I just discovered that I’ve shipped about 40 EggNOGS kits, all 436MHz, with phasing boards that were fabricated incorrectly. Two holes were plated that weren’t supposed to be. It can cause a dead-short at the feed point and/or after the common mode current choke. Unfortunately, I have no way of knowing who got the bad boards. I have a 436MHz… Read More »EggNOGS Partial Recall: 436MHz kits
HaliKey has been one of my best selling products over the last few years. It’s simplicity and small size, doing one thing and doing it well, has made it a favorite for remote operators. Flex even gave them out with purchases of Pre-Loved Flex radios for a while. But they’ve been on back-order for several months now. What gives? tldr:… Read More »HaliKey Status: 2025 Q4
I just launched the Halibut Electronics Broadcast Interference (BCI) Filter for VHF/UHF. It’s designed to prevent strong AM broadcast signals from blowing out the front-end of wide band receivers that have little or no pre-selection, such as inexpensive SDRs. There are many BCI filters availble, but all the ones I could find were designed for HF, and performed very poorly… Read More »Power handling of BCI Filter for VHF/UHF
Check out this wonderful blog post by W0DHZ, Dale, showing how he built an HHI Contesting Console, HHI Radio Pro, and two HHI User Pros into a portable setup for use as a 2-person POTA rig. I mean, just look at this beautiful build! Dale’s blog post includes the STL files for the 3D printed case to hold the Radio… Read More »Contesting Console for 2 Person POTA
Friend and listener to the Ham Radio Workbench podcast, James AE8JF, wanted to make his own OHIS Radio Adapter for his IC-9700. So he did some research and noticed a couple things: (*) The only exception being the Vcc power source, which is optional in the OHIS spec. This means he could build an entirely passive OHIS Radio Adapter, that’s… Read More »Simple OHIS Radio Adapter for Icom Radios
Recent events (around November 2022; I won’t cover it here, look it up yourself please) have a lot of people leaving Twitter and looking for an alternative. I (Mark and Halibut Electronics) have chosen Mastodon and the Fediverse as our new Social Media Platform of choice. This means I will no longer be posting on Twitter. If you’re interested in… Read More »Mastodon and Fediverse