Colorado DigitalAmateur radio operators are notoriously thrifty. We will wait to purchase something until we get a 5% coupon, or haggle over shipping. It seems to be a characteristic common to most hams. But we are also generous. The same ham that haggled over $1 at the swap meet might also give you the shirt off […]
Recently on our Colorado Digital Telegram group, we were discussing the APRS reception capabilities of the Yaesu FT-2 and FT-3 HT’s. I decided to do a quick experiment comparing the APRS reception/decoding of my FT-2DR vs my Kenwood TH-D74a. Here is the video (TL;DR- the Kenwood is much better)
One very cool but often underutilized feature of DMR is the ability to send and receive SMS messages.The BrandMeister network has a few different SMS service numbers and functions available. The details on this service can be found on this page in the BrandMeister wiki (which you will have to translate from German). In this […]
The idea of the project is to provide the ability to place your Nextion display and hotspot in different locations in your house. Since UART (Universal Asynchronous Receiver/Transmitter) protocol is used for communication between the hotspot and display, it becomes easier to experiment with all kinds of options. There are many controllers available today with […]
OpenGD77 is a very exciting and active DMR radio project. This project involves hacking the inexpensive Radioddity GD77 dual band DMR handheld and its associated customer programming software (CPS). The core group of developers who are working on OpenGD77 are Roger VK3KYY, Kai DG4KLU, Jason VK7ZJA, Alex DL4LEX, Daniel F1RMB, and Colin G4EML. Apparently the […]
Here is my approach to using talkgroups and my AnyTone radio on BrandMeister, as well as using the BrandMeister SelfCare account to check the status of static and auto-static talkgroups right in the browser. There’s also some commands that can be used in any Linux Terminal, and they also should work in Windows Subsystem for […]
The regulations that apply to amateur radio—including use of frequencies and control of our stations—also apply to our use of personal, low-power hotspots. It’s our responsibility to understand and adhere to those regulations. I think this is an issue worth thinking about so that we all can continue to enjoy the use of our personal, […]
One of the great things about using hotspots for digital radio is the potential for portability. Hotspots can be small and they use relatively little power and data. In this post, I’ll discuss size, power use, and wifi access, and provide some use cases from my own experiences with portable hotspot operations. Hotspot Size Limiting […]
An important question to consider when building a pi-star based hotspot is what version of Raspberry Pi to use. You have three basic form factors to choose from: the zero, A+, and B+. The Pi-zero is the smallest of these three, followed by the A+, and then the B+. The latest versions are the Pi-zero […]