1999 Index  Issues 192 through 197
(All dates are 1999 unless otherwise indicated.)

Empirically Speaking (Smith)

About the Amateur Radio Technology Task Force: May, 2; Nov, 2
Great Inventions: Mar, 2
PSK31: Jul, 3
Receiver Challenge: Sep, 2
Reprint permission policy change: May, 2
QEX Content: Jan, 2

Feedback

3CX800s for the Magic Band, A Pair of (Jan, pp 22-27): Jul, 64
Radiation-Pattern Plots, Creating 3-D Antenna (Jul, pp 40-43): Sep, 62
RF: Transmission Lines and ARRL Radio Designer (May, pp 58-59): Jul, 64

Letters to the Editor

3CX800s for 6 Meters, A Pair of (Sayer): Mar, 60
300-W MOSFET Linear Amplifier, A (Frey): Jul, 63; (Hayward): Jul, 63
Better Moustrap?, A (Montague): Jul, 62
Calibrated Panoramic Adapter, A (Anderson): Jul, 63-64
Center-Loaded Whip Antenna Loss (Bowen): Nov, 00; (Bingeman): Nov, 00 
Digital Commutating Filter, A (Anderson): Jul, 62; (Kossor): Jul, 62
Educational Activity Award Nominations: Jan, 62
Fields, Near and Far, Of (in "A Test for Ambient Noise," Lefferson): Jan, 61; (Smith): Jan, 61
Handy Coil Winder; Compact Mobile Tuner (Smith): Mar, 60; (Stewart): Mar, 60
High-Performance Homebrew Transceiver, A (Johnson): May, 62; (Pierce): May, 62; (Carver): May, 62
Hot-Guy-Wire Antennas for Ham Radio, Practical (Bingeman): Jan, 62
Measuring Distortion in Linear Amplifiers (May/Jun 1999) (Chadwich): Sep, 61
Multiple-Octave Bidirectional Wire Antennas (Zavrel): Jan, 62
New Look at the Gamma Match, A (Severns): Sep, 59; (Gordon): Sep, 59; (Barker): Sep, 59
PC-DSP, Oktay Alkin's, Prentice-Hall (Smith): May, 62
Performance Specifications for Amateur Receivers of the Future (Drentea): Jul, 60; (Anderson): Jul, 60; (Graf): Jul, 60; (Fleagle): Sep, 60; (Popesue): Sep, 60; (Chadwick): Sep, 60; (Graf): Sep, 61
Phase-Noise Measurement (van der List): Mar, 61
Pi and Pi-L Networks, On (Bartell): Sep, 62
Pi-L Networks, A Concise Calculation Method for (Lickfeld): Mar, 59; (Bartell): May, 61; (Sayer): Mar, 59; (Smith): Mar, 59
PSK31: A New Radio-Teletype Mode (Sabin): Nov, 00; (Martinez): Nov, 00
QEX is great (French): Sep, 62; (Carver): Sep, 62
QEX Web Site, About the (Harris): Mar, 61
Radiation-Pattern Plots, Creating 3-D Antenna (Smith): Sep, 62
Regulated 2400-V Power Supply, A (Williams): Sep, 62
Signals, Samples and Stuff: A DSP Tutorial (Smith): Jan, 62
Standard Application Programming Interfaces (Heath): Mar, 61; (Smith): Mar, 61; (Dowler): Mar, 61
Switching Power Supply for Beginners, A (Mack): Sep, 62
Tetrode Boards, The (White): Jan, 62
Tune SSB Automatically (Premena): Mar, 61; (Smith): Mar, 61
Wind-Load Standards to Yagi Antennas, Practical Application of: Part 2 (Koning): May, 61; (Bonney): May, 61

Next Issue in QEX: Jul, 64; May, 62; Mar, 57; Sep, 64; Jan, 62

RF (Lau)

70-cm Power Divider, A: Jul, 56
Accurately Modeling Capacitor Q in ARRL Radio Designer: Nov, 00
Adding an Amplifier with a Transfer Switch: Mar, 55
Low-Loss 50:450-( MF/HF Transformer, A: Sep, 57
Solid-State Microwave Power Amplifiers, Building: Jan, 58
Transmission Lines and Amateur Radio Designer: May, 58; feedback Jul, 64

Sidebars

Better Mousetrap, A (in "Performance Specifications for Amateur Receivers of the Future"): May, 49
Convolutional Code, The (in "PSK31: A New Radio-Teletype Mode"): Jul, 9
Cross-Flo Principles, Some Notes On (in "Practical Applications of Wind-Load Standards to Yagi Antennas"): Mar, 49
Is PSK31 Legal? (in "PSK31: A New Radio-Teletype Mode"): Jul, 9
Modeling Closely Spaced Wires with NEC-2 (in "The Multiband Extended Double Zepp and Derivative Designs"): Jul, 37
Tools for Interdigital Filter Construction (in "Waveguide Interdigital Filters") (Wade): Jan, 7
What about Ground Effects? (in "The Multiband Extended Double Zepp and Derivative Designs"): Jul, 38

Strays

New Amateur Radio DX Information Page: Sep, 64
Write for QEX: Sep, 64

Technical Articles

3CX800s for 6 Meters, A Pair of (Hanson): Jan, 22; feedback, Jul 64 
10 GHz Remote-Control System for HF Transceivers, A (Beals): Mar, 9
100-W MOSFET HF Amplifier, A (Sabin): Nov, 00 (See also "Diplexer Filters . . ." and "Power Supply . . ."
300-W MOSFET Linear Amplifier for 50 MHz, A (Frey): May, 50
A-Frame Mast, Inexpensively, A Large (side bar to "Another Way to Look at Vertical Antennas"): Mar, 7
Bedford Receiver, The: A New Approach (Green): Sep, 9
Better Mousetrap, A (sidebar to "Performance Specifications for Amateur Receivers of the Future"): May, 49
Calibrated Panoramic Adapter, A (Dildine): May, 9
Center-Loaded Whip Antenna Loss (Bingeman): Jul, 17
Cheap Sweep, The (Hoover): Jan, 54
Compact Mobile Tuner, A (Wintheiser): Jan, 28
Convolutional Code, The (sidebar to "PSK31: A New Radio-Teletype Mode"): Jul, 9
Cross-Flo Principles, Some Notes On (sidebar to "Practical Applications of Wind-Load Standards to Yagi Antennas"): Mar, 49
Current Sources (Cope): Sep, 55
Dentron MLA2500 HF to 6-Meter Conversion, A (Worsham): Mar, 38
Digital Commutating Filter, A (Kossor): May, 3
Digital-Receiver Design, Basics of (Brannon): Sep, 36
Diplexer Filters for an HF MOSFET Power Amplifier (Sabin): Jul, 20
Distortion in Linear Amplifiers, Measuring (Schreuer): May, 55
Double-Tuned Active Filter with Interactive Coupling, A (Heemstra): Mar, 25
Handy Coil Winder, A (Dildine): Jan, 51
HF Whips on Cars, Campers and RVs (Madle): May, 32
High-Performance Homebrew Transceiver, A (Mandelkern): Part 1 Mar, 16; Part 2 Sep, 3; Part 3 Nov, 00
Homebrew Logic Analyzer, A (Cicchinelli): Nov, 00
Interdigital Filter Construction, Tools for (sidebar to "Waveguide Interdigital Filters") (Wade): Jan, 7
Low-Distortion Receiver Front End for Direct-Conversion and DSP Receivers, A (Rohde): Mar, 30
Modeling Closely Spaced Wires with NEC-2 (sidebar to "The Multiband Extended Double Zepp and Derivative Designs"): Jul, 37
Multiband Extended Double Zepp and Derivative Designs, The (Zavrel): Jul, 34
Narrow-Band Doppler Spectrum Techniques for Propagation Study (Martinez): Sep, 45
New Look at the Gamma Match, A (Barker): May, 23
Noise/Gain Analyzer, A (Smits): Nov, 00
Parabolic Dish Feeds-Phase and Phase Center (Wade): Sep, 24
Performance Specifications for Amateur Receivers of the Future (Graf): May, 43
Phase 3D's 10.4-GHz Downlink: A Project Study Report, Preparing to Receive (Maier): Jul, 44
Phase-Noise Measurement, Experiments with (van der List): Jan, 31
Polarization Modulation: A Technique Worth Investigating (Nichols): Mar, 34
Power Supply for a MOSFET Power Amplifier (Sabin): Mar, 50
PSK31 Legal?, Is (sidebar to "PSK31: A New Radio-Teletype Mode"): Jul, 9
PSK31: A New Radio-Teletype Mode (Martinez): Jul, 3
Radiation-Pattern Plots, Creating 3-D Antenna (Smith): Jul, 40; feedback Sep, 62
Receiver Band-Pass Filters Having Maximum Attenuation in Adjacent Bands (Wetherhold): Jul, 27
Regulated 2400-V Power Supply, A (Williams): Jul, 50
Signal Sources (Pontius): Nov, 00
Stable, Low-Noise Crystal Oscillator for Microwave and Millimeter-Wave Transverters, A (Stephenson): Nov, 00
Standard Application-Programming Interfaces (APIs) in Amateur Radio, The Need for (Dobranski): Jan, 19
Switching Power Supply for Beginners, A (Mack): Jul, 10
Technology and the Future of Amateur Radio (Smith): Nov, 00
Temperature-Compensated DDS VFO, A (Preuss): Jan, 42
Transverter-Spur Identification, No-Tune (McKay): Jan, 56
Tune SSB Automatically (Dick): Jan, 9
Underground HF Antennas (Bingeman): Sep, 52
Vertical Antennas, Another Way to Look at (Severns): Mar, 3
Waveguide Interdigital Filters (Wade): Jan, 3
What about Ground Effects? (sidebar to "The Multiband Extended Double Zepp and Derivative Designs"): Jul, 38
Wind-Load Standards to Yagi Antennas, Practical Applications of (Bonney): Part 1 Jan, 46; Part 2 Mar, 44

Upcoming Technical Conferences

17th Space Symposium and AMSAT-NA Annual Meeting, The: Sep, 63
18th Annual ARRL and TAPR Digital Communicaitons Conference: Jul, 59; Sep, 63
33rd Annual Central States VHF Conference Announcement: May, 60
'99 QRP-ARCI Conference: Mar, 58
1999 IEEE MTTS International Microwave Symposium, The: May, 60
1999 Southeastern VHF Society Technical Conference: Mar, 58; Nov, 00
AMSAT-NA Call for Papers: May, 60
EME 2000 Brazil Conference: Sep, 64
EME Symposium 99: Jul, 59
Microwave Update '99: Sep, 63
Western States Weak-Signal Society Conference: Jul, 59

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