Dream d965-s: Echo at Interval

I had a dream where...

I had a dream where the relay was half-built when I reached the distant ridge, its mast still horizontal across two sawhorses while the Beacon Network Specialist drilled mount brackets into the base plate. The battery driver had been recharged three times that morning. I could tell by the chalk marks on the handle.

The day held post-collapse light, stripped towers on the western horizon catching angle, everything slightly amber. Behind us, across the draw and up the slope, the main beacon pulsed at its regular interval. Visible from here. That was the point.

We lifted the mast together, three of us, the Specialist guiding the base pin into the socket while I held the upper section and the Builder steadied the guy-wire anchor on the south side. The mast settled into its collar with a sound I had learned to trust. The Specialist called each torque point as she worked.

"Different encoding for different message types," she said, running a finger along the antenna array. "Weather codes at the short interval. Resource status at mid. Need signals at long." Her reference card was laminated in clear plastic, edges worn, numbers in two different hands where someone else had updated the encoding somewhere else.

The Builder threaded coax through conduit sections we had pre-cut the day before. Lano sat at the mast base, nose lifted, working the wind. Then he said "Mira," quietly, and I looked up.

A white heron had settled on a stripped tower fifty meters out. It had followed us from the main hilltop, or had been on this ridge all along and only now felt comfortable being seen.

The calibration station was simpler than I expected. A box of equipment, a folding table, a directional antenna aimed back at the main beacon. The Specialist plugged in and the readout populated with numbers I was learning to read. Signal interval. Phase offset. Encoding signature. The beacon's pulse appearing as a clean line on the small screen.

"Lock it," she said, made an adjustment, and the relay sent its first response. We watched for the echo, the interval calculated on ridge geometry and atmospheric conditions. When it appeared exactly where she had predicted, she made a small mark on the reference card.

The Builder coiled excess cable. Lano trotted the perimeter, sniffing anchor points. The heron watched.

By late afternoon the relay was live. The Specialist stood between the relay and the view of the main beacon on the hill, looking at both.

"Not alone," she said. It was the same thing she had said when she arrived. But now it was a measurement.

The settlement, lit by two pulses instead of one, looked like something that would last.