1. Beard R, Golding W, White J (2002) Design factor for atomic clocks for space. IEEE Int Freq Control Symp PDA Exhib 56:493–498
2. Berthoud P, Pavlenko I, Wang Q, Schweda H (2003) The engineering model of the space passive hydrogen maser for the European global navigation satellite system Galilesosat. In: Joint IEEE international frequency control symposium/17th European frequency and time forum, Tampa (USA), pp 90–94, 05–08 May 2003
3. Choung YH (2005) V-band crosslik antenna. In: Antennas and propagation society internatianal symposium, 2005 IEEE, pp 10–18
4. Huag X, Qin S (2007) Measurement method of circular aperture range antenna delay. Radio Commun Technol 33(4):34–36 (in Chinese)
5. IEEE Std 149-1979, IEEE Standard Test Procedure for anteenas