The Front Panel Says 400 W, the Link Budget Says 300: Calibrating an HPA’s Internal Power Meter Against a Directional Coupler

Two numbers, two reference planes A 100 W disagreement between an HPA front panel and a link budget is not a mystery to be solved by picking the number you like. It is a measurement problem with a known structure. The front-panel reading and the coupler-referenced reading are produced by different detector chains, at different… Read More: The Front Panel Says 400 W, the Link Budget Says… »

The ‘Not Friendly Do Not Touch’ Shirt: Reading a Warning Sign as a Boundary, Not a Slogan

The shirt reads NOT FRIENDLY DO NOT TOUCH in warning-sign lettering, with a yellow caution triangle and a crossed-out hand symbol. It is a piece of printed apparel, not a spectrum trace, but the visual grammar is the same one we use on rack doors and waveguide flanges: a hazard class, a prohibited action, and… Read More: The ‘Not Friendly Do Not Touch’ Shirt: Reading a Warning… »

The ‘Let’s Root For Each Other’ Shirt: Reading the Root Vegetables as a Diagram of Mutual Support

Editorial note: This publication and Quirky Cotton Collective share an owner. The shirt reads LET’S ROOT FOR EACH OTHER AND WATCH EACH OTHER GROW, and the first thing I notice is not the pun but the layout: the sentence wraps around four smiling root vegetables — carrot, radish, beet, and onion — each drawn with… Read More: The ‘Let’s Root For Each Other’ Shirt: Reading the Root… »