Interference Protection Group meeting 12/22/98 Agenda Minutes of 12/8/98 meeting Interference call-out reports Review of action items: 1. Final budget report (Rick) 2. GBT feed arm servo system RFI measurements (Tim, Chuck) 3. GBT subreflector actuator heaters 4. Site radio system tests (Chuck) 5. Monitor station and anechoic chamber receiver design (Rick, Rich) 6. Lab survey of RFI sources (Chuck) 7. RFI measurement mobile cart (Chuck) 8. PC and workstation shielded test box (Chuck) 9. Air Force use of the G.P.S. L3 signal at 1383.3 MHz (Rick) 10. Technical seminar on RFI suppression requirements and techniques (Rick) 11. RFI considerations for new Education Center (Frank) 12. FCC Class B requirements and test procedures (Rick, Chuck) Requirement for a turret for anechoic chamber 13. Publicly available version of RFI measurements of GBT equipment (Chuck) 14. Cal and sig/ref switching system system for anechoic chamber (Rich, Chuck, Rick) 15. GBT RFI 'harmful levels' document (Rick) 16. Use of spectral processor with anechoic chamber (Rick) Summary of new action items Next meeting time/date