IK1ZYW Labs

I finally have it! I built and installed my copy of Yaesu YF-122C filter (455 kHz, BW 500Hz)! The receiver now sounds different from what I...

If you need to pick the 455 kHz IF signal from an FT817 (FT857 and FT897), you face a little problem: what kind of pin header is that? The s...

Yes, it was indeed the power connector.

As expected, there's a problem in the power plug/socket connection. I opened the joystick base removing all screws in sight and two more...

It arrived at ZYW Labs last night. It has some problems on the power connector. The power supply works but the weird plug looks broken. If t...

Magically it stopped raining for a while, when I was home alone. So I quickly assembled the antenna, laid it on the kitchen table, connected...

Now that a female BNC connector has been soldered to the dipole, the 5 el DK7ZB 28ohm Yagi is ready for a smoke test. If only it would stop ...

The 3rd director of my 5 elements Yagi was missing the insulator/separator as designed by 9a4qv (http://www.qsl.net/9a4qv/Antenna_insulators...