Author Archives: K0FEY

About K0FEY

I am a member of the Eden Prairie Radio club. This is a Minnesota Ham Radio Enthusiast club and we promote experimentation and learning through the Amateur Radio hobby. Come check into a net on Sunday with us or better yet meet us in person on the 3rd Thursday of the month.

Drying wood with chart (Is my wood dry?)

I would like to pass on info I found when I think it might be helpful to others. I would love to get some confirmation that this is a usable chart from someone. I have been taking notations of my … Continue reading

Posted in Uncategorized | Leave a comment

Wood Spice Drawer

The wife asked me about how she could make it easier for her to see all the spices and get to the ones she wanted easier. A spice drawer on sliding rails is what I came up with. A quick … Continue reading

Posted in DIY, woodworking | 1 Comment

SMARTsFest in Minnesota – Philco 42-327 revival Part 1

I went to the SMARTsFest a few weekends past and came back with a new project. It is a 1942 Philco 42-327. This is a tube radio and I will be rebuilding it to working order and cleaning it up … Continue reading

Posted in Experiments, Ham Radio, Science, Testing | Leave a comment

DIY Magnetic loop

How it works: A loop antenna is effectively a tuned RLC circuit. What does this mean? It means the primary coupling loop inductively couples to the secondary. The secondary loop has a variable capacitor to electrically adjust its resonance. Alternatively, Some … Continue reading

Posted in Experiments, Ham Radio, Scanner, Testing, Uncategorized | Leave a comment

New (to me) projects on the bench – Part 3

  8) EICO Model 221 Vacuum Tube Volt Meter Whenever I get a new (to me) piece of test equipment that is older than 25 years I always want to look at the capacitors. They are almost surely leaking. I … Continue reading

Posted in Experiments, Science, Testing, Uncategorized | Leave a comment

Tecsun 2P3 AM Radio build

Tecsun 2P3 AM Radio Receiver Kit – DIY for Enthusiasts, Built it into a radio case ! Bought from Amazon…. This was a fun build. I love the way it is set up similar to the way old radio projects … Continue reading

Posted in Experiments, Ham Radio, Scanner, Science, Testing, Uncategorized | Leave a comment

40M CW Transmitter QRP Pixie Kit Receiver

Wandering around on Ebay, I found myself looking again at the Pixie QRP morse code transceiver. I purchased for $15 from seller “19d10recon” and got 2 crystal frequencies to use. Laying out the parts I found I was missing 2 but … Continue reading

Posted in Experiments, Ham Radio, Uncategorized | Leave a comment

New (to me) projects on the bench – Part 2

Started going through the bench stuff from Craigslist: 2) B & K Precision 177 VTVM Dynascan Vacuum Tube Volt Meter Tester – Works, nothing needed. 3) Superior Electric 3PN 116B Variable Powerstat Auto Transformer 109A 0-140 VAC – Works, nothing needed. … Continue reading

Posted in Experiments, Science, Testing, Uncategorized | Leave a comment

New (to me) projects on the bench

I was looking through Craigslist and found a few things that will go into the repair bin. Will tackle these one at a time in the next few weeks. (I hope) 1) Leader LBO-507A 20MHz Oscilloscope 2) B & K … Continue reading

Posted in Uncategorized | Leave a comment

Tuning antennas for SWR

Tuning antennas for SWR **Note: This method is that in which you will be cutting your antenna to ensure a resonant length. Introduction: Common models of SWR (standing wave ratio) meters are used to give a general reference of how … Continue reading

Posted in Experiments, Ham Radio, Science, Testing | 1 Comment