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Re: discharging caps

From Cydrome Leader <presence@MUNGEpanix.com>
Newsgroups sci.electronics.design
Subject Re: discharging caps
Date 2026-09-17 07:19 +0000
Organization PANIX Public Access Internet and UNIX, NYC
Message-ID <118g4a3$t7v$1@reader1.panix.com> (permalink)
References <rpkt9llkh5le3emil2ae4632b37asgi9r4@4ax.com> <117n020$3h4mc$1@dont-email.me> <gh1u9l1861hl8cvdtu0skma4hlp19fbkpu@4ax.com>

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john larkin <jl@glen--canyon.com> wrote:
> On Mon, 7 Sep 2026 19:33:35 +0100, chrisq <syseng@gfsys.co.uk> wrote:
> 
>>On 9/7/26 16:18, john larkin wrote:
>>> Suppose we have a box with some big caps inside, for example 0.2
>>> farads that run at about 200 volts. When AC power is off, we want to
>>> discharge them for several reasons.
>>> 
>>> Putting, say, a 1K resistor across them dissipates 40 watts and has a
>>> 200 second time constant. It will take many tau before the voltage
>>> gets low enough for people to poke around inside.
>>> 
>>> The ideal discharger would be a constant-current or even better a
>>> constant-power load, all the way down to zero volts. It would be dumb,
>>> not switched by some decision circuit or anything fancy like that.
>>> 
>>> And of course we need several LEDs as warnings that the thing is hot.
>>> 
>>
>>What sort of design needs 0.2 Farad cap, at 200 volts ?. If you are
>>working at that level, put in a cheap relay and a rated heatsink
>>wirewound resistor to dump the energy, when the power goes off.
>>Cheap, and lossless as well. Motor drive inverters often have
>>big resistors to brake the motor.
>>
>>
>>> John Larkin
>>> Highland Tech Glen Canyon Design Center
>>> Lunatic Fringe Electronics
> 
> It's a 1500 amp laser driver.
> 
> The input to our box is DC, from an external power supply.
> 
> I do want a circuit that's foolproof, that always discharges the caps
> but doen't often go up in flames.
> 
> A resistor makes an exponential decay which could be a very long time
> to get down to safe levels. 

What is your version of safe levels? The NEC says 50 volts or less.
What is your definition of a very long time? The NEC used to specify energy storage systems should discharge to 50 volts or 
less in 5 minutes. I believe this was updated to 50 volts or less in 1 minutes for things like EV chargers and things like 
that.

If you're final solution is anything more complicated than a NC relay that drops a resistor across the cap bank when the power 
goes off and a door interlock that does the same, you're reinventing the wheel.

If you want a goofy solution, discharge your cap bank into another cap bank to drop the voltage at a high rate nearly 
instantaneously, then bleed it off with power resistors. You might be able to play some diodes games to make sure you don't 
accidentally end up with double the energy blowing up your laser if the discharge circuit faults. Old power packs for studio 
strobes had all sorts of weird stuff like this going on inside to divide up the energy across smaller or multiple stobe heads. 
4800J units were considerd decent sized unit and not unusual. Lookup Speedotron Blackline 4800.

 
> I thought the group might like a circuit design problem once in a
> while, a break from politics.
> 
> 
> John Larkin
> Highland Tech Glen Canyon Design Center
> Lunatic Fringe Electronics

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Thread

discharging caps john larkin <jl@glen--canyon.com> - 2026-09-07 08:18 -0700
  Re: discharging caps Simon Simple <nothanks@nottoday.co.uk> - 2026-09-07 17:20 +0100
    Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-07 09:58 -0700
      Re: discharging caps Simon Simple <nothanks@nottoday.co.uk> - 2026-09-07 19:51 +0100
      Re: discharging caps legg <legg@nospam.magma.ca> - 2026-09-08 10:27 -0400
        Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-08 08:16 -0700
        Re: discharging caps Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-09-08 15:44 +0000
          Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-08 09:35 -0700
  Re: discharging caps ehsjr <ehsjr@verizon.net> - 2026-09-07 12:26 -0400
    Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-07 10:00 -0700
      Re: discharging caps liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-09-07 19:32 +0100
        Re: discharging caps john larkin <jl@htigct.com> - 2026-09-07 15:38 -0700
      Re: discharging caps Jan Panteltje <alien@comet.invalid> - 2026-09-08 07:41 +0000
        Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-08 07:57 -0700
          Re: discharging caps Jan Panteltje <alien@comet.invalid> - 2026-09-08 15:23 +0000
            Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-08 09:38 -0700
              Re: discharging caps Jan Panteltje <alien@comet.invalid> - 2026-09-09 10:33 +0000
                Re: discharging caps Simon Simple <nothanks@nottoday.co.uk> - 2026-09-11 11:54 +0100
                Re: discharging caps Jan Panteltje <alien@comet.invalid> - 2026-09-11 11:01 +0000
                Re: discharging caps Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-09-11 13:59 +0000
  Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-08 04:28 +1000
    Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-07 11:59 -0700
  Re: discharging caps chrisq <syseng@gfsys.co.uk> - 2026-09-07 19:33 +0100
    Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-07 11:52 -0700
      Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-08 17:35 +1000
        Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-08 07:43 -0700
          Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-09 02:03 +1000
            Re: discharging caps john larkin <jl@htigct.com> - 2026-09-08 13:10 -0700
              Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-09 16:25 +1000
        Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-08 08:00 -0700
          Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-09 03:09 +1000
            Re: discharging caps john larkin <jl@htigct.com> - 2026-09-08 12:56 -0700
              Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-09 16:40 +1000
                Re: discharging caps piglet <erichpwagner@hotmail.com> - 2026-09-09 09:51 +0000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-09 03:44 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-09 20:57 +1000
                Re: discharging caps Jeroen Belleman <jeroen@nospam.please> - 2026-09-09 14:25 +0200
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-10 00:12 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-09 07:59 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-10 02:27 +1000
                Re: discharging caps john larkin <jl@htigct.com> - 2026-09-09 10:42 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-10 17:43 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-10 07:10 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-11 00:58 +1000
                Re: discharging caps chrisq <syseng@gfsys.co.uk> - 2026-09-09 17:29 +0100
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-10 03:35 +1000
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-10 01:32 +1000
                Re: discharging caps Jeroen Belleman <jeroen@nospam.please> - 2026-09-09 23:10 +0200
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-10 18:38 +1000
                Re: discharging caps antispam@fricas.org (Waldek Hebisch) - 2026-09-13 00:27 +0000
                Re: discharging caps Lane W <cactus_DAC@yahoo.com> - 2026-09-12 18:38 -0600
                Re: discharging caps antispam@fricas.org (Waldek Hebisch) - 2026-09-13 03:11 +0000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-13 07:50 -0700
                Re: discharging caps Lane W <cactus_DAC@yahoo.com> - 2026-09-13 09:14 -0600
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-14 02:18 +1000
                Re: discharging caps Lane W <cactus_DAC@yahoo.com> - 2026-09-13 10:28 -0600
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-14 01:28 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-13 12:03 -0700
                Re: discharging caps Simon Simple <nothanks@nottoday.co.uk> - 2026-09-13 23:54 +0100
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-13 17:12 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-14 16:05 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-14 08:21 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-15 18:28 +1000
                Re: discharging caps john larkin <jl@htigct.com> - 2026-09-15 10:23 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-16 18:39 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-16 03:21 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-16 21:16 +1000
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-14 15:59 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-14 08:22 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-15 18:31 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-12 17:59 -0700
                Re: discharging caps wmartin <wwm@wwmartin.net> - 2026-09-12 21:21 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-13 16:27 +1000
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-13 16:24 +1000
                Re: discharging caps antispam@fricas.org (Waldek Hebisch) - 2026-09-13 13:36 +0000
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-14 02:05 +1000
                Re: discharging caps John R Walliker <jrwalliker@gmail.com> - 2026-09-13 19:40 +0100
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-13 12:08 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-14 16:18 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-14 08:24 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-15 18:36 +1000
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-14 16:11 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-14 08:56 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-15 18:50 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-10 07:17 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-11 01:02 +1000
      Re: discharging caps chrisq <syseng@gfsys.co.uk> - 2026-09-08 11:19 +0100
        Re: discharging caps chrisq <syseng@gfsys.co.uk> - 2026-09-08 11:33 +0100
        Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-08 07:23 -0700
          Re: discharging caps chrisq <syseng@gfsys.co.uk> - 2026-09-08 16:28 +0100
            Re: discharging caps chrisq <syseng@gfsys.co.uk> - 2026-09-08 21:13 +0100
              Re: discharging caps john larkin <jl@htigct.com> - 2026-09-08 16:06 -0700
          Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-09 02:10 +1000
            Re: discharging caps john larkin <jl@htigct.com> - 2026-09-08 12:59 -0700
              Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-09 16:45 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-09 03:22 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-09 21:07 +1000
          Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-09 02:10 +1000
          Re: discharging caps Buzz McCool <buzz_mccool@yahoo.com> - 2026-09-14 09:44 -0700
            Re: discharging caps john larkin <jl@htigct.com> - 2026-09-14 10:15 -0700
      Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-11 16:23 +1000
        Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-11 07:45 -0700
          Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-12 01:59 +1000
      Re: discharging caps Cydrome Leader <presence@MUNGEpanix.com> - 2026-09-17 07:19 +0000
        Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-17 07:46 -0700
          Re: discharging caps Cydrome Leader <presence@MUNGEpanix.com> - 2026-09-18 04:54 +0000
            Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-18 07:57 -0700
          Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-18 15:45 +1000
            Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-18 08:02 -0700
              Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-19 16:40 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-19 08:48 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-20 16:30 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-20 02:17 -0700
                Re: discharging caps Simon Simple <nothanks@nottoday.co.uk> - 2026-09-20 12:30 +0100
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-21 00:52 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-20 08:46 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-21 17:41 +1000
    Re: discharging caps Jan Panteltje <alien@comet.invalid> - 2026-09-08 07:46 +0000
      Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-08 07:26 -0700
  Re: discharging caps Lasse Langwadt <llc@fonz.dk> - 2026-09-07 21:18 +0200
    Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-07 12:36 -0700
      Re: discharging caps liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-09-07 22:26 +0100
        Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-07 15:14 -0700
          Re: discharging caps "Edward Rawde" <invalid@invalid.invalid> - 2026-09-07 20:06 -0400
            Re: discharging caps Don Y <blockedofcourse@foo.invalid> - 2026-09-07 19:30 -0700
              Re: discharging caps "Edward Rawde" <invalid@invalid.invalid> - 2026-09-07 23:40 -0400
                Re: discharging caps Don Y <blockedofcourse@foo.invalid> - 2026-09-07 22:04 -0700
          Re: discharging caps liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-09-08 08:45 +0100
            Re: discharging caps John R Walliker <jrwalliker@gmail.com> - 2026-09-08 11:59 +0100
              Re: discharging caps liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-09-08 12:30 +0100
            Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-08 07:34 -0700
              Re: discharging caps ehsjr <ehsjr@verizon.net> - 2026-09-08 12:55 -0400
              Re: discharging caps liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-09-13 08:15 +0100
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-13 07:41 -0700
                Re: discharging caps liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-09-13 17:45 +0100
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-14 03:53 +1000
                Re: discharging caps John R Walliker <jrwalliker@gmail.com> - 2026-09-13 19:28 +0100
                Re: discharging caps ehsjr <ehsjr@verizon.net> - 2026-09-13 17:16 -0400
              Re: discharging caps legg <legg@nospam.magma.ca> - 2026-09-14 10:20 -0400
                Re: discharging caps liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-09-14 15:41 +0100
  Re: discharging caps Carl <carl.ijamesXX@YYverizon.net> - 2026-09-07 21:10 -0400
  Re: discharging caps legg <legg@nospam.magma.ca> - 2026-09-08 10:37 -0400
  Re: discharging caps Jeremiah Jones <jj@j.j> - 2026-09-08 22:14 -0700
  Re: discharging caps someone <2a59d59e3809f827ce709d3815e3950eef4a6a93af5557a93a7fdfba71460843@example.com> - 2026-09-09 17:45 +0000
    Re: discharging caps john larkin <jl@htigct.com> - 2026-09-09 11:40 -0700
    Re: discharging caps Simon Simple <nothanks@nottoday.co.uk> - 2026-09-10 09:55 +0100
      Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-10 07:20 -0700
        Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-11 16:32 +1000
          Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-11 07:46 -0700
        Re: discharging caps Simon Simple <nothanks@nottoday.co.uk> - 2026-09-11 17:08 +0100
          Re: discharging caps john larkin <jl@htigct.com> - 2026-09-11 14:28 -0700
            Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-12 16:24 +1000
              Re: discharging caps John R Walliker <jrwalliker@gmail.com> - 2026-09-12 10:49 +0100
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-13 01:09 +1000
              Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-12 07:54 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-13 01:20 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-12 09:12 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-13 02:53 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-12 12:43 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-13 16:37 +1000
  Re: discharging caps Joerg <news@analogconsultants.com> - 2026-09-09 15:15 -0700
    Re: discharging caps liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-09-10 12:25 +0100
      Re: discharging caps Simon Simple <nothanks@nottoday.co.uk> - 2026-09-10 13:09 +0100
        Re: discharging caps John R Walliker <jrwalliker@gmail.com> - 2026-09-10 14:10 +0100
          Re: discharging caps Joerg <news@analogconsultants.com> - 2026-09-10 11:05 -0700
          Re: discharging caps Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-09-10 19:12 +0000
  Re: discharging caps legg <legg@nospam.magma.ca> - 2026-09-13 14:52 -0400
    Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-13 12:17 -0700
      Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-14 16:25 +1000
      Re: discharging caps legg <legg@nospam.magma.ca> - 2026-09-14 10:15 -0400
      Re: discharging caps "Edward Rawde" <invalid@invalid.invalid> - 2026-09-17 19:53 -0400
        Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-17 19:15 -0700
          Re: discharging caps "Edward Rawde" <invalid@invalid.invalid> - 2026-09-17 23:50 -0400
          Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-18 15:58 +1000
            Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-18 07:26 -0700
              Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-19 16:26 +1000
            Re: discharging caps legg <legg@nospam.magma.ca> - 2026-09-20 11:25 -0400
              Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-20 08:42 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-21 17:54 +1000
                Re: discharging caps john larkin <jl@htigct.com> - 2026-09-21 10:09 -0700
                Re: discharging caps legg <legg@nospam.magma.ca> - 2026-09-21 08:59 -0400
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-21 08:02 -0700
                Re: discharging caps legg <legg@nospam.magma.ca> - 2026-09-21 13:00 -0400
                Re: discharging caps john larkin <jl@htigct.com> - 2026-09-21 10:12 -0700
                Re: discharging caps legg <legg@nospam.magma.ca> - 2026-09-22 10:12 -0400
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-22 08:25 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-23 03:55 +1000
                Re: discharging caps john larkin <jl@htigct.com> - 2026-09-22 17:36 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-23 16:18 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-23 09:05 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-24 16:36 +1000
                Re: discharging caps legg <legg@nospam.magma.ca> - 2026-09-24 08:11 -0400
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-24 07:26 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-25 00:52 +1000
                Re: discharging caps ehsjr <ehsjr@verizon.net> - 2026-09-24 18:40 -0400
                Re: discharging caps john larkin <jl@htigct.com> - 2026-09-24 16:22 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-25 16:50 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-25 07:26 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-26 01:32 +1000
                Re: discharging caps antispam@fricas.org (Waldek Hebisch) - 2026-09-26 03:12 +0000
                Re: discharging caps "Edward Rawde" <invalid@invalid.invalid> - 2026-09-26 00:38 -0400
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-26 07:08 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-27 01:07 +1000
                Re: discharging caps JM <sunaecoNoChoppedPork@gmail.com> - 2026-09-26 15:49 +0100
                Re: discharging caps john larkin <jl@htigct.com> - 2026-09-28 10:11 -0700
                Re: discharging caps legg <legg@nospam.magma.ca> - 2026-09-23 09:24 -0400
                Re: discharging caps Jan Panteltje <alien@comet.invalid> - 2026-09-21 17:01 +0000
            Re: discharging caps legg <legg@nospam.magma.ca> - 2026-09-20 11:44 -0400
  Re: discharging caps liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-09-23 21:42 +0100
    Re: discharging caps Lane W <cactus_DAC@yahoo.com> - 2026-09-23 14:44 -0600
      Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-23 17:51 -0700
      Re: discharging caps liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-09-24 10:07 +0100
        Re: discharging caps Simon Simple <nothanks@nottoday.co.uk> - 2026-09-24 12:01 +0100
          Re: discharging caps liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-09-24 13:59 +0100
    Re: discharging caps john larkin <jl@htigct.com> - 2026-09-23 14:16 -0700
      Re: discharging caps liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-09-24 10:07 +0100
        Re: discharging caps john larkin <jl@htigct.com> - 2026-09-24 11:51 -0700
      Re: discharging caps legg <legg@nospam.magma.ca> - 2026-09-24 07:58 -0400
    Re: discharging caps legg <legg@nospam.magma.ca> - 2026-09-24 07:54 -0400
      Re: discharging caps liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-09-24 13:59 +0100
        Re: discharging caps legg <legg@nospam.magma.ca> - 2026-09-24 17:56 -0400
          Re: discharging caps john larkin <jl@htigct.com> - 2026-09-24 16:27 -0700
          Re: discharging caps liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-09-25 09:22 +0100
      Re: discharging caps john larkin <jl@htigct.com> - 2026-09-24 11:55 -0700
        Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-25 17:09 +1000
          Re: discharging caps Jeroen Belleman <jeroen@nospam.please> - 2026-09-25 09:38 +0200
            Re: discharging caps John R Walliker <jrwalliker@gmail.com> - 2026-09-25 10:59 +0100
              Re: discharging caps Jeroen Belleman <jeroen@nospam.please> - 2026-09-25 12:28 +0200
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-25 22:42 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-25 07:38 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-26 01:11 +1000
                Re: discharging caps Jeroen Belleman <jeroen@nospam.please> - 2026-09-25 19:59 +0200
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-26 15:56 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-26 09:24 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-27 16:22 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-27 03:20 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-27 20:55 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-27 07:59 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-28 12:35 +1000
                Re: discharging caps john larkin <jl@htigct.com> - 2026-09-28 10:15 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-29 17:22 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-26 07:20 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-27 01:26 +1000
                Re: discharging caps Jeroen Belleman <jeroen@nospam.please> - 2026-09-26 22:58 +0200
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-26 16:20 -0700
                Re: discharging caps Jan Panteltje <alien@comet.invalid> - 2026-09-27 07:39 +0000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-27 03:29 -0700
                Re: discharging caps Jan Panteltje <alien@comet.invalid> - 2026-09-27 13:50 +0000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-27 08:04 -0700
                Re: discharging caps Jan Panteltje <alien@comet.invalid> - 2026-09-27 15:16 +0000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-27 08:29 -0700
                Re: discharging caps Jan Panteltje <alien@comet.invalid> - 2026-09-28 06:38 +0000
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-28 17:34 +1000
                Re: discharging caps john larkin <jl@htigct.com> - 2026-09-28 10:17 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-29 17:09 +1000
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-28 12:54 +1000
                Re: discharging caps john larkin <jl@glen--canyon.com> - 2026-09-27 20:14 -0700
                Re: discharging caps Bill Sloman <bill.sloman@ieee.org> - 2026-09-28 16:58 +1000
                Re: discharging caps legg <legg@nospam.magma.ca> - 2026-09-26 10:25 -0400

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