How to Set Up and Operate an SDR Receiver by Scott Cowling, wa9dfi

Presented to MARCA on March 17th, 2015

Wildernets presented by Keith Williamson, kd7drv, to MARCA on 17 Novembet 2015. Wildernet is  wifi approach to providing phone and internet infrastructue to a isolated area.

RTL SDR V5 presentation to MARCA by Jim Gerwitz AC7FN on 19 January 2016

SDR for Digital Modes

PC Setup For WSPR and DC-SDR

Going Digital with a DC-SDR Using Windows PowerSDR & WSPR

Presented by Norm Johnson, AA7OO

ARRL Southwest Division Conference & Yuma Hamfest 2016

Mesh RECON presented by Gary Hinton, ac7r, on 15 November 2016.

Gary's presentation provides a history, overview of equipment, network topology, and demonstrations.

Download is for .pdf file. View is of the .pdf file.

Ham Radio, Software Defined Radio (SDR), Computers and the Internet by Pete Leahy, W7GDU.

Presented to SARC November 2016.

Download is the .pdf file. View is of the .pdf file.

W7MOT update on G2 to G3 including overview of current operational status. An outline of project approach describing opprotunities for member indepth learning experience. Presented at the February 2017 General Membership Meeting.

Home Brew SWR Bridge by Dusty Morris, W7ITM

This is the QEX article viewable with permission of QEX

The file viewed here is a QEX article that Dusty referenced heavely. The article is viewable with permission extended to Dusty by QEX. Dusty  guided the talk throught the concepts of complex SWR measurements following the article. Dusty built a bridge similar in the article and described how to use it. Pictures of the bridge are viewable in Home Brew SWR Bridge Picture 1 and Home Brew SWR Bridge Picture 2 (the next files below)

Home Brew SWR Bridge by Dusty Morris, W7ITM

This is Picture 1

The file viewed here is a QEX article that Dusty referenced heavely. The article is viewable with permission extended to Dusty by QEX. Dusty  guided the talk throught the concepts of complex SWR measurements following the article. Dusty built a bridge similar in the article and described how to use it. Pictures of the bridge are viewable in Home Brew SWR Bridge Picture 1 and Home Brew SWR Bridge Picture 2 (the next files below)

Home Brew SWR Bridge by Dusty Morris, W7ITM

This is Picture 2

The file viewed here is a QEX article that Dusty referenced heavely. The article is viewable with permission extended to Dusty by QEX. Dusty  guided the talk throught the concepts of complex SWR measurements following the article. Dusty built a bridge similar in the article and described how to use it. Pictures of the bridge are viewable in Home Brew SWR Bridge Picture 1 and Home Brew SWR Bridge Picture 2 (the next files below)

AMSAT presentation by Patricki\ Stoddard wd9ewk to MARCA on 16 January 2018

Dstar G3 Review Nov 2019

Recap of Workparty activity and status of W7MOT

Dstar-W7MOT-presentation Nov 2019

Overview of W7MOT Dstar Status and DStar Usage

Drones and Amateur Radio

Presented September 2019

Lithium Battery Oct 2019 by Norm Johnson, aa7oo

Presented October 2019

FT8 Phaser Presentation For Marca

Why We Tune Antennas

by Dave Campbell, AE7WU

Presented to MARCA 18 Feb 2020

Sim Smith by Paul Bennett, KD7KDO on 19 May 2020

Supplimentary information to accompany the Video Presentation

Field Day 2022 by Paul Bennett, kd7kdo PDF