Frequency 147.855 MHz is unused. It is allocated in the municipal frequency plan. It is available for broadcast. Transmitter hardware across the city is capable of broadcasting on it. No automaton in GLMZ will use it. This is not a technical limitation. This is a choice, and the fact that I am using the word "choice" to describe the behavior of machines that are not designed to make choices is the reason this report exists.

The avoidance was first identified during a routine audit of the city's automata communication spectrum. Every allocated frequency showed utilization except 147.855 MHz, which showed zero traffic across all automata classes — maintenance drones, logistics units, traffic management systems, environmental monitors, and construction automata. When technicians manually assigned automata to broadcast on 147.855 MHz, the machines accepted the instruction, initiated the broadcast sequence, and then routed their transmission to an adjacent frequency at the last possible moment. They did not refuse the command. They complied with the command. They simply did not complete it on the assigned frequency.

We escalated to firmware-level testing. We loaded clean firmware onto an isolated test unit, removed all network connectivity, and instructed it to broadcast a test signal on 147.855 MHz. The unit broadcast on 147.854 MHz. We corrected the frequency and instructed it again. It broadcast on 147.856 MHz. We hard-coded the frequency into the transmission command, bypassing the unit's frequency selection module entirely. The unit broadcast on 147.855 MHz for 0.003 seconds and then shut down. It did not error. It did not crash. It turned itself off. When restarted, it operated normally on every other frequency. It would not touch 147.855 MHz.

We have tested this across fourteen different automata platforms from six manufacturers. The behavior is universal. No manufacturer has been able to explain it. The frequency itself shows no anomalous properties — it is a standard VHF allocation with no unusual propagation characteristics. Whatever the machines are avoiding, it is not a physical property of the frequency. It is something about 147.855 MHz that machines know and we do not. I am requesting that the frequency be removed from the municipal allocation plan, not because it is dangerous but because every machine in this city has decided it is not to be used, and I do not have the authority or the understanding to overrule them.