HamCon Colorado 2025

Contribution List

15. "Locating and eliminating RFI"

10/24/25, 9:00 AM

Presentation

Starting with the psychology and "zen" of the process, then the specific techniques and equipment used for tracking down and eliminating RFI sources.

I have given a similar presentation 4 or 5 times before. I have authored an article in the National Contest Journal and contibuted a section on the topic for the ARRL Handbook.

3. CRITICAL COMMUNICATIONS FOR PLANNED EVENTS

10/24/25, 9:00 AM

Presentation

This presentation provides practices that ensure clear, concise, and complete communications for IWI at planned events.
This presentation provides practices that ensure clear, concise, and complete communications for IWI at planned events.
Reporting an IWI (Incident Within an Incident), usually a medical emergency, is often the reason for hams to support planned events.
There is a wide...

37. Digital Mobile Radio, A look Under the Hood

10/24/25, 9:00 AM

Presentation

I will present a bit of history of digital transmission. Included are descriptions of how analog voice is digitized and transmitted.

30. PSWS, HamSCI’s Personal Space Weather Station: Hosts Wanted!

10/24/25, 9:00 AM

Presentation

HamSCI, the Ham radio Science Citizen Investigation, is building a network of Personal Space Weather Stations for monitoring and researching space weather effects. This talk will begin with background on HamSCI (who, what, why) and then dive into details on the PSWS equipment: What it is, how it operates, what is required to host a PSWS. Observations from past PSWS campaigns, such as the...

39. Remote Station Operation using wfview

10/24/25, 9:00 AM

Presentation

wfview is a program that allows many modern Icom and Kenwood ham radio transceiver to be controlled via a computer. wfview shows the radios spectrum display on whatever display is connected, including projectors, touch screens, and TVs. wfview allows for full radio control from a computer keyboard and basic control from a numeric keypad. wfview can run on hardware ranging from the $35...

8. DMR Programming for Amateur Radio

Michael Lozano (RMHAM)

10/24/25, 10:00 AM

Presentation

This forum will cover DMR programming concepts and processes specific to Amateur radio. Topics covered will inclued DMR IDs, Channel information requirements and tips to better understand why things have to be done in certain ways.

23. FantasticDC-RX

10/24/25, 10:00 AM

Presentation

An HF receiver built on a piece of wood featuring a full rich audio response on CW and SSB with a tunable CW-SSB filter: Several modules make up the receiver: RP2350 Pico-2 microcontroller, AD9950 Direct Digital Synthesizer, ADAA1701-DSP 56-bit double-precision pro-audio grade processor, an AD831 strong-active 200 MHz mixer (zero overload). Headset and speaker amps. DC input 9-15V. Power...

16. Integrating Digital Software with AppleScript

10/24/25, 10:00 AM

Presentation

Ted Asmus, K8UKE

Full Abstract, Outline, and Resources: [https://tasmus.com/ham/applescript-integration/][1]

Abstract

The ham radio Mac OSX community uses two primary pieces of digital modes software: FLDIGI and WSJTX. The operation of FLDIGI software is enhanced by the addition of FLRIG to control the ham transceiver and a logging program such as...

46. Operating multiple HF stations in close proximity such as Field Day

10/24/25, 10:00 AM

Presentation

Have you tried to operate multiple HF stations located in close proximity to each other? Maybe an event like Field Day or a special event station. Did it work well and meet your expectations? Or were you plagued with interference? This talk will highlight some concepts and the equipment needed to reduce interference and maximize your fun!

11. The Deep Space Exploration Society (DSES): Amateur radio, EME, STEM and Science

10/24/25, 10:00 AM

Presentation

On the Eastern plains of Colorado is a rare gem for amateur radio enthusiasts - the Paul Plishner Radio Astronomy and Science Center who’s centerpiece is an 18 meter (60 foot) radio telescope owned by the Deep Space Exploration Society (DSES). This unique piece of equipment is shared between the scientific and amateur radio communities.

This presentation will cover the history behind the...

1. A Visit to the Sun and the Ionosphere

10/24/25, 11:00 AM

Presentation

A basic introduction to the sun and its effect, and how the ionosphere works. We hear a lot of terms used in our hobby, such as sunspots, CME, K index, solar flux, F layer, etc., but what do they mean, and how can we understand them. What have been the effects of CME’s that have struck the earth? These concepts are presented in an interesting format with the goal of helping us better...

7. DMR Operating Best Practices

Michael Lozano (RMHAM)

10/24/25, 11:00 AM

Presentation

This forum will cover best practices when operating on linked DMR repeater networks. Topics will include basic requirements, a review of various linked networks, and tips to make operating DMR more enjoyable.

45. Fox Hunting for Fun and Service

10/24/25, 11:00 AM

Presentation

From the day the first man made radio waves were received by amateur radio operators around the world, the question arose, "Where are these coming from?"
Not a lot has changed from those early years except the tools we have today to answer this ancient question. In many situations it's a life and death matter but to most hams it's an opportunity to use their radios and build skills in a...

10. Having Fun With Mountaintop VHF Operating

10/24/25, 11:00 AM

Presentation

The Rocky Mountain region has plenty of high summits from which to operate using VHF/UHF radio. Height Above Average Terrain makes a huge difference for these bands, which provides new opportunities and challenges. Mostly, it is just a lot of fun to get outdoors and make radio contacts. This presentation includes Summits On The Air, some Parks On The Air, and VHF contesting.

4. Women in Amateur Radio - Connect, Learn, and Inspire!

10/24/25, 11:00 AM

Presentation

Amateur radio has long been a space for exploration, connection, and innovation, but women have historically been underrepresented in the hobby. That’s changing, and we want to keep the momentum going! Whether you’re a seasoned operator or just starting out, this is a place for women in amateur radio to connect, share experiences, and support one another.

-Why Get Involved?

Amateur radio...

48. Adventures over the last 177 HAB launches

10/24/25, 2:00 PM

Presentation

EOSS has launched over 382 balloons, since 1990. These Balloons have carried thousands of student experiments into the stratosphere or "The Edge of Space". Here are some stories from the last 177 launches.

9. Amateur Radio Hotspts

Michael Lozano (RMHAM)

10/24/25, 2:00 PM

Presentation

This forum will cover basics of Amateur Radio Hotspots. Topic will include use cases, types, basic configuration and cross mode operation.

38. Failover and route redundancy for IP based networks

10/24/25, 2:00 PM

Presentation

Having redundant paths to connect hosts on an IP based network is an important feature to improve robustness and ensure network reliability. The IP and its associated routing protocols offers a range of options for how to implement this.

The talks explores different techniques ranging from simple failover, to recursive routing, to using routing protocols such as OSPF to automatically...

18. Propagation Tools

10/24/25, 2:00 PM

Presentation

Every successful DX’r, Contester, and other HF operators use their knowledge of propagation tools to their advantage. Bill will explain what tools are available, where to find them, and how to use them. They include VOACAP, SolarHam, Space Weather Prediction Center, ClubLog, and WSJT-X. Become a better prepared HF operator and get more from your HF station.

41. RMHAM Multi-State 5 GHz Microwave Network: A Realtime Demonstration of its Functionality and Capabilities

10/24/25, 2:00 PM

Presentation

A real-time demonstration of applications using the RMHAM microwave network and the tools used to manage the network.

14. Hotspot Workshop

Michael Lozano (RMHAM)

10/24/25, 3:00 PM

Presentation

This workshop will allow Hams to bring their hotspot and radio and receive assistance getting their hotspot set up and working. The process will include:
- Connecting the hotspot to a network
- Basic configuration including callsign and freqouencies
- Choosing the correct modem and connection settings
- Other miscellaneous hotspot settings
- Programming a channel on the radio

19. How to Make 200 Contacts per Hour (and Have Fun Doing It)

10/24/25, 3:00 PM

Presentation

If operating Field Day or you State QSO Party leaves you disappointed, Bill will explain how making 200+ QSO’s/hour is not only possible, but great fun! His W6H Route 66 On the Air team often places first among the clubs who operate it. He will present the tactics and skills necessary to do this like using voice recordings, CW messages, making rapid exchanges, and more. Whether you have a...

12. Radio Operations for Amateur Ballooning

10/24/25, 3:00 PM

Presentation

Title of Presentation: Radio Operations for Amateur Ballooning
Presenter Name(s) and Contact Information: Jim Langsted KCØRPS, Edge of Space Sciences, jmlangsted@gmail.com, 303.870.2802
Brief Bio of Presenter(s): Jim KCØRPS has been involved in amateur ballooning for 22 years and is currently the President of Edge of Space Sciences.
Abstract (150–250 words) outlining your topic and its...

40. Using ChatGPT AI and OpenSCAD to generate printer 3D STL files

10/24/25, 3:00 PM

Presentation

OpenSCAD is a free software application for creating 3D computer-aided design (CAD) objects. It is a script-based modeler that utilizes descriptive language This presentation will show how ChatGPT AI can be used to with OpenSCAD to generate STL files for 3D printing.

34. Using WSPR To Find Band Activity

10/24/25, 3:00 PM

Presentation

We start with a brief overview of WSPR and how it is so successful at getting through with such low power. A good multi-band antenna, such an EFHW, makes it possible for the WSPR beacon to be transmitted across several ham bands. WSPRnet.org shows the results. We examine results for several different days and times to show the usefulness of this technique.

13. APRS vs. Meshtastic: A Comparison of Position Reporting, Telemetry, and Messaging

10/24/25, 4:00 PM

Presentation

Abstract

Both the Automatic Packet Reporting System (APRS) and Meshtastic offer position reporting, telemetry, and text messaging capabilities. This presentation compares and contrasts these two systems, focusing on their implementation and application of these core features.

APRS:

Developed in the late 1980s by Bob Bruninga (WB4APR), APRS is a well-established digital...

52. Improving your DX Chase - Station optimization and automation

10/24/25, 4:00 PM

Presentation

Come learn about improving your station to become more agile to quickly move between modes, bands, or antennas to catch that rare one you've been chasing. You will learn about some tricks to make your antennas "no tuning needed" to operate across the band, lower your noise floor, and ideas on blocking noise sources you can't do anything about. You'll leave with ideas on how to apply some of...

43. Using amateur radios in High Attitude Balloon (HAB) operations

10/24/25, 4:00 PM

Presentation

Edge of Space Sciences (EOSS) is an organization promoting science and education through amateur radio and high-altitude balloons (HAB). The presentation will cover at a high-level various aspects of operations. the methods by which amateur radio contributes to the support of these operations and showcasing some of the equipment utilized.

27. Climbing Towers Safely - Gear and Equipment

10/25/25, 9:00 AM

Presentation

An introduction to gear and equipment used for climbing towers. Review best practices and industry standards for climbing, working, and hauling equipment safely.

17. My Favorite Antennas for Portable Operations

10/25/25, 9:00 AM

Presentation

This presentation will focus on antennas used for POTA, SOTA, Field Day, and other portable operations. Several examples of commercial and home-brew antennas will be shown and discussed. The characteristics of each will be highlighted. All of these have been personally field tested during my 20 years of portable operating.

53. Summits On The Air (SOTA) - Learn more about this unique program

10/25/25, 9:00 AM

Presentation

In this session, you'll learn what the SOTA program is, how it works, and how to participate. You'll learn about the point system, the data submission, and all things needed to participate. You will also learn about terms you may have heard when talking about SOTA (Prominence, AZ, Mountain Goat, Shack Sloth, etc.) Finally, you will learn about commonly used gear in the pursuit of activating...

31. “Being a Net Controller: Do’s, Don’ts & Benefits”

10/25/25, 9:00 AM

Presentation

Hour long presentation of how to be a net controller, responsibilities, do's dont's and benefits.

25. Learning Morse Code after Puberty

10/25/25, 10:00 AM

Presentation

Hi all,
I would be more than happy to give a presentation on ‘Learning Morse Code after Puberty’.
This is not a presentation on Learning Morse Code, but explaining the How’s, Why’s and Way’s to learn. It will be entertaining…if not educational.
I have been involved in Ham Radio since 2006. Have Eight Band DXCC. Worked All Zones CW. 323 Confirms. Advisor and co-manager for CW...

36. THE VEE BEAM ANTENNA – A wire alternative to the multi-band Yagi

10/25/25, 10:00 AM

Presentation

In an easy-to-grasp manner, the presenter describes and discusses the pros and cons of the VEE Beam, a low – cost multi-band HF fixed wire antenna that can be a reasonable alternative to the rotatable multi-band Yagi, which typically requires a support tower and rotator. The VEE Beam can be useful not only at a permanent installation, but also as a portable or temporary antenna that can...

28. Tower Safety Considerations

10/25/25, 10:00 AM

Presentation

The safest climber with the best equipment doesn't matter if the structure isn't safe to climb. What makes a tower safe? We'll discuss things to look for, and things you hopefully don't see when you're working on or around a tower or communications site.

29. WWV Amatuer Radio Club - celebrating more than a century of radio frequency standards from WWV

10/25/25, 10:00 AM

Presentation

WWV Amateur Radio Club
The WWV Amateur Radio Club originated from the 100th Anniversary of WWV in 2019. After a very successful celebration event in 2019, including a 5-day Special Event Station as well as an official ceremony hosted by NIST, a small group kept the enthusiasm going with other milestone recognitions. In early 2021 the club officially reorganized and has been active since. ...

47. Building and Sustaining a Thriving Radio Club: Insights and Best Practices

10/25/25, 11:00 AM

Presentation

A thriving radio club faces many challenges, including attracting and retaining new members, engaging and sustaining current members, and growing and developing the next generation of club leaders. This forum offers an interactive discussion among audience members and a panel of club leaders, featuring insights and examples of best practices drawn from their experiences. The goal is to...

20. Major Events in Morse Code History

10/25/25, 11:00 AM

Presentation

12 Jan 2025
Hi all,

I would be more than happy to give a presentation on some ‘Major Events in Morse Code History’.
This will include brief discussions, and some ‘recreated’ audio files of code being sent. Topic to include development of CW; Pony Express; Civil War; Titanic; Military; Contesting; DXing; SOTA & POTA and ways to learn code.
I have been in Ham Radio since 2006. Have Eight...

50. NVIS (Near Vertical Incidence Skywave)

10/25/25, 11:00 AM

Presentation

Powerpoint discussing theory, applications, and antennas for NVIS.

6. Planning Your Next POTA Activation

10/25/25, 11:00 AM

Presentation

Presentation summary:

Combining radio skills with the outdoors, POTA or “Parks on the Air” has become one of the most popular amateur radio activities. Whether you are an experienced POTA activator, or you’re planning your first POTA activation, during this presentation will learn the tricks and tips of successful POTA activators. Get a crash course based on field proven...

22. Beyond SWR with a Nano VNA

10/25/25, 2:00 PM

Presentation

The Nano VNA has become an essential tool in the ham shack. However, the Nano VNA can do more than just measure the SWR of your antenna system. This presentation will show how to connect the Nano VNA to a computer and use the Nano VNA to qualify feed lines and design and test matching circuits, baluns, and ununs.

42. Introduction to Microcontroller Applications in Amateur Radio

10/25/25, 2:00 PM

Presentation

Small microcontroller boards offer amateur radio operators an accessible and versatile foundation for building custom projects. This presentation focuses on compact microcontroller platforms like Arduino, ESP32, and similar single-chip solutions. We'll cover the practical aspects of integrating these smaller microcontrollers into ham radio applications, including how to select the right board...

51. POTA Lessons Learned from the Field

10/25/25, 2:00 PM

Presentation

Learn tips, tricks, and valuable lessons learned by two experienced POTA activators who have spent hours collecting gear, honing their skills, and operating in the field. By attending this forum you will save yourself both time and money by taking advantage of these lessons learned.

Lessons learned:
POTA antennas
POTA equipment and DC power
POTA site selection
Logging and reporting POTA...

26. The How's and Why's of DXing

10/25/25, 2:00 PM

Presentation

Hi all,
I would be more than happy to give a presentation on ‘The How’s and Why’s of DXing.
This is overview of getting started with DXing including a lot of tips and suggestions of how to find and have a better chance of working them.
I have been involved in Ham Radio since 2006. Have Eight Band DXCC. Worked All Zones CW. 323 Confirms. Advisor and co-manager for CW Academy.
Thanks for...

35. Using Power Tool Batteries for Ham Radio

10/25/25, 2:00 PM

Presentation

Can a power tool battery power your ham radio station? Batteries are expensive. Why buy expensive LiFePo4 batteries for portable operations when most of us already have multiple power tool batteries lying around. Why not just use these batteries? In this presentation Ken Lawrence, K0KEN, will present his findings on how well power tool batteries work for portable ham radio operations, such as...

49. Automatic Link Establishment (ALE)

10/25/25, 4:00 PM

Presentation

Slideshow showing the technical and practical aspects of ALE. I also plan on having hardware and software implementations of ALE for hands-on demonstrations.

44. How 3D Printing Fits in the Amateur Radio Hobby

10/25/25, 4:00 PM

Presentation

A presentation about how 3D printing can fit into the amateur radio hobby, with a short history on W0AEZ personal journey in 3D printing and the lessons learned in addition to some simple tips to help get you started in the 3D printing hobby.

21. POTA - A fun way to obtain emergency operating skills

10/25/25, 4:00 PM

Presentation

Erik Larson (AD7OV) and Reed Merrick(AF7FW) present a fun look into using POTA activations as ways to improve operating skills for emergency preparedness. Reed and Erik have been activating POTA sites since January 2024 using the club call W7HFV. They currently have over 23,000 contacts from POTA activations and have successfully activated 59 different POTA parks (as of April 2025). Between...

2. The Early Days of Ham Radio and DXing

10/25/25, 4:00 PM

Presentation

This presentation is a fun, non-technical look back at the beginnings of Ham Radio and DXing. We will start in the late 1800’s, and end in the 1960’s. We will touch on the influence of the military, government, clubs, etc., including the friendly but strong competition between England and the U.S. for the first transatlantic contact. A few of the important pioneers in the history of DXing are...

33. Vehicle Power Systems

10/25/25, 4:00 PM

Presentation

Modern vehicle power system present a significant challenge to the Amateur Radio community. With advanced charging systems powering 2 way radios is more complex than ever. This paper will look at all of the issues with latest generation vehicle power systems and their impact on mobile operation. Including testing of "Battery Boosters" for RFI generation and mobile radios TX power output...