Richardson Texas – Club Call K5RWK
by Chip Coker KD4C We’ve all seen how easy it is to set up and operate out in the field using the low cost quick deploy portable antenna and using battery power and portable radios. But that only gets you…
Read more
By Chip Coker KD4C What if I told you that there was once a big wall-mounted device (called a GeoChron) that cost hundreds, even thousands, of dollars, and that many hams coveted it as the ultimate shack accessory. And what…
Read more
by Bob Hill KG5WRY In a previous article I wrote about a low cost quick deploy portable antenna (in the February 2023 Chawed Rag). I described building the telescoping 16.5 foot vertical antenna and the ground spike mount (which has…
Read more
By Chip Coker KD4C We’ve had Digital Voice modes on VHF for years, as well as other digital modes on HF that are very popular (FT-8/4, PSK, even RTTY). We’ve had Digital Broadcast TV since 2009 and digital satellite radio…
Read more
by Mike Jahrig KG5P This month I’d like to talk about the so-called “Pi-beater” I’m not sure where the term originated, but it was probably by an RWK member on the RWK groups.io blog. In case you have been living…
Read more
By Chris White WX7V I love my Elecraft KX3 but as I learned on a mini-DXpedition to St. Martin this summer, sometimes 10 or even 15 watts is not enough power to make a decent QSO rate, even with a…
Read more
By Don Weeks N5SKT Recently the guys at Coffee and Ham Radios (CaHR) put together a little challenge to come up with a ham shack for less than $1000 and create a video around it. I had an idea to…
Read more
By John Slaughter WB5HSI An opto-isolator is a light emitting diode and a phototransistor in the same package. The LED is completely isolated electrically from the phototransistor. Most devices have 1000 volts or more of isolation. The capacitive coupling between…
Read more
By Chip Coker KD4C Those who know me and my ham radio experience know that I love 10 Meters. Early in my ham career (and in the peak days of solar cycle 21), I would come home from school and…
Read more
By Mike Jahrig KG5P (Part 4 of a series) Last month we discussed four types of filters and investigated their behavior using the NanoVNA. This month we will use the Nano to identify the values of some junk box inductors…
Read more