QEX Index March 1988 - February 1990 (Volumes 73 - 94) 

Antennas and Transmission Lines

Automatic Antenna Controllers (Prendergast): 8, Aug 88
Parabolic Paradox (Shuch): 5, Apr 88

Components (Forbes)

AMD Am79C401 Packet Controller: 17, Feb 89
American Microwave Attenuator and Pulse Modulator: 13, Dec 89
AMP Data Line Protector: 14, Apr 89
Anadigics APS30010 180 degree Active Splitter: 17, Feb 89
Analog Devices Programmable Delay Generator: 12, Sep 88
Aromat Photo-MOS Relays: 12, Sep 88
Caddock Compact Power Resistor: 12, Sep 88
Chip Capacitor/Resistor Sample Kit: 14, Apr 89
Crystal Semiconductor Digital Audio Converter: 17, Feb 89
Digi-Key: 14, Apr 89
Double-balanced Mixer and RF Switch: 18, Apr 88
DTMF Decoder: 18, Apr 88
EG&G Reticon RF6609: 12, Sep 88
Ericsson/Rifa PBL3726/19 Telephone Speech-Circuit IC: 17, Feb 89
EXAR High-Speed Data Communication Chip Set: 17, Feb 89
Five-Year Lead-Acid Battery: 12, Sep 88
FM Receiver on a Chip: 18, Apr 88
GE Surge Suppressors: 16, Jun 88
IBM0 PS/2@ Model 30 286: 17, Dec 88
Inductor Sources, 17, Dec 88
Inresco Circuit Saver: 17, Dec 88
Jameco Electronics: 12, Jun 89
LED Clusters: 14, Apr 89
Low-Cost Voltage Regulators: 13, Nov 89
Maxim's MAX260 Universal Filters: 13, Aug 88
Microchip CMOS Digital Signal Processor: 13, Nov 89
Micro Crystal Division: 17, Dec 88
Micro Linear ML2111 Univeral Filter: 14, Aug 88
Micrometals Toroidal Cores: 16, Jun 88
Microprocessors Unlimited, Inc: 12, Jun 89
More on Toroids: 13, Aug 88
Motorola One-Time Programmable Microcontroller Kit: 13, Jun 89
MuRata/Erie Crystals and Oscillators: 12, Dec 89
NEC Microwave Prescaler Family: 17, Dec 88
NEC UPG106 Wideband AGC Amplifier: 13, Nov 89
NEC UPG107 Microwave Switch: 13, Nov 89
New Intel Microprocessors: 13, Aug 89
Nine-Volt Lithium Battery: 18, Apr 88
Photo Cells: 13, Jun 89
Polycore RF Devices: 17, Dec 88
Qualcomm Q2334 Digital Synthesizer: 12, Jun 89
Reader Response: 17, Dec 88
Reader Survey: 14, Apr 89
Reader Survey: 12, Jun 89
RF Power Amplifier Modules: 12, Sep 88
RF Power Amplifiers: 16, Jun 88
Siemens SAB82525 Data Controller: 17, Feb 89
Signetics CMOS Frequency Synthesizer: 16, Jun 88
Silicon Systems DTMF Transceiver: 17, Feb 89
Silicon Systems 2400 bit/s Modem Chip: 12, Sep 88
Siliconix Analog Switches: 12, Jun 89
Spectrum Digital Signal Processing: 12, Dec 89
Surface-Temperature Sensor:, 14, Apr 89
Switched-Capacitor Filters: 13, Aug 88
Switched Capacitor Handbook: 12, Sep 88
TDK EMI/RFI Components: 12, Sep 88
Teledyne CMOS Switch-Mode Power-Supply Controller: 13, Aug 88
Universal Filter Building Block: 12, Jun 89
US Sertek PS/2 Chip Set: 17, Feb 89
Wideband Amplifiers from Mini-Circuits: 13, Jun 89
XICOR E2POT: 16, Jun 88
5-Volt Power Supply on an 8-Pin DIP!:, 14 Apr 89
12-GHz MMIC Switches: 14, Apr 89

Computers

AO-13 Satellite Mutual Windows Program for G64 and IBM 
Compatables: 13, Jul 89
AO-13 Telemetry Decoding Software: 11, Sep 88
ASAT: An Apple-Based Satellite Imaging System (Zehr) 3, Mar 88
CAE/CAD Tools: 15, Jul 89
Kantronics Morse Tutor PC: 8, Jul 88
Macket Software for Macintosh Computers: 4, Jun 88
The PC-BANDIT: 7, Jun 88
Plan-13 Tracking Program: 13, Jul 89
Pseudo-Sync, A Terminal Program for Mode B AMTOR (Egleston) 8, Nov 89
Rapid Prototyping a DSP56001 IBM PC/Clone System (Borden): 3, Feb 90
Satellite-Tracking Program for Commodore Computers: 4, Jun 88
Squint Plan: 13, Jul 89
A Weather-Facsimile Display Board for the IBM PC (Shuch): 3, Sep 88; 
      Feedback: 14, Nov 88
8052AH-BASIC Micro Project Controller (Hinrichs): 3, Oct 88; 
      Feedback: 14, Nov 88

Correspondence

And Another Program Change [Dodd/Lloyd article] (Dodd): 3, May 88
The Angry Sun (Rose): 13, Sep 88
Calculating Distance using USGS Maps (Cowan): 7, Jul 89
Crystal Filter Design Bibliography (Mallozzi): 11, Jan 89
Diversity Technique Bibliography [Key to citations] (Mallozzi): 3, Apr 88
Dodd/Lloyd Article Stirs Up Impedance Discussions (Lund): 3, May 88
Dodd/Lloyd Program Corrections (Dodd): 9, Aug 88
A High-Stability Audio Oscillator (Carter): 14, Feb 89; Feedback: 11, Jun 89
Impedance Measuring - Redux (Jenkins): 12, Sep 88
Impedance-Measuring Hybrid Comments (Weller): 3, Jul 88
Intermodulation Investigation (Parnass): 3, Apr 88
Microsats on the Way (Riportella): 13, Sep 88
More "Hams in Space" Operations Coming (Tynan): 12, Nov 89
More Impedance-Measuring Hybrid Comments (Weller): 9, Aug 88
More on the G3TSO Transceiver (Heitner): 8, Dec 89
Notes on the G3STO Modular Transceiver (Grierson): 8 Dec 89
On Packet Modulation Standards (Wescott): 15, Jan 90
Packet Sounding Networks (Jakubowski): 3, May 88
Picking Bones on the MC68701 Burner (Swendson): 15 Jan 90
The Rockwell R24MFX Modem (Parks): 10, Aug 89
A Simpler Method [Dodd/Lloyd article] (Jenkins): 3, May 88
Some Thoughts About SMT (Lau): 3, Jul 88
Some Thoughts on HF Packet Radio Standards (Solie): 11, Jun 89
Suggestions For Building and Using the W8CGD Impedance-Measuring 
      Box (Weller): 4, Jul 88
Tactical LF Transmitting Antenna Test (Francis): 12, Sep 88
Tropo Backscatter (Blom): 10, Mar 89

Editorials (Rinaldo)

Amateur Radio Education: 2, Apr 89
Amateur Radio Technical Conferences: 2, Nov 88
AMSAT Announces PACSAT Project: 2, Sep 88
AMSAT Spins Off Technology: 2, Mar 89
AO-13 and Beyond (Francis): 2, Aug 88
The ARRL Laboratory: A New Look: 2, Mar 88
Computer Networking Conference: 2, Nov 89
Contributing to the Propagation Art: 2, Sep 89
Creative Consumption (Hutchinson): 2, Jun 89
A Digital Weekend: 2, Jan 89
Documenting Contributions: 2, May 89
HF Packet Initiative: 2, Jul 89
Have We Got a Deal for You?: 2, May 88
Looking to the Future - Public Land Mobile and Amateur: 2, Dec 89
More on the HF Packet Design Quest: 2, Jan 90
Part 15 Engineering Discussions: 2, Aug 89
Phase 3C Launch ~ Successful!: 2, Jul 88
Phase 4: Let's Get Serious (Jansson): 2, Feb 90
Spectrum Management: 2, Dec 88
STA Extension for SKIPNET Autoforwarding Network: 2, Feb 89
Strategic Planning: 2, Oct 88
Teaching A New Dog Old Tricks (Bloom,): 2, Oct 89
Technical Excellence: 2, Apr 88
Turning the Page: 2, Jul 89
Wear A TC Hat (Palm): 2, Jun 88

Educational

Application Notes: 4, Feb 90
Boston Computer Society Establishes Amateur Radio
Special Interest Group: 9, Aug 89
Call For Papers: Second Frequency Control and Synthesis Conference: 15, May 88
Call For Papers: 22nd Central States VHF Conference: 4, Apr 88
Celwave Free Seminar Program: 15, Mar 88
Courses on Mechanical Behavior and Service Life of Plastics: 14, Dec 88
DATASPACE '89: 13, Jun 89
Date Changed for AMSAT Space Symposium: 14, Aug 89
FAR Scholarships (Turnbull): 13, Mar 88
International Conference on Communications [IEEE]: 15, May 88
Invest in Your Future - Upcoming Courses: 6, Apr 88
Mir Pamphlet Available from AMSAT-UK: 3, Jul 88
R & B Enterprises Offer Training Courses: 5, May 88
RF Technology Expo 89: 13, Dec 88
RSGB News - What's Happening Across the Pond [RSGB Holds First Data 
      Symposium]: 15, May 88; Feedback: 18, Jun 88
Sixth Space Symposium and Annual Meeting [AMSAT]: 7, Nov 88
Third Generation Wireless Access Information Networks Workshop: 13, Apr 89
14th Annual Eastern VHF/UHF/SHF Conference: 4, Apr 88
1989 IEEE Sponsored and Cosponsored Conferences: 13, Apr 89

Miscellaneous

ARRL Morse Code Shaper (Hare): 9, Dec 89
ARTE - Amateur Radio Tracking Experiment (Babulski): 5, Dec 89
Build-It-Yourself Handheld Transceiver: 7, Nov 88
Call for DSP Sources: 15, Mar 88
Coherent CW (Lumb): 10, Aug 89
CW and SSB Audio Filters Using 88-mH Inductors (Wetherhold): 3, Dec 88
Designing LC Filters Using SVC Filter Tables (Wetherhold): 8, Jun 88; 
      Feedback: 4, Jul 88
Dynascan Corp Buys Lloyd's Electronics: 5, May 88
An Emergency Broadcast System Receiver (Williamson): 8, Nov 88
G3TSO's Modular HF Transceiver - Part 2 (Grierson): 4, Sep 89
Heath's HK-21 Pocket Packet TNC Donated for Use in Space Shuttle: 12, Mar 89
High-Voltage Breakdown Tester (Measures): 5, Aug 88; Feedback: 11, Jun 89
Impedance Bridge (Hanning): 3, Jun 89
KO51 Named AMSAT General Manager: 4, Nov 89
A Logarithmic RF Detector for Filter Tuning (Lau): 10, Sep 88
MC68701 Programming Board (Oscarson): 3, May 89
MMICs Mimic Mixer (Shuch): 3, Mar 89; Feedback: 11, Jun 89
Modular Multiband Transceiver - Part 1 (Grierson): 3, Aug 89
Nonlinear Applications Using the Avantek MMICs (Ward/Wagner): 10, Jun 89
Notes on a Lightweight, Portable CW Transmitter with a Transformerless 
      Power Supply (Vreeland): 11, Jun 88
Receiver Front-End Protection (Clark): 8, May 89
RF Power FETs, Their Characteristics and Applications - 
      Part 1 (Granberg): 3, Jan 89
RF Power FETs, Their Characteristics and Applications - 
      Part 2 (Granberg): 10, Feb 89
Searching for Information (Mote): 3, Dec 89
A Simple, Direct-Reading, Digital Inductance Meter (Vreeland): 11, May 89
Superconductivity - More Than Just Levitation (Thompson): 10, Mar 88
Transpolar Skitrek and Project North Ski Communications (Ensign): 13, Apr 88
Yaesu USA Consolidates Facilities: 14, Jul 88
A 6-Meter Oscillator (Becker): 11, Nov 88
A 192-MHz Local Oscillator for Home-Brewers (Lau): 14, Jun 88
A 759-MHz Local Oscillator (Mascaro): 12, May 88

New Books

AMSAT-UK Catalog: 7, Jul 89
AO-13 Handbook: 14, Jan 89
Artech House Books: 8, Dec 89
Beginners Guide to Packet Radio: 11, Apr 89
Beverage and Longwire Antenna Theory and Design: 17, Apr 88
Beverage Antennas For HF Communications, Direction Finding and 
      Over-The-Horizon Radar: 14, Dec 88
DARC Verlag UHF Compendium: 11, Sep 88
Digital Video in the PC Environment: 9, Aug 89
Do You Have Electrical Savvy?: 19, Apr 88
EIA Committee Roster: 14, Sep 88
High-Frequency Switching Power Supplies: Theory and Design: 9, Aug 89
On Increasing The Radiation Efficiency of Beverage Type Antennas: 14, Dec 88
The LAN Bookstore: 5, May 88
LAN Sakes [ISO/IEC 8802-3]: 7, Jul 89
Land Mobile Communication Standards: 11, Apr 89
Loop Antennas, Design and Theory (Mallozzi): 17, Apr 88
The National Radio Club's Antenna Pamphlets: 17, Apr 88
The NRC Antenna Reference Manual - Vol 1: 17, Apr 88
The NRC Antenna Reference Manual - Vol 2: 17, Apr 88
New Audio Engineers Handbook: 14, Sep 88
New Books from CMS Publications: 3, Sep 89
NTIS Publications: 14, Dec 88
On-Line Electronic Catalog [SchweberNET]: 9, Mar 88
OSCAR-13 Handbook: 13, Jul 89
Pomona Electronics Catalog: 7, Jan 89
A Practical Guide To The Design of Rhombic Aerials: 14, Dec 88
Printed Circuits Handbook: 9, Mar 88
Selected Areas in Communications: 11, Nov 89
Spectrum Catalog: 11, Nov 89

New Products

AMSAT-NA Offers TAPR PSK Demodulator Boards: 13, Jul 89
Analog Simulation Package: 11, Nov 89
AOR Miniature Mobile Scanner: 10, Aug 88
Battery-Powered Directional Wattmeter: 7, Nov 89
Battery-Powered Signal Intensifier: 11, Apr 89
Circuit Prototyping System for Toshiba Lap-tops: 4, Feb 90
Coaxial Products: 15, Mar 88
Computer Power Interrupters: 11, Apr 89
Conductive Paint: 14, Aug 89
Dual Slope A/D Converter with Expandable Analog Multiplexer: 14, Jan 89
Flexible and Rigid Resin System: 7, Nov 88
Gassol Soldering Tool: 10, Mar 89
Hand-Held Multimeters: 4, Feb 90
High-Voltage Multilayer Ceramic Chip Capacitors: 13, Nov 89
HP Solid-State Relays: 14, Feb 90
Improved Receiver Preamplifiers: 14, Jan 89
Kantronics PTT Watchdog: 8, Jul 88
LEMO Connectors: 13, Apr 88
Lightweight Wind Generator For Emergency Power: 14, Sep 88
Low Cost, Wide Band GaAs MMIC Amp: 12, Feb 90
Low-Priced Workstation: 8, Dec 89
A Marker Tailored for Flat Ribbon Cable: 19, Apr 88
MONITOR 1-232: 16, Jun 88
Multilayer Universal Prototyping Board [MD12BRD]: 10, Jun 88
NEC High-Gain Heterojunction FET: 14, Nov 88
NEC NE647 And NE648 High-Frequency Bipolar Transistors: 16, Feb 89
NEC Silicon MMIC Prescalers: 17, Jul 88
NEC Super Mini-Mold: 7, Nov 89
Nevada in the United Kingdom [TM1000]: 11, Sep 88
New Silicone Gels: 14, Feb 90
New Teledyne CMOS Dual MOSFET Drivers: 11, Jan 89
Quad Power Driver: 4, Feb 90
Replacement Oscilloscope Probe Kits: 15, Jul 89
SIQ Repeater Controller: 17, Jul 88
Sprague PPS Film Capacitors: 11, Jan 89
Teledyne Semiconductor Markets New Components [TSC-9405, 500A, 
      7652]: 11, May 88
Tunable Notch Filters for 30 to 900 MHz: 14, Aug 88
UHF Spectrum Analyzer [SA-500E 550-MHz]: 18, Apr 88
Window Glass Tester for Mobile Antenna Compatibility: 14, Sep 88
XR-2900 FAXIDATA Modem Chip Set: 4, Nov 89

Satellites

The ACE Orbit: A New Communications Satellite Orbit (Turner/Price): 8, Mar 89
Active Amateur Radio Satellites: 12, Aug 89
AO-13 Telemetry Decoding Software: 11, Sep 88
ASAT: An Apple-Based Satellite Imaging System (Zehr): 3, Mar 88
Design Team Integrates Microsats (photos): 6, Dec 89
Introduction of JAS-1b (JARL): 12, Sep 89
JARL Plans Second Amateur Radio Satellite (JARL News): 11, Sep 88
A Low-Noise Preamp For Weather Satellite VISSR Reception 
      (Shuch): 3, Feb 89; Feedback 11, Jun 89
Memorandum-of-Understanding: 11, Jun 89
New 10 Meter Net for OSCAR Satellite Beginners: 13, Apr 89
Newest OSCAR Readied For June Launch (Riportella): 19, Apr 88
Radio Sputnik Bulletin from RS3A: 9, Aug 89
Satellite-Tracking Program for Commodore Computers: 4, Jun 88
Your Window For Visually Observing Satellites (Riportella): 5, Jul 88

Specialized Communications Techniques

Algorithms and Methods for SITOR/AMTOR Systems (Newland): 9, Jul 88
An AMTOR Mailbox Standard (Martinez): 5, Feb 90
A Bar-Graph Tuning Indicator For FEC-DEC (Newland) 3, Nov 89
Facsimile Over a High-Frequency Radio Link (Parks/ Curran): 8, Sep 88
A Federal Standard for HF Radio Automatic Link 
      Establishment (Adair/Peach): 3, Jan 90
The GB7PL)( AMTOR Gateway Mailbox (Martinez): 6, Feb 90
NET98.EXE: A Japanese Version of the KA9Q Internet (TCP/IP) Package 
      (Yamada/Kushida): 3, Jul 89
Path Selection - Part 1 (Haarsager): 11, Dec 88
Path Selection - Part 2 (Haarsager): 8, Jan 89; Feedback: 10, Mar 89
Practical Spread Spectrum: Achieving Synchronization with the 
      Slip-Pulse Generator (Kesteloot): 6, May 88
Practical Spread Spectrum: Clock Recovery With the Synchronous 
      Oscillator (Kesteloot): 7, Jun 89; Corrigendum: 10, Aug 89
Practical Spread Spectrum: An Experimental Transmitted-Reference 
      Data Modem (Kesteloot): 8, Jul 89
A Selective Calling Decoder for MF/HF Radio Systems (Newland): 3, Apr 89
Some ideas for a Robust HF Packet Signal Design (Kaplan): 5, Nov 89
A Tuning Aid for Packet Radio, RTTY and SSTV (Biolcati): 10, Sep 88

VHF and Microwaves

1.3 GHz Measurements Using Home-Brew Gadgets (Reed): 8, Jan 90
Characteristics of Some Common Power Tubes at 432 MHz 
      (Powlishen): 3, Nov 88; Corr/Feedback: 12 Apr 89
HY-brid Hi-Power (Pettis): 13, Jan 90
Parabolic Paradox (Shuch): 5, Apr 88
Solid-State Linear Amplifiers for 33 cm (Hallidy): 5, Jun 88
Two 7289s on 903 MHz (Schofield): 7, Apr 88
A VHF/UHF/Microwave Transverter IF Switch (Lau): 3, Aug 88
Wideband Microwave Amplifier Design (Shuch): 3, Oct 89
A 0.5-Watt 903-MHz Amplifier (Lau): 3, Jun 88

VHF + Technology (Krauss)

Another Method for Getting on the Microwave Bands: 16, Apr 88
How One VHF+er Found a New Use for Winter Evenings or Is It Too 
     Early to Begin Spring Cleaning?: 13, Mar 89
Intermodulation Distortion: 16, Jul 88
Low-Noise Amplifiers, and Components therefore: 11, Aug 89
Mystery of the Missing Cavities: 13, Mar 89 
Odds and Ends: 15, Jul 88 
Proper Microwave Chip Capacitors: 14, Oct 89 
Some Thoughts on VHF+ Construction: 14, Oct 89 
State of the Art: 430 MHz, Antennas: 14, Sep 88 
State of the Art at 70 cm - Continued: 12, Nov 88 
State of the Art above 1 GHz: Some Introductory Considerations: 10, May 89 
State of the-Art: the 23-cm band: 11, Aug 89 
State of the-Art: 2300-2450 MHz: 14, Dec 89 
Traveling-Wave Tubes, Continued: 12, Nov 88 
Update on TWTA Information Requests: 16, Apr 88 
VHF + Conferences - What was found: 15, Feb 89 
VHF/UHF Contest Operating: 13, Feb 90 
220-MHz "State of the Art": 16, Jul 88 
430-MHz State of Art: Conclusion: 15, Feb 89 
1988 Conference Proceedings: 13, Mar 89

13 Centimeters (Olson)

2160-MHz Local Oscillator: 14, Mar 88

>50 Focus on technology above 50 MHz (Olson)

Electromagnetic Waves and Antenna Polarization: 11, Aug 88
Inexpensive Low-Power Microwave Terminations: 17, Jun 88
New Products for the >50 Audience: 12, Mar 89
Reflector Antennas: 15, Dec 88
Reflector Antennas:Dish Construction and Surfacing: 11, Mar 89
Reflector Antennas: Dish Feeds and Recommendations: 12, Jan 89
RF Filters for VHF and UHF: An Overview: 14, Apr 88
RF Filters for VHF and UHF: Part 2, Practical Designs: 16, May 88
RF Hybrid Modules: Building with Bricks: 13, Jul 88
Solid State RF Amplifier Update, Part 1: Receiving Devices: 14, Jul 89
Using Surplus 75-ohm Hardline at VHF: 12, Mar ??

Feedback on Previous Articles

Extracting Stable Clock Signals From AM Broadcast Carriers for Amateur 
      Spread Spectrum Applications, Oct 87: 18, Jun 8

*eof