Indeed my point in mentioning it. On Mon, Apr 15, 2024, 6:31 PM n1ist <n1...@arrl.net> wrote:
> The Kr85 mark indicates that they have (or rather now have just a little, > since the half life is 10.7 years) Krypton-85 mixed in the gas to help with > the ionization > > On Monday, April 15, 2024 at 6:09:42 PM UTC-4 Audrey wrote: > >> That's fascinating Neil, I have a few boring Bendix panaplexes and was >> curious about their manufacture. I believe they're marked Kr85. >> >> On Mon, Apr 15, 2024, 5:47 PM Neil QQ <nei...@gmail.com> wrote: >> >>> Until, at least, sometime in the early 2000's 90's King Radio (aka >>> Bendix/King) was still selling NAV and COM radios using their own numeric >>> panaplex type displays e.g. KX155, KX165. These displays were custom >>> designed and fabricated in-house in Olathe, KS. To the best of my >>> knowledge they were all neon orange monochrome. The gas used was a >>> proprietary witches brew that included several radioactive trace elements. >>> I recall seeing a prototype ILS indicator similar to the one referenced in >>> this thread. I don't believe the King display was commercialized. >>> >>> An ILS display shows deviation from the localizer (right-left guidance) >>> horizontally and the glideslope deviation (up-down) guidance vertically. >>> By "keeping the needles centered" the ILS will guide a pilot to the runway >>> threshold. Such displays were also used for VOR navigation using only the >>> right-left needles (or lit segments in this case). In the simplest case >>> they would provide guidance to the VOR station and identify the cardinal >>> radial direction that was being flown to reach the station. When executing >>> a simple form of an instrument landing system (ILS) the pilot flies, at a >>> particular altitude, along a "to" radial to find a particular VOR station. >>> Once directly over the VOR the pilot flies on a specified VOR "from" radial >>> until the localizer (right-left) and glideslope (up-down) needles move into >>> the active range (no longer parked and "flagged" at the display extremes). >>> From there the pilot "keeps the needles centered" until visual runway >>> confirmation is obtained. >>> >>> On Saturday, April 13, 2024 at 11:27:41 PM UTC-5 Audrey wrote: >>> >>>> The seller is the author of this article. >>>> https://www.industrialalchemy.org/articleview.php?item=3247 >>>> >>>> On Fri, Apr 12, 2024 at 11:36 AM Nick Andrews <nickja...@gmail.com> >>>> wrote: >>>> >>>>> Never seen or heard about this one before. >>>>> >>>>> >>>>> https://www.ebay.com/itm/276389569367?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=AkFpft62ST6&sssrc=2047675&ssuid=9S4jfnnKS4i&widget_ver=artemis&media=COPY >>>>> >>>>> Anyone heard of this or have one? >>>>> >>>>> -- >>>>> >>>> You received this message because you are subscribed to the Google >>>>> Groups "neonixie-l" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to neonixie-l+...@googlegroups.com. >>>>> To view this discussion on the web, visit >>>>> https://groups.google.com/d/msgid/neonixie-l/CAJD4P-ivW5%3DSwf_3hXWVXdad%3DYzA89swwt%3DP%2BqRK2xEMKJ%2B5Gw%40mail.gmail.com >>>>> <https://groups.google.com/d/msgid/neonixie-l/CAJD4P-ivW5%3DSwf_3hXWVXdad%3DYzA89swwt%3DP%2BqRK2xEMKJ%2B5Gw%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> >>>> -- >>> You received this message because you are subscribed to the Google >>> Groups "neonixie-l" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to neonixie-l+...@googlegroups.com. >>> >> To view this discussion on the web, visit >>> https://groups.google.com/d/msgid/neonixie-l/42ea136c-7ed5-480f-9c29-2ba40025ac3an%40googlegroups.com >>> <https://groups.google.com/d/msgid/neonixie-l/42ea136c-7ed5-480f-9c29-2ba40025ac3an%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to neonixie-l+unsubscr...@googlegroups.com. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/6e423ef4-db33-49a3-b32e-a10996ee34c9n%40googlegroups.com > <https://groups.google.com/d/msgid/neonixie-l/6e423ef4-db33-49a3-b32e-a10996ee34c9n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to neonixie-l+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/CAPDJQ6Cyii1g2TfQr_53%3D_HO0TWOqdRG%3DGKv1KYQJB2-qRJuvA%40mail.gmail.com.
