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Precision RF and Audio Interface Hardware for Amateur Radio



Common Mode Current and How To Stop It

Common Mode current can come from many places, but there are two common sources that we’ll deal with in amateur radio. One is while we’re transmitting, the other is while we are receiving.

A trend in amateur radio is network connected radios. HaliKey is a device that allows you to use your favorite morse paddles while operating remotely.

Remote Operating

Satellites

Egg Beater antennas are a good choice for operating satellites for several reasons, but there are trade-offs to be made. Let’s look into what an Egg Beater is, why they’re good, what their limitations are, and how to make one.

RF in Your Audio?

Distortion while transmitting

Grounding Issues?

Hum or noise problems

Interference Problems?

Signals getting in where they shouldn’t

USB Interface Woes?

Digital noise with your setup

RF in your shack?

RF hotspots in your station

Remote control needs?

Operating your station from afar



Heard this on the Ham Radio Workbench Podcast?


Featured Solutions


Audio Interfacing

OHIS

HHI

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Test Equipment

CMCC Test Rigs, both RF and Digital

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Satellites

EggNOGS

AmpNOGS,

TeaNOGS

BCI Filters

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Remote Operating

HaliKey MIDI, HaliKey Serial

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Halibut Electronics SOAR
HHI Contesting Console (top) and HHI Radio Pro (bottom) sold separately.

Educational/Technical: Systems







Video Section


Demonstrations and technical walkthroughs