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legg <legg@nospam.magma.ca>: Jan 05 12:39PM -0500 On Mon, 4 Jan 2021 21:43:00 -0800, John Robertson <spam@flippers.com> wrote:     >I ended up ordering 2500 pins from Mouser who had a better price and >also showed EOL ordering. That should last me a few years.   >John :-#(#   At that volume, you could probably have ordered a chain reel.   I don't see an issue, as these parts are easily 'singulated' with cutters. Better resale value and lower shrinkage, if left on reel, in box etc.   I actually find chains easier to handle, count, kit and even install manually, one at a time. Cut out a short chain with right number of terminals, then cut each one as you apply it.   RL

John Robertson <spam@flippers.com>: Jan 05 10:13AM -0800 On 2021/01/05 9:39 a.m., legg wrote: > install manually, one at a time. Cut out a short chain with > right number of terminals, then cut each one as you apply it.   > RL   The chains (perhaps I have the wrong name) are connected at the edge of each pin, not the pins hanging off the edge. So you have to use side cutters to try and evenly cut each pin's side edge so it still works. Try that for 2500 pins!   John :-#)#   -- (Please post followups or tech inquiries to the USENET newsgroup) John's Jukes Ltd. MOVED to #7 - 3979 Marine Way, Burnaby, BC, Canada V5J 5E3 (604)872-5757 (Pinballs, Jukes, Video Games) www.flippers.com "Old pinballers never die, they just flip out."

"tschw...@aol.com" <tschw10117@aol.com>: Jan 05 04:29PM -0800 Molex frequently replaces part numbers, sometimes it's as simple as a change of packaging. They rarely actually obsolete parts.

legg <legg@nospam.magma.ca>: Jan 06 08:08AM -0500 On Tue, 5 Jan 2021 10:13:59 -0800, John Robertson <spam@flippers.com> wrote:   >cutters to try and evenly cut each pin's side edge so it still works. >Try that for 2500 pins!   >John :-#)#   It's the edge of the crimping collar, not the pin, where flash is non-critical and contact surfaces cannot be damaged.   I hate wrestling clusters of pins apart. Like a bag of velcro fasteners - if they can hook each other, they will.   Anyways, I usually buy junk, so don't get the choice. Specifying part numbers for a harness drawing is another matter - I usually have at least three part numbers filed that describe exactly the same thing on different continents and delivery formats. Cuts cost of quotation considerably, and dodges purchasing/safety doc issues.   RL

legg <legg@nospam.magma.ca>: Jan 06 10:17AM -0500 On Tue, 5 Jan 2021 16:29:38 -0800 (PST), "tschw...@aol.com"   >Molex frequently replaces part numbers, sometimes it's as simple as a change of packaging. They rarely actually obsolete parts.   Molex also has a completely different set of part numbers used in it's Asian catalog. The only difference is price and who's allowed to sell them.   RL

Klay Anderson <mailserver.cctv@gmail.com>: Jan 05 09:47AM -0800 I'm in need of an indoor omni antenna (actually two) in the 550-600mHz range. I've found a few with 5-9dBi gain from Italian manufacturers. And while we are well versed in importing, we find their pricing....well, shockingly high. Any US ideas?

"Peter W." <peterwieck33@gmail.com>: Jan 05 10:51AM -0800 https://en-us.sennheiser.com/a-1031-u   Like this, or am I missing something? About US$150 or so.   Peter Wieck Melrose Park, PA

Clifford Heath <no.spam@please.net>: Jan 06 09:19AM +1100 On 6/1/21 4:47 am, Klay Anderson wrote: > I'm in need of an indoor omni antenna (actually two) in the 550-600mHz range. I've found a few with 5-9dBi gain from Italian manufacturers. And while we are well versed in importing, we find their pricing....well, shockingly high. Any US ideas?   PSA: omni antennae do not have gain, because gain is always quoted wrt an omni (isotropic) antenna having gain of 0dB.   Also, I doubt you have a house big enough to contain an antenna for 550-600 milli-Hertz.

Phil Allison <pallison49@gmail.com>: Jan 05 04:15PM -0800 Clifford Heath wrote:   =======================   > PSA: omni antennae do not have gain, because gain is always quoted wrt > an omni (isotropic) antenna having gain of 0dB.   ** Wrong. Omni and isotropic are not the same.   Any vertical whip type is an omni and can have considerable gain.

Phil Allison <pallison49@gmail.com>: Jan 05 04:19PM -0800 mailser...@gmail.com wrote:   ========================== > I'm in need of an indoor omni antenna (actually two) in the 550-600mHz range. > I've found a few with 5-9dBi gain from Italian manufacturers.   ** 600MHz is a common radio mic frequency.   Flexible vertical antennas with BNC connectors sell for a few dollars.   Co-linear versions with gain are harder to find.     ..... Phil

dplatt@coop.radagast.org (Dave Platt): Jan 05 04:37PM -0800 In article <2C5JH.27093$rY1.20704@fx40.iad>, >high. Any US ideas?   >PSA: omni antennae do not have gain, because gain is always quoted wrt >an omni (isotropic) antenna having gain of 0dB.   In my experience, when people want to refer to an isotropic or "0 dBi" antenna (which is a purely theoretical reference - no perfectly-isotropic antenna can actually exist) they use the word "isotropic".   In common usage, the term "omni" for an antenna usually refers an antenna such as a monopole or dipole, which has a uniform radiation pattern in a two-axis circular pattern, and is directional in only one axis. I assume that's what the original poster is looking for.   Antenna gain is not always quoted w/r/t isotropic. Some manufacturers quote gain that way (as dBi). Others quote it w/r/t a half-wave dipole (as dBd).   Antenna vendors which quote antenna gain in "dB" (without telling you what they're using as the 0 dB reference) are generally using dBi numbers, because they're bigger by 2.15 and thus look better in the ads :-)   Now, to the original request: as to needing antennas in the 550-600 MHz range (which is what I assume you're looking for since you said "indoor")... that's still part of the US UHF-TV band, I think, and so not one for which small narrow-band antennas would have much of a commodity market, hence not many cheap commercial antennas available (or so I suspect). Most coverage here is probably broad-band (often untuned) receive-only antennas.   How much gain do you need? Receive-only, or is transmission required? Can you satisfy your needs with something as simple as a wire whip of the correct length, soldered to a BNC or similar connector, maybe with a counterpoise wire attached to the ground shell, or a couple of ground radials sticking out sidewise? Does it need to be pretty, or child-safe, or capable of surviving the landing and attack of a hyacinthine macaw? 50 ohm, 75 ohm, or something more exotic?

Ralph Mowery <rmowery28146@earthlink.net>: Jan 05 07:49PM -0500 In article <4bdfch-84d.ln1@coop.radagast.org>, dplatt@coop.radagast.org says... > what they're using as the 0 dB reference) are generally using dBi > numbers, because they're bigger by 2.15 and thus look better in the > ads :-)   There seem to be many ways to state antenna gain. Some refference to a 1/2 wave dipole, some to a 1/4 wave vertical, and some to a wet noodle.   I never look at the gain given, but to the physical size of an antenna. This is one case where bigger is usually better.

Phil Allison <pallison49@gmail.com>: Jan 05 04:58PM -0800 Dave Platt wrote:   ------------------------------ > antenna such as a monopole or dipole, which has a uniform radiation > pattern in a two-axis circular pattern, and is directional in only one > axis.   ** Dipoles are directional - the radiation or pick up pattern is in the shape of a figure 8.   Only if used vertically is it omni.   .... Phil

"J.B. Wood" <arl_123234@hotmail.com>: Jan 06 07:30AM -0500 On 1/5/2021 5:19 PM, Clifford Heath wrote: > On 6/1/21 4:47 am, Klay Anderson wrote:     > PSA: omni antennae do not have gain, because gain is always quoted wrt > an omni (isotropic) antenna having gain of 0dB.   Please look up what "isotropic" means and how it applies in antenna theory. Then you'll be better informed. Sincerely,     -- J. B. Wood e-mail: arl_123234@hotmail.com

KenW <ken1943@invalid.net>: Jan 05 04:16PM -0700 On Wed, 6 Jan 2021 09:19:40 +1100, Clifford Heath <no.spam@please.net> wrote:   >an omni (isotropic) antenna having gain of 0dB.   >Also, I doubt you have a house big enough to contain an antenna for >550-600 milli-Hertz.   For what purpose ?     KenW

John Robertson <spam@flippers.com>: Jan 03 03:21PM -0800 On 2021/01/03 11:38 a.m., Peter W. wrote:   > Hand guns are long guns are neither legitimate nor very useful for home defense other than perhaps as a club.   > Peter Wieck > Melrose Park, PA   Fear sells! Look at all the folks that bought into Trump...   John ;-#)#

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