Magic eye tube (redirect from EM84 tuning indicator)
B9A based all-glass type with either a fan type display or a band display (EM84). The end-viewed version had a round cone-shaped fluorescent screen together...
12 KB (1,518 words) - 20:12, 6 February 2024
2000 EX79 — March 5, 2000 Socorro LINEAR FLO 1.8 km MPC · JPL 50641 2000 EM84 — March 6, 2000 Socorro LINEAR · 4.6 km MPC · JPL 50642 2000 EK86 — March...
165 KB (301 words) - 02:43, 30 April 2024
EC68 — March 10, 2007 Kitt Peak Spacewatch · 1.4 km MPC · JPL 723668 2007 EM84 — March 12, 2007 Mount Lemmon Mount Lemmon Survey · 2.2 km MPC · JPL 723669...
177 KB (301 words) - 22:35, 11 October 2024
June 2, 2015 Cerro Tololo-DECam CTIO-DECam · 970 m MPC · JPL 710812 2014 EM84 — October 30, 2007 Mount Lemmon Mount Lemmon Survey · 1.5 km MPC · JPL 710813...
176 KB (301 words) - 23:18, 6 August 2024
around 7 watts in ultra-linear mode to a large (10 by 7 inch) loudspeaker. An EM84 "magic eye" tuning indicator valve was used. The RV20 Mayflower II was released...
17 KB (2,581 words) - 22:25, 27 December 2023
2005 EE79 — March 3, 2005 Catalina CSS JUN 1.2 km MPC · JPL 348345 2005 EM84 — March 4, 2005 Socorro LINEAR · 1.7 km MPC · JPL 348346 2005 EB94 — March...
186 KB (301 words) - 16:53, 30 November 2023
EP83 — October 24, 2011 Haleakala Pan-STARRS · 700 m MPC · JPL 577459 2013 EM84 — November 1, 2010 Mount Lemmon Mount Lemmon Survey · 2.9 km MPC · JPL 577460...
183 KB (662 words) - 12:54, 18 October 2024
EK82 — February 10, 2008 Socorro LINEAR JUN 1.1 km MPC · JPL 489831 2008 EM84 — March 5, 2008 Mount Lemmon Mount Lemmon Survey · 1.3 km MPC · JPL 489832...
184 KB (301 words) - 16:30, 30 November 2023
separate screen anodes, noval B9A base, mainly for stereo use in tape recorders EM84/6DH7/6FG6 – Side-view, band-type tuning/level indicator, noval B9A base EM85...
125 KB (15,290 words) - 15:00, 12 February 2024