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The World of Amateur Radio in One Shack

Bill Rinker, W6OAV

Longtime Elmer, and writer for many amateur radio club newsletters in Colorado and California. 7 articles on OneShack, each to read here or download as a PDF to print.

© Bill Rinker, W6OAV. Shared on OneShack with his permission. Not to be copied or reused without his permission.

Antennas

Attic HF Antennas

By Bill Rinker, W6OAV

Covenants pushed Bill's HF antennas into the attic in 1986, and he has worked the world from there since. What he learned: stop trying to resonate anything, put up the biggest wire that fits, feed it with ladder line, and let the tuner do the work.

6 Min Read

Antennas · Equipment

Don’t worry about high SWR!

By Bill Rinker, W6OAV

An SWR of 3:1, or even 10:1, costs far less than most operators think — provided the feedline is good and the tuner is doing its job. And the same fact gives you one wire that works on every band.

7 Min Read

Antennas

Question of the Month: How Do Long Dual Band Verticals Develop Gain?

By Bill Rinker, W6OAV

Lengthening a vertical past 5/8 wavelength should send the signal skyward — yet commercial dual band antennas are longer than that and still claim gain at the horizon. Here is how they do it, and how to read their gain figures.

6 Min Read

Antennas · Operating

Testing Portable, Stealthy HF Antennas

By Bill Rinker, W6OAV

A magnetic loop and a pair of Hamstick whips, each set up in a covenant-controlled yard and compared against a full size reference vertical over a week of real contacts.

5 Min Read

Equipment · Operating

A Guide to Portable Amateur Radio Power

By Bill Rinker, W6OAV

Your portable station is only as reliable as its power source. Choosing between sealed lead acid, lithium-ion and LiFePO₄, sizing the battery, estimating operating time, wiring it safely and keeping it charged with solar.

7 Min Read

Antennas · Equipment

Analyzing Antenna Gain Specifications

By Bill Rinker, W6OAV

Plenty of antenna ads quote a gain figure that means nothing at all. Here is how to read them: what a dB really is, how dBi and dBd differ, and the three rules that protect you from a misleading claim.

7 Min Read