Blj Electronics Amplifier

Mobile and Portable Operation of Voice Mode Satellites, Chuck Duey, KI0AG

WATOO: An Internet Access Software to a Satellite Tracking Station, Marc Normandeau, Steve Bernier, Jean-Marc Desbiens and Michel Barbeau

Satellite Technology for Newcomers: The "Weather Channel" Model, Rich Moseson, W2VU

"They Never Told Me Not To": An Innocent is Seduced by Centimeter Waves, Laura Halliday, VE7LDH

An EZ-Sat Proposal, Frederick J. Winter, N2XOU, and Ken Ernandes, N2WWD

An Object Oriented Approach to Automatic Radio Tuning, Anthony Monteiro, AA2TX A Simple BPSK Software Modem,

Douglas D. Quagliana, KA2UPW

Developing Portable Satellite Software Using Java, John Melton, G0ORX/N6LYT

How the Internet and Free Software Help AMSAT, Bdale Garbee, N3EUA Design of a Space Image Processing System, Robert A. Hillman and Mark W. Maier

Phase-3D GPS Receiver Progress Report, Bdale Garbee, N3EUA

Introduction to Amateur SETI, H. Paul Shuch, N6TX

Alternative Start Sequences and Orbital Evolution of P3D, Viktor W. Kudielka, OE1VKW

A Practical Guide to P3D Operation on Mode L and Above, Ed Krome, K9EK Amateur Radio Satellite Imaging— Past, Present and Future, Graham Ratcliff, VK5AGR

A Phase 4 Lite Proposal, Philip Chien, KC4YER

Digital Voice Moduation for a Future Generation of Ham Satellites, Daniel Schultz, N8FGV

A Candidate Orbit for Future AMSAT Spacecraft, Ken Ernandes, N2WWD

Selecting Orbits for LEO Constellations: SSB/CW Communications, Martin Davidoff, K2UBC

Amateur Radio On-Board the International Space Station, Frank Bauer, KA3HDO, and Will Marchant, KC6ROL

31st Central States VHF Society Conference

The 31st Central States VHF Society Conference was held July 24-26, 1997, in Hot Springs Arkansas. Here is a summary of papers presented. Conference Proceedings are available from ARRL. ISBN: 0-87259-630-3; cost is $15, plus shipping; order number: 6303.

A Brief History of the Central States VHF Society

Chambers Award Recipients Wilson Award Recipients Obtaining Higher Power Above 70 cm; Barry Malowanchuk, VE4MA

6 Meter EME - Past, Present & Future; Robert Magnani, K6QXY, and Allen Ferrera, WA6MXI

A Possible Phase 3D Follow-on Project; Bill Tynan, W3XO

STAR1, A Spectral and Temporal Analysis Receiver for Advanced SETI; Dr. Paul Shuch, N6TX

A Cool 144 Mhz Amplifier of Coaxial Design; Steve Gross, N4PZ

Power Amplifier Ideas Using the 4CX250 Tubes on 144 Mhz; Thomas Henderson, WD5AGO

Horns for the Holidays; Joel Harrison, W5ZN

Dual Band Feed Horns for 2304/ 3456 MHz and 5760/10368 MHz; A1 Ward, WB5LUA

Exposure Limits and Measurement of Radio Frequency Radiation; W. D. McCaa, K0RZ

EMI In the Ham Shack; Wes Atchison, WA5TKU

Amateur Radio and the World Wide Web; Matt Whitted, KB80IU

Moon Data Update - 1998 and Related EME Trivia; Derwin King. W5LUU

Improving Receiver Sensitivity of the IC202S; Dave Robinson, WW2R

An Improved Preamplifier for the Teletec DXP-V220; Dave Robinson, WW2R

World Above 50 Mhz Preliminary

Six-Meter DXCC Firsts; Emil Pocock, W3EP

L Band Amplifier Using the ATF-36077 Low Noise PHEMT; A1 Ward, WB5LUA

Using the ATF-10236 In Low Noise Amplifier Applications In the UHF through 1.7 GHz Frequency Range; A1 Ward, WB5LUA

NTMS LP Antenna; Kent Britain, WA5VJB

RADAR Target; Kent Britain, WA5VJB

A Shoe for 5760 MHz; Joel Harrison, W5ZN

Standard Gain Horns for 1296 MHz and 2304 MHz; A1 Ward, WB5LUA

Weak Signal Source for 2,3,5, and 10 GHz; A1 Ward, WB5LUA

An Andrew Cable Primer; Tom Whitted, WA8WZG

You Know You Are a Redneck Ham When; Gary Gerber, KB0HH

Central States VHF Society 1995 Antenna Gain Results

Central States VHF Society 1995 Noise Figure Results

Central States VHF Society 1996 Antenna Gain Results

Central States VHF Society 1996 Noise Figure Results

North American VHF and Above DX Records

Eimac 7034/4X150A Data Sheets Eimac 7203/4CX250B Data Sheets Eimac 7580W/4CX250R Data Sheets Eimac 7289/3CX100A5 Data Sheets

16th ARRL and TAPR Digital Communications Conference

The 16th ARRL and TAPR Digital Communications Conference was held October 10-12, 1997, in Baltimore, Maryland. Here is a summary of papers presented. Conference Proceedings are available from ARRL. ISBN: 0-87259-636-2; cost is $15, plus shipping; order number: 6362.

Amateur Radio and the Linux Operating System, John B. Bandy, W0UT Amateur Radio on Manned Space Vehicles: Improving Amateur Radio's Future Through Enhanced Space Frequencies, Frank H. Bauer, KA3HD

Proposal: An AMSAT Mobile TRAKNET, Bob Bruninga, WB4APR APRS Vision System, Bob Bruninga, WB4APR

APRServe: An Internet Backbone for APRS, Steve Dimse, K4HG

Keypad Interface Language, Roy Ekberg, W0LIQ, and Martin Schroedel, K9LTL

An All-Software Advanced HF Modem for Amateur Radio, Matthew Ettus, N2MJI

Detection & Estimation of Covert DS/SS Signals Using Higher Order Statistical Processing, Mamdouh Gouda, Ernest R. Adams and Peter C. J. Hill

Ham Web: Rethinking Packet Radio, John Hansen, WA0PTV

Wireless In Ulaan Bataar, Dewayne Hendricks, WA8DZP

Management of TNCs by Means of the Simple Network Management Protocol, H. Hmida, VA2HLH, and M. Barbeau, VE2BPM

North American Digital Systems Directory (NADSD), Greg Jones, WD5IVD, and Carl Estey, WA0CQG TAPR Status Report on Spread Spectrum Activity in the Amateur Radio Service, Greg Jones, WD5IVD, and Dewayne Hendricks, WA8DZP

TCP Header Compression Accord-ingto Van Jacobson Via AX.25, Gunter Jost, DK7WJ/K7WJ

TCP/IP on FlexNet—Just Another Layer, Gunter Jost, DK7WJ/K7WJ

An Amateur 900 MHz Spread-Spectrum Radio Design, Tom McDermott, N5EG, Bob Stricklin, N5BRG, and Bill Reed, WD0ETZ

VHF/UHF/Microwave Radio Propagation: A Primer for Digital Experimenters, Barry McLarnon, VE3JF

Software Radio Technology Overview And Recent Progress, Joseph Mitola, III

PerlAPRS: An Automated Control Application for APRS Networks, Richard Parry, W9IF

Update on Digital Voice Technologies, Paul L. Rinaldo, W4RI

Using a PC and a Soundcard for Popular Amateur Digital Modes, Thomas M. Sailer, HB9JNX/AE4WA

Terminal Node Controllers—Towards The Next Generation?, Darryl Smith, VK2TDS

On-Air Measurements of CLOVER P38 Throughput, Ken Wickwire, KB1JY, Mike Bernock, KB1PZ, and Bob Levreault, W1IMM

23rd Eastern States VHF/UHF Conference

The 23rd Eastern States VHF/UHF Conference was held August 22-24, 1997, in Enfield, Connecticut. Here is a summary of papers presented. Conference Proceedings are available from ARRL. ISBN: 0-87259-633-8; cost is $15, plus shipping; order number: 6338. INTRODUCTION Conference Committee The Eastern VHF/UHF Conference Experience, Stan Hilinski, KA1ZE, Chairperson

The Eastern VHF/UHF Conference Trivia Quiz, Stan Hilinski, KA1ZE, Chairperson

1996 NEWS Convention Official Trivia Quiz, Gene Zimmerman, W3ZZ In Memoriam - Tom Kirby The Tom Kirby Award OPERATING RELATED TOPICS N.E.W.S. On the Hill, Fred Stefanik, N1DPM

Preliminary Six-Meter DXCC Firsts, Emil Pocock, W3EP

G3USF Worldwide List of 50 MHz Beacons, Compiled by Martin Harrison, G3TJSF

VHF/UHF Beacons, Compiled by Roil Klimas, WZ1V

Cycle 22 is Dead, Long Live for Solar Cycle 23!, Emil Pocock, W3EP

Tree Blockage - Attenuation & Black Body Radiation, Bruce Wood, N2LIV & Dick Knadle, K2RIW

10 GHz Sun Noise Measurements, Paul Wade, N1BWT

Microwave Show & Tell - Pictorial, Hank Lopez, N2MSS ANTENNAS

The Hygain 66B Revisited, Fred Stefanik, N1DPM

Four Elements Over Four Elements, Chris Fagas, WB2VW

Seven Elements on a 24' Boom, Ron Klimas, WZ1V

Silver Brazing for Better Microwave Antennas, Paul Wade, N1BWT

EQUIPMENT DESIGN & MODIFICATION

6 Meter Filters, Fred Stefanik, N1DPM

Traps for VHF Interference, Joseph Fleagle, W0FY

A Radio Amateur's Primer on Coplaner Waveguide, Jeff Kruth, WA3ZKR

A "Tri-Band Booster" or "Improving 2, 3 & 5 GHZ" at WA1MBA, Tom Williams, WA1MBA

Modifying the California Microwave 3.7 to 4.2 GHz Amplifiers to +12 V DC Operation, Zack Lau, KH6CP/1

A Power Supply Revision for the Avantek/HP AWP64100 6 GHz Power Amplifier, Jeff Kruth, WA3ZKR

Ordering Crystals for Phased Locked Oscillator Bricks, Paul Wade, N1BWT

10 GHz Qualcomm Modification Notes, Dale Clement, AF1T

2 Watts on 10 GHz, Ken Schofield, W1RIL

Care & Feeding of the Jeff Kruth TWT, Doug McGarret, WA2SAY

Dual Band Feedhorn for the DSS Offset Dish, Paul Wade, N1BWT

24 GHz LNA Update, Toshi, JE1AAH

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