A technique that is readily implemented in monolithic integrated circuits includes a method including generating an output clock signal during a presence of a reference clock signal based, at least in part, on a digital control value indicating a phase difference between a feedback signal of a PLL and a reference clock signal. A tether is connected to the aerial vehicle on a first end and is connected to a ground station on a second end. The IP address is deliberately omitted from the IPCP Configure-Nak message. The resonator further includes a dielectric resonator body, having a central portion with a plurality of members extending outwardly from the central portion. The strap bracket including a buckle insertion receiving member and a strap receiving opening.