QEX Index March 1991 February 1992: (Volumes 109-120)

Components (Forbes)

Be Careful!: 14, Mar 91
Basic Architecture of a Microprocessor: 15, Sep 91
Communications Controller: 18, May 91
Digital Electronics: May 91
Digital Memory: 14, Mar 91
Dolby on a Chip: 16, Sep 91
Flush-Mounted Nuts: 14, Mar 91
High Capacity NiCd Batteries: 14, Mar 91
How the microprocessor executes its software: 11, Nov.
Low Bias-Current Op Amp: 1 5, Jan 92
Low-Dropout Voltage Regulators: 1 5, Jan 92
MEC Surface Mount Switch: 1 0, Jul 91
Microphone Preamplifier: 11, Nov 91
Microprocessor - a programmable logic component: 10, Jul 91
Memory "Coins": 11, Nov 91
New Battery Technology May Replace NiCds: 1 8, May '
Programmable Sinewave Generators: 1 6, Sep 91
RF Connectors: 1 0, Jul 91
Tiny RF Mixer: 10, Jul 91
What's a DSP Do?: 15, Jan 92
2-Gigabyte Disk Drive: 1 0, Jul 91
20-Bit Audio DAC: 1 5, Mar 91
60-MFLOPS DSP Introduced: 15, Jan 92
900-MHz Power Amplifiers: 14, Mar 91
2400-bit/s MODEM Chip: 15, Sep 91

Correspondence

Antenna Rotor System (Hornbostel): 13, Dec 91
A Call for More Experiments Combining Microwave and CDMA 
      Technology (Rutz): 13, Mar 91
Comments on "The Fourth Method" (Anderson): 12, Mar 91
Comments on the October Safari-4 QRP Transceiver Article 
      (Klingelhoeffer/Burdick): 12, Mar 91
Comments on Measuring the Mass of the Earth (Wetherhold): 13, Feb 92
Congrats in Order (Anderson): 15, May 91
Digital Communications Protocol (Wickwire/Shuch): 12, Feb 92
GIL - Graphics Interchange Language (Williams): 9, Jul 91
HW-9 Modifications Update (McLellan): 16, May 91
LUSAT Frequency Changes (Kayser): 15, May 91
More on the Safari-4 and CDMA vs. TDMA (Zavrel): 8, Jul 91
Packeteers, You are What You Write (Rosenfeld): 9, Oct 91
Parts for the "SSB Exciter" (Anderson): 12, Dec 91
Pervasive Technology (Leggett): 13, Jan 92
PK-232 Telemetry Reception Modification (Moroni): 3, Sep 91
QEX - still an experimenters' exchange? (Lau): 16, May 91
Signetics NE602 as a Test Instrument (Bowman): 11, Aug 91
Some Feedback (Duff): 15, May 91
Some Interesting Power Supply Chips (Hornbostel): 3, Sep 91
Switching Power Supplies (Anderson): 9, Jul 91
"Switching Power Supplies" Addition (Smith): 12, Dec 91
A VHF Crystal-Controlled Oscillator with Negative Ground (Bowman): 10, Aug 91
A VHF Crystal-Controlled Oscillator with Positive Ground (Bowman): 10, Aug 91
Whither Experimentation? (Isard): 141 Jan 92
900/901 Series (Wolos): 8, Jul 91
38,400 bit/s Packet Radio Comments (Papson): 3, Sep 91

Corrigendum

HF Frequency Synthesizer...Easier Than Ever (Boillot, Jan 91): 22, Jun 91
Low-Power Portable Packet Terminal (Avritch, Jan 91): 22, Jun 91
Measuring the Mass of the Earth - The Ultimate Moonbounce 
      Experiment (Shuch Sep 91): 14, Jan 92
Switching Power Supplies for High Voltage (Hulick, Feb 91): 
      21, Aug 91; 15 Nov 91

Editorials (Rinaldo)

AMSAT-UK Colloquium - The Sixth: Sep 91
Countdown to WARC-92: 2, Apr 91
Digital Communications and Future Systems Committees: 2, Feb 92
HF Packet Radio R&D Project Update: 2, Mar 91
I Know You're Out There I Can Hear You Acking (KE3Z): 2, Dec 91
Pervasive Technology: 2, Jun 91
Power Control in System Design: 2, Oct 91
Public Service (KE3Z): 2, Jan 92
Request for Comments: 2, May 91
Spotlight on the 13-cm Band: 2, Jul 91
You Can't Win if You Don't Play: 2, Aug 91
10th CNC Notables: 2, Nov 91

Educational

ARRL 10th Computer Networking Conference: 17, Jul 9
Call for Papers for AMSAT-NA Technical Symposium and 
      Educational Workshop: 7, Sep 91
Call for Papers-25th Central States VHF Society Conference: 17, May 91
Conference Proceedings-AMSAT/NA Ninth Space Symposium and 
      AMSAT/ARRL Educational Workshop 17, Nov 91
High Schools and Amateur Radio Team Up to Support VLF Shuttle 
      Research: 21, Dec 91
International Phase III D Satellite Program: 21, Aug 91
Microwave Update 1991: 17, May 91; 17, Jul 91; 21, Aug 91; 17, 0ct 91
SAREX Update:6, Apr 91
Software Service: 21, Apr 91
6th Annual Satellite Colloquium: 6, Mar 91; 16, Jun 91
7th Annual Eastern VHF/UHF/SHF Conference 21, Apr 91
25th Central States VHF Society Conference: 17, Jul 91

Miscellaneous

An Audio CW Notch Filter for Home Brewing (Mita): 4, Sep 91
Automated SAREX Communication (Smitt): 3, Apr 91
A Different Weave of SSB Exciter (Anderson): 3, Aug 91
EA-88 IBM PC Radio Interface (Miletic): 13, Jun 91
Index to QEX March 1991 to February 1992 (Volumes 109-120): 18, Feb 92
Maxwell Without Tears - A Fresh Look at His Infamous Equations 
      (Shuch): 6, Jan 92
Measuring the Mass of the Earth - The Ultimate Moonbounce Experiment 
      (Shuch): 8, Sep 91; Corrigendum: 14, Jan 92
Microwave Update '91: 11, Jan 92
The OZ1HWO 144-148 MHz Pocket FM Receiver (Tolstrup): 7, Apr 91
Power Supply for GaAs FET Amplifier (Lau): 10, Mar 91
The Series Regulator Power Supply - A Closer Look (Sabin): 3, May 91
Simple Crystal Filters (Parrot): 10, May 91

New Products

Computer Program Designs, Simulates, and Optimizes 
      High-Efficiency (Class E) RF Power Amplifiers (HEPAPLUS): 21, Apr 91
Logic Tutor: 21, Apr 91

Specialized Communications Techniques

AMC - The AMTOR Controller (Bingemer): 3, Feb 92
Direct Digital Synthesis - What Is It and How Can I Use It? (Saul): 7, Mar 91
A Microcontroller Based Multimode Reader (Haynal): 3, Jun 91
An Optical, Through-the-Air, Digital Communication Modem 
      Part 1 of 2 (Foltzer): 3, Nov 91
An Optical, Through-the-Air, Digital Communication Modem 
      Part 2 Of 2 (Foltzer): 3, Dec 91
A New DSP for Packet (Albert): 3, Jan 92
PACTOR_Radioteletype with Memory ARQ and Data Compression 
      (Helfer/Strate): 3, Oct 91
PSK Anyone? (Reed): 3, Jul 91
PTC - The PACTOR Controller (Cias/Mack): 7, Oct 91
TCP/IP Command Set Reference (Wade): 3, Mar 91
Voice Mailbox at the UHF/VHF Conference in Weinheim (CQ-DL): 8, 
Dec 91

VHF+ Technology (Krauss) 

Changing the Contest Rules, Revisited: 13, Apr 91
High-Temperature Superconductors (HTS): 14, Apr 91
Mid-Year Notes: 11, Jul 91
Miscellaneous thoughts: 13, Aug 91
More Thoughts on 135 cm: 12, Oct 91
Remember - No use of 220-222 MHz: 13, Aug 91
Rotating Towers for VHF+ Antennas: 12, Oct 91
Year-End House-cleaning: 16, Jan 92

GATEWAY

Applications

AA4RE BBS Version 2.11 Available: 17, Apr 91
Apple-Amateur Radio Users Group Formed: 21 May 91
CAPRA Information Packet Available: 19, Mar 91
DC Area 900-MHz Packet-Radio Backbone: 19, Dec 91
Illinois IP Address Coordinator: 17, Apr 91
IP Address Coordinator List: 14, Nov 91
Landline Doorway to Packet Radio: 16, Feb 92
METCON-1 Now Available: 16, Oct 91
Norway Packet-Radio Status Report; 12, Sep 91
PACSATS Move Traffic Worldwide: 13, Nov 91
PACTOR Bibliography: 22, Jan 92
Remote Linked Message/Data Distribution System: 18, Aug 91
A Snapshot of an Evolving NTS: 16, Feb 92
Southern New Jersey Packet-Radio Group Formed: 13, Nov 91
TAPR DSP Hardware Update: 18, Jun 91
TAPR Deviation Meter Planned: 19, Jan 92
TAPR METCON-1 Beta-Test Kits Available: 18, Jun 91
TAPR METCON-1 Status Report: 18, Jan 92
TAPR Packet RADIO Status: 18, Jun 91
US and USSR Amateurs to Coordinate Emergency Packet-Radio 
      Communications: 15, Oct 91
WXN Packet Weather Server Node Available: 18, Jan 92
"Who Hears Me?" Command Proposal: 19, Dec 91
Worldwide list of APLink Stations: 18, Apr 91

Commercial Products

AEA Releases PK-232 and PC-PAKRATT 11 Upgrades: 12, Sep 91
IEEE Packet-Radio Articles: 19, Aug 91
New Edition of The ARRL Operating Manual Covers Packet Radio and 
      Satellite Communications: 19, Jan 92
New Products Available from AEA: 19, Jan 92

Miscellaneous

AMSAT-NA Annual Meeting and Symposium: 13, Jul 91 
AMSAT-NA Annual Meeting, Symposium and Educational Workshop: 16, Oct 91
AMSAT-NA 9th Annual Meeting and Space Symposium Successful: 20, Jan 92
AMSAT-UK Colloquium Highlights: 13, Sep 91
ARRL 220-MHz Band Plan: 15, Oct 91
ARRL Seeks Access to 216-220 MHz for Packet-Radio Links: 15, Aug 91
DSP Dreamland at Dayton: 17, Jun 91
DSP Q&A: 12, Nov 91
Dayton in April: 17, Apr 91
Disaster Communications via Packet Radio in South-East Asia: 15, Feb 92
FCC and ["The PBBS Eleven": 19, Jun 91
FCC Cites PBBS Business Communications: 16, Mar 91 
FCC Grants Final Extension of Unattended HF Operation STA: 15, Feb 92
Input for New 222-225 MHz Band Plan Sought: 16, Mar 91
Kuwait APLinked During Iraqi Occupation: 16, Apr 91
Hams "Kuwait Connection" Revealed: 21, May 91
Midwest Packet Radio Conference Scheduled: 20, Jan 92
NTS Embraces Digital Systems: 19, Jun 91
Radio Recommendation: 19, Dec 91
Sixth Annual AMSAT-UK Colloquium Scheduled: 18, Apr 91
Stray Bits (AEA Ships DSP-2232; New W1AW Bulletin Header Proposed; 
      AMSAT-Belgium not Associated with SARA; RSGB Ceases Publication 
      of Packet-Radio Newsletter; HamMan V1.01 Available): 17, Feb 92
TAPR Annual Meeting Highlights: 21, May 91
TAPR Annual Meeting on Tap for March 7-8: 15, Feb 92 
Tenth Anniversary Focus of TAPR Annual Meeting Plans: 17, Dec 91
Thoughts on BBS Authentication: 13, Jul 91
1992 Starts Off With January: 22, Jan 92

Networking

ARRL Computer Networking Conference: 16, Aug 91
Call for Papers - Computer Networking Conference: 19, May 91
Cardinal Card Ready to Fly: 16, Apr 91
Colorado Packet News: 21, Jan 92
Home is Where Your TNC is...: 18, Mar 91
HUBMASTER and Intermediate-Speed Network Development Status 
      Report: 19, May 91
NMS Live!: 16, Apr 91
Proceedings of the 10th ARRL Computer Networking Conference: 15, Oct 91
Region 3 Adopts Packet-Radio Guidelines: 17, Dec 91
San Francisco to be Site of 10th ARRL Computer Networking 
      Conference: 16, Mar 91
The YU3 23-cm 38,4000-Bit/s Packet-Radio Network: 20, Jun 91
The 4X1RU HF-VHF Gateway/PBBS Statistics: 22, May 91

Satellites and Spacecraft

Austrian Cosmonaut to Operate from MIR in Fall: 12, Sep 91
Austrian Ham Aboard MIR: 12, Nov 91
GB1MIR/U to Operate from MIR: 19, Jun 91
LO-19 PBBS Operational Soon: 17, Mar 91
MM Now a "Multi/Multi": 18, Jan 92
PACSAT Message Traffic Gateways Expanded: 18, Jan 92
PACSATs Move Traffic Worldwide: 13, Nov.
Recovery of AO-21 RUDAK Continues: 19, Dec 91
RUDAK 2 Launched: 16, Mar 91
SARA - A French Amateur Radio Telescope: 15, Dec 91
STS-37 SAREX Mission Overview: 20, May 91
Space station Packet Radio Operational: 16, Mar 91
U0-22 Launched: 11, Sep 91
U2MIR Bids Farewell and U5MIR Wants to Know "What's Up?": 13, Jul 91

Software/Firmware/Hardware

AA4RE BBS Version 2.11 Available: 17, Apr 91
AEA Releases PK-232 and PC-PAKRATT II Upgrades: 12, Sep 91
Latest Packet-Radio Software Releases: 22, May 91
Latest Packet-Radio Software Releases: 16, Jul 91
Macintosh System 7 Hits Amateur Radio: 14, Nov 91
METCON-1 Now Available: 16, Oct 91
New Packet-Radio Software Available: 17, Mar 91
New Packet-Radio Software Available: 18, Apr 91
New Packet-Radio Software Available: 15, Oct 91
NOSview for DOS: 13, Nov 91

*eof