er = this.$.stationNumber.value
                const smachine = this.machines
                const timestamp = Math.round(Date.now() / 1000.0)
                if (sname && snumber && smachine.length > 0) {
                    this.$.stationQuery.ref.push({
                        st_name: sname,
                        st_number: snumber,
                        st_machine: smachine,
                        st_install: timestamp
                    });
                    this.clearField()
               