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The 22nd Annual Microwave Update 2007 was held October 18-20, 2007, in Philadelphia, Pennsylvania. Here is a summary of papers presented. Conference Proceedings are available print on demand from Lulu. Cost is $20, plus shipping; ISBN: 0-87259-107-7
Table of Contents
Pack Rat President’s Welcome
History of Microwave Update
Pack Rat History
Club Officers & MUD Chairpersons
The Rover Recognition Award
Biographies
Small Dishes for Portable 1296 EME; Allen Katz, K2UYH
The Flexible DFS; Dave Powis, G4HUP/ND8P
Xlock – Yet Another Lock Getting accurate frequencies up to the mm waves; Christopher Huygens, ON4IY and Hans Wagemans, ON4CDU
2007 Status of Progress Towards a 77-78 GHz Amateur Amplifier; Tom Williams, WA1MBA
Applications of mm-wave SIS Receiver Technology at the Owens Valley Radio Observatory; Doug Millar, K6JEY
Approaches to Building Simple 47 and 78 GHz Transverter Systems; Doug Millar K6JEY
MAP65: A Panoramic, Polarization-Matching Receiver for JT65; Joe Taylor, K1JT
47 GHz VUCC from Mt. Washington; Michael E Seguin, N1JEZ
AMSAT’s Phase IV (lite); Bob McGwier, N4HY
Enhancing the OK1DFC Square Septum Feed With a Choke Ring or Chaparral-style Horn and A Comparison of some Septum Polarizers; Paul Wade, W1GHZ
3.4 GHz Moonbounce Made Easy; Barry Malowanchuk, VE4MA
Designing Stability into Low Noise Amplifiers for 1296 MHz and 2304 MHz; Al Ward, W5LUA and Tommy Henderson, WD5AGO
A VHF and Up Operator’s Discussion of Useful DSP Software and Hardware; Roger Rehr, W3SZ
Remote Monitoring for the Spectrian 2304MHz Amplifier; David Robinson, WW2R/G4FRE
Calculating Cutoff Frequencies; Paul Goble, ND2X/5
Microwave SDR Project; Grant Hodgson, G8UBN
Surplus Power Amplifiers from Digital Communication Services; Steve Kostro, N2CEI
Rover Enhancements; Stephen Hicks, N5AC
A Simple External Reference Source for Testing Microwave Brick Oscillators; John M. Franke, WA4WDL
TVRO DRO 10 GHz Marker and Test Source; John M. Franke, WA4WDL
Some Tools and Techniques for the Home Brewer; By Chuck Hoover, KØVXM
Establishing Contact: An EBE Caller / Interval Signal; Wayne Yoshida, KH6WZ
Building the DFS9096; Dave Robinson, WW2R/G4FRE
Pipe-cap Filter Construction; Don Nelson, NØYE
A Simple Harmonic Generator for VHF-Microwave Applications; John Miles, KE5FX
Improving Warm-up Time and Frequency Stability of Microwave Bricks; Frank Kelly, WB6CWN
Constructing an IMU Horn for 78 GHz; Ken Schofield, W1RIL
Mounting and Feeding the Edmund’s 1 Foot Dish for 47 and 78 GHz Operations; Ken Schofield, W1RIL
A Remotely Adjustable Feed for Microwave Dishes – Or Don’t Throw those Inkjet Printers Away!; Dave Powis, G4HUP/ND8P
26th ARRL and TAPR Digital Communications Conference
The 26th ARRL and TAPR Digital Communications Conference was held September 27-29, 2007, in Hartford, Connecticut. Here is a summary of papers presented. Conference Proceedings are available print on demand from Lulu. Cost is $20, plus shipping; ISBN: 0-87259-105-0
Table of Contents
The FSM Virtual Radio Kernel: Why, What, & How (In That Order); ..... Frank Brickle, PhD, AB2KT
The APRS Local Voice Repeater Initiative; Bob Bruninga, WB4APR
NUE-PSK31: A digital modem for PSK31 field operation… without using a PC!; Milton Cram, W8NUE, and George L. Heron, N2APB
SourceForge, Hamlib, and Rigserve: Free Beer, Free Speech, and Rig Control; Martin Ewing, AA6E
The Nordic nRF2401 Single Chip Data Transceiver: High Speed, Short Range Data Communication At An Extremely Low Cost; John A. Hansen, W2FS
Transmission Lines, Parameters, and Application in Communications Systems; Hank Javan and Jerry Newman
Direct Conversion Receiver With Computerized SSB Demodulation; .......... Patrick Lindecker, F6CTE
APRS® and D-STAR® = D-PRS™; Peter Loveall AE5PL
AMSAT’s Phase IV (lite)?; Bob McGwier
On A Method for Automatic Image Balancing in IQ Mixer Based Software Defined Receivers; Bob McGwier, N4HY
TPSK31: Getting the Trellis Coded Modulation Advantage; Bob McGwier, N4HY
The Integration of Amateur Radio and 802.11; Roderick D. Mitchell, KL1Y
Results of HF Digital Protocol Survey; Paul L Rinaldo, W4RI
Ranking Digital Modes for a "Stealth" QTH; Ed Sack, W3NRG
Bringing New Life in Old Computers; Miroslav "Misko" Skoric, YT7MPB
Alternate Uses for the APRS Data Stream Using APRS Mobile Trackers for Distributed Site Surveys; Darryl Smith, VK2TDS
Growing APRS' Value within the Emergency First Responder Community; Ev Tupis, W2EV
Performance Modeling of TCP and UDP over Packet Radio Networks using the ns-2 Network Simulator; Paul D. Wiedemeier, Ph.D., KE5LKY
The Flex 5000 and SDR Software; Gerald Youngblood, K5SDR and Bob McGwier, N4HY
Central States VHF Society Conference
The 2007 Central States VHF Society Conference was held July 26-29, 2007, in San Antonio, Texas. Here is a summary of papers presented. Conference Proceedings are available print on demand from Lulu. Cost is $20, plus shipping; ISBN: 0-87259-998-1
Table of Contents
Welcome to the 41st Anniversary Conference
2007 Central States VHF Society Officers
CSVHFS 2007 Technical Talks and agenda
CSVHFS 2007 Family Program and Agenda
Author and Speaker Biographies
PROPOGATION:
Solar Cycles and Cycle 24 Predictions, by Jim Kennedy, KH6/K6MIO
The 2006 Japan to USA Es Openings, by Jon Jones, NØJK
DIGITAL MODES, WSJT, JT65:
Using the SDR-IQ for EME, Application to Random QSO’s with JT65, by Edward Cole, KL7UW
WSJT – Beyond Traditional Modes, by Jim McMasters, KM5PO
EME:
Backyard Microwave EME, by Dave Robinson, WW2R
KH7X EME From Hawaii on 23 and 13 cm, by Bruce Clark, KØYW
DIGITAL SIGNAL PROCESSING, DSP:
The 85 dB Solution, Analog in the Digital Age, by George Munsch, W5VPQ
ANTENNAS:
Antenna Modeling, Mike Watson, W5UC
Reinventing the Wheel, Part 1: Why the Big Wheel is Too Big, by Tom Haddon, K5VH
CONSTRUCTION:
Rovers from the Ground Up, by Marshall Williams, K5QE
A Two Meter Converter for the SoftRock SDR, by Ken Kaplan, NØGZ
Old Dogs Can Teach Themselves New Tricks, by Nick Pugh, N5QXJ
80 GHz Dual Mode Dish Feed, by James L. Hudson, WA5JAT
Some Notes on Drilling and Tapping, by Chuck Hoover, KØVXM
High Efficiency CP Feedhorn for 6 cm, by Thomas Henderson, WD5AGO
RF POWER AMPLIFIERS:
Satellite Radio Surplus 2.3 GHz Power Amplifiers, by Steve Kostro, N2CEI
The Care and Feeding of Low Cost, High Power Tubes and Amplifiers, by Peter Shield, G8BXM
LOW NOISE PREAMPLIFIERS:
Designing Stability into Low Noise Preamplifiers for 1296 MHz and 2304 MHz, by Al Ward, W5LUA
SOFTWARE-DEFINED RADIO, SDR:
Introducing the FLEX-5000, by Gerald Youngblood, K5SDR
Using the Soft Rocks as Microwave IF Spectrum Analyzer, by Al Ward, W5LUA
TEST EQUIPMENT:
GPS Disciplined Oscillators, by Richard C. Allen
Noise and Noise Figure, by Charles S. Osborne, K4CSO
Time & Frequency Standards, by Charles S. Osborne, K4CSO
OPERATING, CONTESTING, ROVING, DXpeditions:
Rovermania, The ARRL UHF Contest in NLRS Land, by Jon Platt, WØZQ
Contesting on the Ultra-Highs – The Early Years of VHF Contest Activity, by Kevin Kaufhold, W9GKA
DXing Above HF Simple Rovers, by Marshall Williams, K5QE and Gary Nations, N5KDA
CSVHFS Historical Information, Awards Programs, Etc.:
The Central States VHF Society, A Short History (with Wilson and Chambers Awards), by Bill Tynan, W3XO
CSVHFS Antenna Measuring Results, Bloomington, MN, July 28, 2006
Noise Figure Measurements, 2006 Results
States above 50 MHz Award
Reverse VUCC Award Program
Prize Donors, Many Thanks from CSVHFS
ARRL Guidelines for Papers for Conference Proceedings
How it is Done, The Technical Program for a Conference
The 26th Anniversary Conference of the Society of Amateur Radio Astronomers was held July 1-3, 2007, in Green Bank, West Virginia. Here is a summary of papers presented. Conference Proceedings are available print on demand from Lulu. Cost is $20, plus shipping; ISBN: 0-87259-997-3
Table of Contents
Present and Future Radio Spectrum Trends: Their Impact on Radio Astronomy; Andrew W. Clegg
Carbides if Present in Stellar Dust and Origin-of-Life Precursors; William L. Marshall
Presenting a Talk on Radio Astronomy; Jon Wallace
A Review of Interstellar Chemistry (Or – “What you could observe if you had a GBT in your backyard”); Bruce Lerner
Solar SID and Whistler Radios; Jon Wallace
Designing a Tunable LO for ELF Measurements; Paul L. Oxley
A Year of GNU Radio and SDR Astronomy: experience, practice and observations; Marcus Leech, VE3MDL and David Ocame, N1YVV
Gamma Ray Bursts and Amateur Radio Astronomy: Preliminary Findings; John C. Mannone
Shouting in the Jungle: The SETI Transmission Debate; Paul Shuch and Iván Almár
Archimedes’ Lever: How Long is ‘Long Enough’?; H. Paul Shuch, Ph.D.
Noise and Noise Figure; Charles S. Osborne, K4CSO
Time & Frequency Standards; Charles Osborne, K4CSO
Scheduling, Automation, and Control in Astronomical Instrumentation; Jasem K. Mutlaq
SARA Author/Speaker Biographies; David E. Fields, N4HBO
RADIO ASTRONOMY — Journal of the Society of Amateur Radio Astronomers, Special Winter Issue: January February/March 2007
Southeastern VHF Society Conference Proceedings
The 2007 Southeastern VHF Society Conference was held April 27-28, 2007, in Atlanta, Georgia. Here is a summary of papers presented. Conference Proceedings are available print on demand from Lulu. Cost is $20, plus shipping; ISBN: 0-87259-994-9
Table of Contents
Welcome
Technical Program
Directly Synthesized 47 GHz Local Oscillator; Garry C. Hess, K3SIW
Some Notes on Drilling and Tapping; Chuck Hoover, KØVXM
Some Ideas for Tower Trailers; Bob Lear, W4ZST
Noise and Noise Figure; Charles S. Osborne, K4CSO
Time & Frequency Standards; Charles Osborne, K4CSO
VHF Digital Voice Transceiver; Moe Wheatley, AE4JY
A PVC Antenna Mount for Big Rovers
Efficient Circular Polarized 13cm Feedhorns in Low f/D Prime Focus Parabolic Reflectors; Tommy Henderson, WD5AGO, and CAD by Paul Wade, W1GHZ
Deep Space Reception; Paul Marsh, MØEYT
Commanding the AO-51 Satellite via UHF/VHF Links; Gould Smith, WA4SXM
Are You Wired for 220?; By Ben Lowe, K4QF
Wire-Grid Polarizers: The Key to a Better Antenna; Philip Gebhardt, VE3ACK
Low Cost Bi-Directional VHF/UHF Gain Antennas; Bill Fisher, W4GRW, and Ron Bailey, AA4S
A Diamond Jubilee; L. B. Cebik, W4RNL
Modifying the Motorola SRF2290B Low Noise Amplifier; Tim Marek, K7XC
12.5 GHz and Counting; John M. Franke, WA4WDL
A Heater Sleeve for Quartz Crystals; Chuck Hoover, KØVXM
Optimized Dual-mode Feedhorns; Paul Wade, W1GHZ
Worked All of ’EM Award
The K4UHF Award
Results of the 2006 Southeastern VHF Society/Mini-Circuits Annual Award for Design Achievement
2006 50 MHz SVHFS Fall Sprint
RESULTS: 2m Fall Sprints 2006
RESULTS: 222 Fall Sprints 2006
RESULTS: 432 Fall Sprints 2006
RESULTS: Microwave Fall Sprints 2006
2006 SVHFS Antenna Range Results
2006 Southeastern VHF Conference Noise Figure Measurements
SVHFS 2006 Conference Banquet Prize Donors
