Carlsen) (TC) 1 page August An RTTY Bandpass Filter for p. 21 1275/2125 c.p.s. 3 pages (Wetherhold) RTTY Clarification on Signing p. 64 (Happenings) 1 page November Mark-Hold and Motor-Start for the p. 18 W2JAV RTTY Demodulator 2 pages (Dedel) 1968 January Easier I.D. Adopted p. 73 (Happenings) (Refers to August 2 pages 1967) February Attache-Case RTTY (Integrated- p. 29 Circuit Transmitter-Distributor) 13 pages (Krupp) (Feedback 4/68 p. 36) March Canadian RTTY Ruling p. 70 (Happenings) April An RTTY Bandpass Filter for p. 19 2125/2975 c.p.s. 3 pages (Wetherhold) May An RTTY Terminal Unit of Wide p. 22 Dynamic Range 6 pages (Buttschardt & Olson) August Digital Counter with Teletype p. 22 Print-Out 9 pages (Simmonds) September Inductance and Q of Modified Surplus p. 36 Toroidal Inductors 4 pages (Wetherhold) October Perfect Teletype at Your Fingertips p. 32 (Horowitz) 4 pages December What is RTTY? p. 11 (Hall) 5 pages RTTY Autostart p. 48 (Buttschardt) (TC) 1 page 1969 February A.F.S.K. for RTTY p. 11 (Hoff) 6 pages March Integrated Circuits in the Keyboard p. 20 Code Machine 4 pages (Wiederhold) (Refers to October 1968) April A Method of Generating RTTY Tones p. 49 (Gibbs) (TC) 1 page May The Mainline TT/L-2 RTTY Demodulator p. 28 (Part I - Construction and Adjust- 7 pages ment) (Petersen) June The Mainline TT/L-2 RTTY Demodulator p. 24 (Part II - Circuit Description & FSK 5 pages Keyer) (Petersen) 1275/2125-Hz Filters for the TT/L-2 p. 29 F.S.K. Demodulator 3 pages (Hall) September A Simple Two-Transistor A.F.S.K. p. 36 Generator 4 pages (Antanaitis) November Perfect Morse Code from Teletype p. 40 Tape - Inexpensively 3 pages (Hall) 1970 March Light-Sensitive Cell for AGC (refers p. 41 to May 1968) 1 page (Maley) (TC) March Shifts for 10-Meter RTTY (Regulations p. 63 change for frequencies where F1 1 page emission used) April The Mainline ST-3 RTTY Demodulator p. 11 (Hoff) 10 pages May Communications Associates Inc. p. 46 CF-8 FSK Converter/Keyer 4 pages (Recent Equipment) September Higher-Speed RTTY Operation p. 51 (Randolph) (TC) 1 page October RSK Circuit for VFO/Frequency- p. 45 Multiplier Transmitters 1 page (Cram) (TC) November KOX - Keyboard-Operated Transmission p. 37 on RTTY 3 pages (Hall) 1971 February New Speeds Proposed for RTTY p. 75 (Happenings) 1 page March Faster RTTY? p. 86 (Corresp. from Members) 2 pages April The Digital Message Generator with p. 14 RTTY 3 pages (Hall) Digital Filters (with RTTY) p. 16 (Gibbs) May The RTL-1 RTTY Converter p. 28 (White) 5 pages ARRL Files on RTTY Docket p. 85 (Happenings) (Refers to February 2 pages 1967) June First Steps in RTTY p. 17 (Schecter) 2 pages August The RTTY Crystal Ball p. 40 (Merritt) (TC) 2 pages September Teleprinter Selector Magnets p. 49 (Craig) (TC) 2 pages October More on the RTTY Terminal Unit of p. 54 Wide Dynamic Range 1 page (Buttschardt) (TC) (Refers to Dec. 1968 TC) (Feedback Dec. 71, p. 47) 1972 January The Modern Teleprinter Local Loop p. 40 (Merritt) (Feedback 3/72, p. 57) 3 pages February Recording RTTY on Magnetic Tape p. 49 (H & K) 1 page April An Audio Synthesizer - A Device to p. 35 Generate RTTY Tones with Crystal- 5 pages Controlled Accuracy (Drake) (See also 11/72) November The FVGT Box - Employing the Fast p. 21 VanGeen Transform in an Audio 7 pages "Spectrum Analyzer" (Olson and VanGeen) Notes on the Audio Synthesizer for p. 46 RTTY 1 page (McFadden) (TC) (Refers to 4/72) 1973 January The F2TU for VHF FM RTTY p. 25 (Legler) 8 pages Teletype Goodies p. 41 (Johnston) (TC) 2 pages April The HAL Communications RVD-1002 p. 48 RTTY Video Display Unit and the 4 pages RKB-1 TTY Keyboard (Recent Equipment) The HAL ST-6 RTTY Demodulator p. 52 (Recent Equipment) 2 pages November A TTL Message Generator for RTTY p. 23 & CW 11 pages (Bell/Schmidt) 1974 December The RYer - A Simple RY Code p. 20 Generator for TTY 5 pages (Sekine) 1975 October Adjustment of Polar Relays for RTTY p. 48 (H&K) (Hall) 2 pages 1976 December Adapting the KWM-2 for Radioteletype p. 28 Operation 2 pages (Harris) 1977 February RTTY Distribution and Control Box p. 33 (Mumby) 2 pages May Wide-Range AYSK Generator p. 48 (H&K) (Whittaker) 1 page 1978 January A High-Performance RTTY Band-Pass p. 33 Filter 1 page (TC) (Klappenberger) April Info-Tech M-150 and M-75 RTTY Units p. 37 (PR) 2 pages April His Computer Does the Operating p. 45 (Harris) 3 pages June Green-Keys/RPT = High Speed Traffic p. 71 Handling 1 page (Public Service) (Horzepa) November Info-Tech Model 30C CW to Video p. 36 Converter 2 pages (PR) 1979 March QST p. 42 Flesher Corporation TU-170 RTTY 2 pages Terminal (PR) May QST p. 40 Microtronics M-80 Ham Interface 2 pages (PR) June QST p. 40 RTTY and the Kenwood TS-820 November QST p. 50 Macrotronics M800 RTTY System (PR) 1 page December QST p. 31 Compatible RTTY (FM Repeater) 6 pages 1980 January QST p. 85 RTTY - The Story Continues 2 pages March QST p. 17 Microcomputers and Radio Interference 4 pages (Feedback: Apr, p. 47; May, p. 35) April QST p. 53 Flesher TR-128 Baud Rate Converter 2 pages June QST p. 44 The IRL FSK-1000 RTTY Demodulator 1 page QST p. 60 ASCII (Q & A) 1 page September QST p. 11 ASCII, Baudot and the Radio Amateur 6 pages October QST p. 26 A CW ASCII Keyboard November QST p. 24 Improved RTTY Reception with the 2 pages Yaesu FT-101 December QST p. 20 A State of the Art Terminal Unit 3 pages for RTTY QST p. 51 Macrotronics RITTY Riter 1 page QST p. 53 RTTY Paper QST p. 27 A Crystal-Controlled AFSK Generator 1981 March QST p. 26 But Do You Understand ASCII? 4 pages QST p. 46 Feedback: State of the Art Terminal 1 page Unit for RTTY May QST p. 42 Radio Teleprinter Codes (TC) (Moore) 2 pages June QST p. 25 AMTOR - An Improved Error-Free RTTY System July QST p. 45 Switch Modification for State of the 1 page Art TU (H&K) (Weisberg) August QST p. 41 HAL Message Storage Option (PR) 1 page QST p. 36 Monitor for Computer-Operated RTTY 2 pages September QST p. 32 Phase-Locked-Loop Demodulator and 2 pages Modulator, A November QST p. 28 Auto-Start and Anti-Space for the State 3 pages of the Art TU 1982 January QST p. 18 Designing a Microprocessor-Based 4 pages RTTY Speed and Code Converter - Part I February QST p. 26 Designing a Microprocessor-Based 4 pages RTTY Speed and Code Converter - Part 2 (Feedback: 34, May; 52, Nov.) April QST p. 16 A Micorprocessor-Controlled Contest 6 pages Accessory June QST p. 49 Egbert RTTY Program (Prod. Rev.) 1 page QST p. 48 Macrotronics Terminal (Prod. Rev) 1 page QST p. 46 RTTY and the Apple II Computer (H&K) 1 page September QST p. Diversity Combiner for RTTY Reception QST p. 18 A Programmable Serial Communication Interface November QST p. 65 Experimental Digital Codes Now Permitted Above 50 MHz December QST p. 52 More State of the Art RTTY 2 pages (Tech. Corres.) 1983 February QST p. 55 The TRS-80 Color Computer and the State-of-the-Art TU March QST p. 62 Digital Codes Deciphered June QST p. 39 A Simple RTTY Diversity Combiner July QST p. 20 A Serial ASCII/Baudot Character 4 pages Generator You Can Build (Feedback: Sept., p. 46) August QST p. 16 A Low-Cost, Modular Approach to RTTY September QST p. 11 Graphics on RTTY October QST p. 32 Build an Amateur Radio Modem 5 pages November QST p. 55 Use Your 2-Meter Rig for F2 Operation December QST p. 38 The TU-300--Modified 1984 January QST p. 13 A Keyboard Keyer and Code Practice 4 pages System (VIC-20) (Feedback: Mar. 1984, p. 47) QST p. 17 A Universal RTTY Current-Loop Interface March QST p. 55 Third ARRL Amateur Radio Computer Networking Conference April QST p. 43 Receiving RTTY Pictures by Computer QST p. 77 RS-232-C: The Amateur Radio Connection QST p. 44 ARRL Asks for 160-Meter RTTY QST p. 50 VIC-20 Keyboard Modification May QST p. 45 C-64 Keyboard (conversion of Jan. 1984 Vic-20 program) June QST p. 29 Kaypro Computer RTTY Software July QST p. 20 A Bit-Pattern Analysis Program for the Apple and the C 64 July QST p. 58 ARRL Attacks Radiolocation Manufacturers' Attempts to Buffet League 160-Meter RTTY Petition August QST p. 36 A Passive RTTY Scope Adapter 2 pages September QST p. 39 VIC-20 CW Transmitter Interface QST p. 39 Upper- and Lower-Case ASCII Transmissions with the VIC-20 QST p. 41 More on Commodore Keyboards October QST p. 11 A Complete Morse-Code System for the VIC 20 Computer (both send and receive) November QST p. 57 C-64 Keyboard Machine-Language Routine Explained December QST p. 61 FCC Proposes Additional Modes on 160 Meters 1985 May QST p. 32 A RTTY Operator`s Guide 3 pages 1987 March QST p. 29 The Omni-Shift Tuner - A Comprehensive 5 pages Tuning System for HF Packet/AMTOR/RTTY May QST p. 16 Split-Screen RTTY for Atari Computers 5 pages 1988 July QST p. 28 A Simple Tuning Indicator September QST p. 20 Baudot and Ascii Programs for Atari Computers