Technical Library

In this section, the NTMS provides presentations which have been created by our members or significantly contribute to the advancement of the amateur microwave community.

For those of you wishing to acquire the generic NTMS Template for Microsoft PowerPoint, it may be found here.

Antennas

The 10 GHz Flyswatter experiment - Craig Young-KA5BOU (ppt) 900k

The NTMS 1296 Loop Yagi Project - Al Ward - W5LUA (pdf) 169k

The NTMS 1296 Loop Yagi Project Measurements - Al Ward - W5LUA (pdf) 50k

How To Play Radio with Hidden Antennae Eric Silverthorn -NM5M 1.2 MB

NTMS Beacon Antenna Update Young Atchison Robinson 2.3M

Design and build 23 cm Yagi using simple tools Atchison 1MB

Beacons

NT5NT 10G beacon - Dave Robinson (ppt ) 500k

W5HN Keyer Mark II Robinson (131k)

Circuit Design

Design Techniques for VHF & UHF LNAs- W5LUA (pdf) 1.1MB

Biasing MMICs - W5LUA (pdf) 377k

Biasing RF Bipolars - W5LUA (pdf) 417k

Switching Power Supplies Chuck Clark 573k

Designing Stability into 1296 MHz and
2304 MHz Low Noise Amplifiers Al Ward / Tommy Henderson 800kB

RFMD2360 Amplifier Keith Berglund 435kB

902 Transverter Ward (4.6Mb)

Progress Report with CT1DMK board (From Belton)-WA5TKU (ppt) 840k

Digital Modes

JT44 on 10 GHz -Joe Jurecka N5PYK (ppt) 75k

WSJT - Dave Robinson WW2R (ppt) 1.2M

DSP Based Radios

Building the DSP-10 (Updated for HamCom) - Dave Robinson (ppt) 600k

The Softrock 5 SDR - Al Ward (pdf) 1.4MB

Using the Soft Rocks as Microwave IF Spectrum Analyzers Al Ward 827kB

SoftRock 6.2 for 10m Al Ward (3 MB)

SoftRock RXTXv6.2 for 10 Meters Ward 3.5M

Using SDR as a Microwave IF Dave Robinson 2MB

802.11

WRT54G for HSMM - John Beadles (ppt) 797k)

Equipment Modifications

Qualcomm PA Retuning Techniques (AF1T)

Power hookup for RW-289 and RW-2135 TWT

Surplus 23G mixers for use on 24GHz - Al Ward (pdf) 31k

Surplus amplifiers for the vhf and up bands - Dave Robinson (pdf) 509k

Filters

Building VHF/UHF Cavity Filters from copper pipe - Joe Jurecka N5PYK (ppt) 270k

Feedline

Using standard PL-259 connectors with Andrew FSJ-1 Superflex - Bob Gormley WA5YWC (pdf) 550k

80 GHZ Feed - Jim Hudson WA5JAT (pdf) 420k

General

Hamcom Welcome to NTMS 2.8MB

VHF Contesting Survey - Stephen Hicks N5AC 700kB

Listening to the Japanese Lunar Prospectors Al Ward 4.5 Mb

Astro-Imaging or Receiving at 300nm to 750nm Wavelengths Atchison (3.2Mb)

GPS Timing and Locking / Frequency Standards

Microwave Frequency Standards - Jim Hudson WA5JAT (ppt) 8MB

Accurate timekeeping from GPS - Dave Robinson WW2R (pdf) 241k

The Shera Lock Box Revisited - Dave Robinson WW2R (ppt) 279k

N1JEZ The N1JEZ Simple GPS Stabilized 10 MHz Oscillator - Dave Robinson WW2R (pdf) 680k

Operating

2304 EME (Central States 2009)- Al Ward (pdf) 2.3MB

A Short Primer on Getting Started on 13 cm EME - Al Ward (pdf)

Backyard 1296 EME...What they didn't tell me - Dave Robinson (pdf) 1550k

Backyard Microwave EME - An update - Dave Robinson (pdf) 2.8 MB

1296 MHz EME Expedition to the Northeast US Al Ward 8.5 MB

Microwave EME Al Ward 1.2MB

Simple 10 GHz SSB/CW For the Beginner Bob Gormley 3.6MB

The Road to 1296 WAS Al Ward W5LUA & Paul Perryman WA5WCP 2.2Mb (pdf) (2008 EME Conference in Florence)

Doppler – How to use it Al Ward W5LUA 303k (pdf) (2008 EME Conference in Florence)

24 and 47 GHz EME Al Ward W5LUA 1,6 MB (pdf) (2008 EME Conference in Florence)

Backyard Microwave EME Dave Robinson, WW2R. 1.1MB (pdf) (2008 EME conference in Florence)


The revival of 9cm EME. Peter Blair G3LTF. (1.5 MB) (2008 EME conference in Florence)