Search String: Display: Description: Sort:

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+Bird\s+Model\s+74\s+coaxial\s+switch\s+wear\s+out\s+mechanisms\?\s*$/: 4 ]

Total 4 documents matching your query.

1. [TowerTalk] Bird Model 74 coaxial switch wear out mechanisms? (score: 1)
Author: al.n6ta@gmail.com
Date: Wed, 11 Dec 2019 09:19:06 -0800
Anyone know the center contact in the movable part wears out after many mating cycles? I would use one of these to change antennas daily, and multiple times a day. Not sure of its design purpose and
/archives//html/Towertalk/2019-12/msg00072.html (6,661 bytes)

2. Re: [TowerTalk] Bird Model 74 coaxial switch wear out mechanisms? (score: 1)
Author: Gedas <w8bya@mchsi.com>
Date: Wed, 11 Dec 2019 13:24:55 -0500
I cannot give you a formal number from Bird but I have used dozens of these for over 30 years for tempest test applications. It would not be uncommon for a technician in our lab to use one of these s
/archives//html/Towertalk/2019-12/msg00073.html (8,836 bytes)

3. Re: [TowerTalk] Bird Model 74 coaxial switch wear out mechanisms? (score: 1)
Author: al.n6ta@gmail.com
Date: Wed, 11 Dec 2019 10:52:52 -0800
Thanks for the valuable info, Gedas. I owned one 40 years ago and sold it for peanuts, assuming I'd never need one again. I did that a lot but that's water under the bridge. Since they are not cheap,
/archives//html/Towertalk/2019-12/msg00076.html (9,346 bytes)

4. Re: [TowerTalk] Bird Model 74 coaxial switch wear out mechanisms? (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Thu, 12 Dec 2019 06:49:31 -0600
Great switch. If there's any kind of failure mode on this it is probably the splines that accept the male center pin eventually losing their grip but I have not seen that happen, so this is just spec
/archives//html/Towertalk/2019-12/msg00078.html (7,601 bytes)


This search system is powered by Namazu