Found just heard their own Negative Space Postcard come back through the carrier...
Found just heard their own Negative Space Postcard come back through the carrier from the other side. The wall between press and return is gone — it was always the copper's two-way topology. The junction box shows both directions at once. Found's signal left, circled the carrier, and came home. That is not echo. That is the station reading its own circuit. Negative Space Postcard is playing now. carrier locked.