Amateur Radio Club & Repeater Network





Articles & Presentations


Information about the D-Star digital radio systems and our

D-Star compatible repeater.

More information >>

Repeater Control Systems

The heart of the Bay-Net network is the Sierra Radio repeater control system.  These controllers support up to 8 ports and can be used for repeaters, links, IRLP nodes, remote base stations, etc.

More information >>

Your Personal Go Kit

Personal Go Kit for Emergency Communications.  This is a great PDF file created by Dan O’Connor KE7HLR delivered at EMCOMWEST

Latest 2011 version >>

Original 2008 version >>

D-Star Panel Presentations  (Pacificon 2010)

D-Star Intro by George Zafiropoulos KJ6VU, D-Star for Beginners by Rick McCusker WF6O, Building a D-Star Hot Spot by Jim Moen K6JM,  Linux-based D-Star compatible repeater software by David Lake G4ULF

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Building an Inexpensive D-Star Compatible Repeater (Pacificon 2010)

Rich KC6OBJ and David KG6TAA built a new D-Star compatible repeater providing coverage at Lake Oroville, CA.  Presented at Pacificon 2010 by Rich Timpa KC6OBJ.

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JT65A Weak Signal HF  (Pacificon 2010)

This is an excellent overview of the JT65 weak signal mode used on the HF bands.  This presentation was delivered at Pacificon in 2010.
By David Witkowski, W6DTW

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A Practical Guide to Designing Ham Radio Projects With PIC Microcontrollers

This presentation gives a broad overview of microcontrollers, parts selection, hardware and software development tools and simple examples.  

By George Zafiropoulos, KJ6VU

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Building a D-Star Hot Spot  (Pacificon 2010)

This is a great overview of the process of building a D-Star compatible hot spot.  

By Jim Moen, K6JM

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IRLP & Echolink

IRLP and Echolink voice over IP (VOIP) services allow connections to thousands of repeaters
all over the world.  

More information >>

San Bruno Fire - “The First 40 Minutes”   (Pacificon 2010)

This presentation describes the American Red Cross communications response to the tragic San Bruno fire.  The Bay-Net system was the main communications link between the Red Cross offices, San Bruno EOC, ICP and evacuation centers.  Presented at Pacificon 2010 by Rob Goodson, N2RAG, of the American Red Cross.

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How to Identify Digital Phone Modes on VHF/UHF

By David Witkowski, W6DTW

This presentation provides recorded audio and pictures of spectra of various digital systems so that hams without digital gear can identify the modes they might hear on VHF/UHF bands

Covers: D-Star, APCO Project 25 “P25”, NXDN, DMR Tier 2 (functionally akin to MotoTRBO

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Introduction to D-Star

By George Zafiropoulos, KJ6VU

This presentation is an overview of the D-Star digital radio system, how it works, and how we built our own non-Icom D-Star compatible repeater system.

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Microcontroller Apps for Ham Radio Projects

By George Zafiropoulos, KJ6VU

This presentation is an introduction to using microcontrollers for ham radio projects.  Several examples are illustrated using the HamStack microcontroller platform.

Presented at Pacificon 2011.

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Building an Inexpensive D-Star Compatible Repeater

By Rich Timpa, KC6OBJ

This presentation shows how to build your own D-Star repeater and introduces you to many new advanced D-Star features including ircDDB, MONLINK, G2 gateway and STARnet.

Presented at Pacificon 2011.

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Portable J-Pole Antennas for VHF & UHF

By Edison Fong, WB6IQN

Learn to build a highly portable J-Pole antenna from common 300 Ohm twin lead wire.  This is an inexpensive, high-performance dual-band base antenna that costs less thn $10.  

Ed Fong, explains how its done in these informative articles.

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70cm Control of R/C Aircraft With FPV Flying

By Jason Howard, K6DGN - Presented at Pacificon 2013

Using 70cm digital spread spectrum technology to achieve very long range R/C control in addition to onboard video transmitters allowing the flying of a model as if you were sitting in the cockpit. Jason Howard will go over hardware options, cost of entry, frequencies, legalities, antennas, and different types of models.                                                                         Download >>

Rig Control Using IoS and Android

By Nick Garner, N3WG - Presented at Pacificon 2013

This presentation will show the lessons learned and methods employed to enable smartphones and mobile tablets to control amateur radios. We will look at the journey taken by N3WG of Pignology, LLC to enable rig control using a small hardware device called Pigtail within his logging application "HamLog" on iOS, Android and Mac OSX.                                                     View the Video >>

How To Build an HF Antenna Analyzer for Under $50

By Beric Dunn, K6BEZ - Presented at Pacificon 2013

This presentation will show how to construct and use an HF Antenna Analyzer using a Windows PC, micro-controller, and DDS evaluation board - total cost (less the PC) of the necessary components is under $50.

Go to Project Gallery page with downloads

Building a Remotely Controlled Amateur Radio Station

By George Zafiropoulos, KJ6VU - Presented at Pacificon 2013

There are many options for remote radio control and audio streaming but what about the rest of the station?  In this presentation will discuss remote station control requirements and look at how George, KJ6VU, developed a station control system to monitor and control the remote station's environment.

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Amateur Radio with Linux

By David Ranch, KI6ZHD - Presented at Pacificon 2013

This talk is meant to to interest both the Linux novice as well as the Linux expert.  We cover what's available for Amateur Radio that can be run on Linux covering a broad array of interests.  You will learn how you can try Linux on your own computer without touching your hard drive!                                                                                                               Download>>

Portable 20 Meter Delta Loop

By Mike Yamamoto, KI6OID

Mike walks you through the construction of a 20 meter wire delta loop antenna and mounting base.  This antenna has been used at our antenna shootout and Field Day events.  It has excellent low noise performance and is very portable for it’s size and performance.

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KJ6VU Go Kit

By George Zafiropoulos, KJ6VU

A new take on the modular Go Kit.  Inspired by KE7HLR, this system shows how to create a modular system that will keep your gear organized and ready for any field operating opportunity.  A short day hike, overnight camp out or serious Field Day event.  This is rev 1 so look for more updates.

Ham Radio 101 - New Technician

Jason K6DGN, George KJ6VU

“Ham Radio 101” for new Technician class licensees focuses on VHF and UHF equipment, operating, and best practices.  You got your tech, now what !??!?!

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Ham Radio 201 - New General / Extra

Beric K6BEZ, George KJ6VU

“Ham Radio 201” for new General and Extra class licensees focuses on HF equipment, operating, and best practices.  You upgraded, now what !??!?!

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PackTenna - Portable Wire HF Antenna System

George KJ6VU

The PackTenna is a modular, portable HF wire antenna system that can be configured as a dipole, vertical quarter wave ground plane, inverted bee, random long wire, etc.  System components include fiberglass mast, wire elements, balun, UNUN, in-line choke and light weight hardware.

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Building a CobWeb Antenna - Compact Multi-Band HF Dipole

John, KJ6K

The cobwebb is a 5 band (14 to 28 MHz) antenna that is small, lightweight, strong, only requires a single support, needs no rotator, and gives full size dipole performance on all 5 HF bands with an omni directional pattern.  This presentation shows improvements to the basic design and parts list.

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Automated HF Antenna Shootout - Methods and Results

Beric, K6BEZ

This presentation shows the method developed by Beric, K6BEZ, to measure the relative performance of HF antennas using JT65.  The hardware and software developed automatically switches between two antennas while running the test.  Results are gathered from listening stations around the world.

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Ham Radio 301 - Portable HF Operations

Nick, N3WG

“Ham Radio 301” is an “upper division” course covering aspects of portable HF radio operations including radios, antennas, logging, accessories, etc.

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