The Richardson Wireless Klub > Articles by: Chip Coker KD4C
Author Archive: Chip Coker KD4C
Chip Coker KD4C
May 27, 2022
By Mike Jahrig KG5P (Part 3 of a series) Last time we discussed investigating the properties of low pass and high pass filters using the Nanovna. Today we will discuss 2 additional common filter types, the bandpass, and bandstop (sometimes…
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Chip Coker KD4C
May 21, 2022
Or “Why Do I Hear Strange Things On The Repeater Frequency?” By Chip Coker KD4C Have you ever listened to the repeater frequency and swear you heard stations you didn’t recognize and a strange repeater ID? Well chances are your…
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Chip Coker KD4C
May 7, 2022
SDR applications: Ways to use the RF “Swiss Army Knife” – Jack Spitznagel KD4IZ It is common knowledge that SDR devices make interesting and economical receivers and transceivers, but what else are they really good for? I will describe several…
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Chip Coker KD4C
May 1, 2022
By Mike Jahrig KG5P (Part 2 of a series) This month I will continue my discussion of the NanoVNA. One useful accessory I have found is a RF Demo Kit that I bought off the internet from Banggood or somewhere…
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Chip Coker KD4C
April 30, 2022
Greetings RWK! Here’s The Chawed Rag for April 2022, including Foxhunting for Real, RWK Polo Shirts, The Importance of Phonetics, Upcoming Events, Learn CW program update, KG5P Using the Nano-VNA, and more!
Chip Coker KD4C
April 30, 2022
By Chip Coker KD4C At Field Day 2019, RWK had a side activity where hams built a small “tape-measure yagi” and had a small foxhunt in Lookout park. Since shortly after Field Day 2019, we have staged foxhunts in the…
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Chip Coker KD4C
April 8, 2022
This month we have John Portune W6NBC presenting on “Slot Antennas for Ham Radio”. You may not have heard of a “slot” antenna, but you’ve probably seen one (hint: a cubical quad is a type of slot antenna)! Come learn…
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Chip Coker KD4C
April 1, 2022
From the ARRL: https://www.arrl.org/fcc-application-fee The new Amateur Radio license application fees mandated by the recent congressional actions will take effect at midnight (Eastern) on April 19, 2022. The Federal Communications Commission’s authority to impose and collect fees is mandated by Congress. …
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Chip Coker KD4C
March 30, 2022
Greetings RWK! Here’s The Chawed Rag for March 2022, including return to in-person “hybrid” meetings, FCC Fees info, How to manage groups.io, Learn CW program update, Upcoming events, KG5P Using the Nano-VNA, and more!
Chip Coker KD4C
March 30, 2022
By Mike Jahrig KG5P A lot of RWK hams have purchased NanoVNAs. I recently obtained myself, and have learned that it provides a wealth of information in the shack. If you are not familiar with this device I suggest you…
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