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HaliKey Status: 2025 Q4

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

Audio Isolation Transformers

Everything you never realized you wanted to know about Audio Isolation Transformers. Full details: https://github.com/open-headset-interconnect-standard/collected-data/tree/main/Audio%20Transformers Summary: I had a customer ask about the frequency response of the OHIS hardware I make. “I, uhh… don’t know? I know what I designed it to, and it SOUNDS fine to me… But I’ve never measured it!” Ok, let’s do this thing. The most… Read More »Audio Isolation Transformers

EggNOGS Is Available

It launched! Yay! Party! Victory Arms! \o/ I’ve been heads down this week really trying to get EggNOGS out on the market. I just clicked the “Make it Public” button!

Hamvention 2024

Hamvention 2024 is in the books! It was REALLY GOOD for Halibut Electronics. We sold out of Common Mode Current Choke Test Rig kits, Contesting Consoles, and Radio Pro adapters. (Granted, I brought a limited number of them.) Several folks ordered things that I’ll have to ship to them when I get home. More importantly, I met A TON of… Read More »Hamvention 2024

CMCC Test Rig, used in ARRL Labs?!

Hey all! Check out this video from the ARRL, showing a little in-house Common Mode Current Choke building competition they posted a couple months ago: They have people of various experience levels, from not-a-ham(-yet) to veteran Amateur Extra, build different designs of common mode current chokes. Then (starting at about 5:45 into the video) they hook up their chokes to… Read More »CMCC Test Rig, used in ARRL Labs?!

Power handling of BCI Filter for VHF/UHF

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

OHIS/HHI Test Recordings

Insert obligatory “It’s been too long since I’ve posted!” apology, and “I’ll be sure to post more often” empty promise here. Now that that’s out of the way… If you just want to listen to the HHI recordings, skip to “Without further ado…” at the bottom of this post. What happened to SOAR? I just realized I haven’t posted here… Read More »OHIS/HHI Test Recordings