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Re: Several problems with HP printer. OP: FOLLOW UP

From "Carlos E.R." <robin_listas@es.invalid>
Newsgroups comp.periphs.printers, alt.comp.os.windows-10, alt.comp.os.windows-11
Subject Re: Several problems with HP printer. OP: FOLLOW UP
Date 2025-10-27 11:12 +0100
Message-ID <f5t3tlxcs3.ln2@Telcontar.valinor> (permalink)
References (13 earlier) <10ddrao$20nsr$1@dont-email.me> <10de5j7$25ia9$1@dont-email.me> <10de9fp$26m1s$1@dont-email.me> <10debn9$27c6v$1@dont-email.me> <10df0u9$2c7ie$1@dont-email.me>

Cross-posted to 3 groups.

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On 2025-10-24 06:56, Paul wrote:
> On Thu, 10/23/2025 6:54 PM, knuttle wrote:
>> On 10/23/2025 6:16 PM, Paul wrote:

...
> The fire department uses 900MHz. The fire fighter stand near the
> elevator core, when communicating between floors.

The building should have a special coax cable going to basement to top, 
maybe in the elevator well or nearby, that misses a section of the mesh 
at each flat, acting as a duct for the waves from floor to floor.

https://en.wikipedia.org/wiki/Leaky_feeder

> 
> GPS does not work inside the house (except if you press your gear
> right up against the window). That's a microwave frequency.
> 
> But AM and FM radio easily penetrate the house shell. You can likely
> manage to block that, with foil backed insulation everywhere. but for
> a lot of houses, the AM/FM radio works OK. These are lower frequencies
> that penetrate materials (88-108MHz for FM).
> 
> We can communicate with submarines at depth. The data rate is poor.
> Radio is "not supposed to work underwater", but we made it work.
> This involves ultra-low frequencies and transmitters with four large
> diesel generators running to make it work. If we tried to make Wifi
> work at the bottom of your swimming pool... that's not going to work.

AFAIK it is unidirectional, from land to sub. The sub trails a long wire 
behind. They use slow morse.

But there is related system that work in caves. ELF waves. I saw a 
prototype in an electronics magazine long ago.

...

> Some broadcast TV systems in cottage country, work because
> there are "two hops over water". And I consider it hilarious,
> when a grain ship sailing out in the bay... and the analog TV stops
> or the picture starts to ripple :-) That's a propagation
> effect at a distance. Some people in cities, were receiving
> broadcast analog television, because it was reflected off a billboard
> on the side of a hill. Productive multi-path. Nobody thought of
> replacing that or duplicating it, with a purpose built reflector.

HAMs used Moon reflection. I think there was a test with a satellite 
that was a big metallized balloon.

-- 
Cheers, Carlos.
ES🇪🇸, EU🇪🇺;

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Thread

Several problems with HP printer.  micky <NONONOmisc07@fmguy.com> - 2024-11-27 11:10 -0500
  Re: Several problems with HP printer. knuttle <keith_nuttle@yahoo.com> - 2024-11-27 11:32 -0500
    Re: Several problems with HP printer. Graham J <nobody@nowhere.co.uk> - 2024-11-27 16:45 +0000
      Re: Several problems with HP printer. micky <NONONOmisc07@fmguy.com> - 2024-11-27 12:11 -0500
        Re: Several problems with HP printer. micky <NONONOmisc07@fmguy.com> - 2024-11-27 12:25 -0500
          Re: Several problems with HP printer. Ed Cryer <ed@somewhere.in.the.uk> - 2024-11-27 18:37 +0000
      Re: Several problems with HP printer. Stuart <Spambin@argonet.co.uk> - 2024-11-27 17:45 +0000
        Re: Several problems with HP printer. Mark Lloyd <not.email@all.invalid> - 2024-11-28 20:22 +0000
          Re: Several problems with HP printer. micky <NONONOmisc07@fmguy.com> - 2024-11-29 10:56 -0500
      Re: Several problems with HP printer. mick <nospam@junk.mail> - 2024-11-27 18:32 +0000
      Re: Several problems with HP printer. Frank Slootweg <this@ddress.is.invalid> - 2024-11-27 19:03 +0000
      Re: Several problems with HP printer. Hank Rogers <Hank@nospam.invalid> - 2024-11-27 15:07 -0600
        Re: Several problems with HP printer. micky <NONONOmisc07@fmguy.com> - 2024-11-27 23:14 -0500
          Re: Several problems with HP printer. "Carlos E.R." <robin_listas@es.invalid> - 2024-11-28 14:14 +0100
            Re: Several problems with HP printer. Paul <nospam@needed.invalid> - 2024-11-28 14:00 -0500
              Re: Several problems with HP printer. "Carlos E.R." <robin_listas@es.invalid> - 2024-11-29 01:10 +0100
                Re: Several problems with HP printer. micky <NONONOmisc07@fmguy.com> - 2024-11-28 19:31 -0500
      Re: Several problems with HP printer. "Carlos E.R." <robin_listas@es.invalid> - 2024-11-27 23:05 +0100
        Re: Several problems with HP printer. Frank Slootweg <this@ddress.is.invalid> - 2024-11-28 11:23 +0000
          Re: Several problems with HP printer. Frank Slootweg <this@ddress.is.invalid> - 2024-11-28 11:32 +0000
            Re: Several problems with HP printer. micky <NONONOmisc07@fmguy.com> - 2024-11-28 19:33 -0500
          Re: Several problems with HP printer. "Carlos E.R." <robin_listas@es.invalid> - 2024-11-28 14:23 +0100
            Re: Several problems with HP printer. knuttle <keith_nuttle@yahoo.com> - 2024-11-28 08:54 -0500
              Re: Several problems with HP printer. "Carlos E.R." <robin_listas@es.invalid> - 2024-11-28 15:19 +0100
              Re: Several problems with HP printer. Stuart <Spambin@argonet.co.uk> - 2024-11-28 14:30 +0000
              Re: Several problems with HP printer. Mark Lloyd <not.email@all.invalid> - 2024-11-28 20:40 +0000
            Re: Several problems with HP printer. Paul <nospam@needed.invalid> - 2024-11-28 14:22 -0500
              Re: Several problems with HP printer. "Carlos E.R." <robin_listas@es.invalid> - 2024-11-29 01:16 +0100
            Re: Several problems with HP printer. micky <NONONOmisc07@fmguy.com> - 2024-11-28 19:34 -0500
            Re: Several problems with HP printer. Frank Slootweg <this@ddress.is.invalid> - 2024-11-29 14:44 +0000
              Re: Several problems with HP printer. knuttle <keith_nuttle@yahoo.com> - 2024-11-29 12:08 -0500
                Re: Several problems with HP printer. "Carlos E.R." <robin_listas@es.invalid> - 2024-11-29 22:57 +0100
              Re: Several problems with HP printer. "Carlos E.R." <robin_listas@es.invalid> - 2024-11-29 22:54 +0100
      Re: Several problems with HP printer. Fokke Nauta <fnauta@solfon.nl> - 2024-11-28 21:50 +0100
        Re: Several problems with HP printer. Paul <nospam@needed.invalid> - 2024-11-28 23:42 -0500
          Re: Several problems with HP printer. Frank Slootweg <this@ddress.is.invalid> - 2024-11-29 15:08 +0000
            Re: Several problems with HP printer. "Carlos E.R." <robin_listas@es.invalid> - 2024-11-29 23:02 +0100
          Re: Several problems with HP printer. Sam E <no.email@here.invalid> - 2024-11-29 19:48 +0000
      Re: Several problems with HP printer. TJ <TJ@noneofyour.business> - 2025-10-21 15:19 -0400
        Re: Several problems with HP printer. OP: FOLLOW UP knuttle <keith_nuttle@yahoo.com> - 2025-10-21 16:53 -0400
          Re: Several problems with HP printer. OP: FOLLOW UP TJ <TJ@noneofyour.business> - 2025-10-21 17:54 -0400
            Re: Several problems with HP printer. OP: FOLLOW UP Paul <nospam@needed.invalid> - 2025-10-21 23:34 -0400
              Re: Several problems with HP printer. OP: FOLLOW UP Stuart <Spambin@argonet.co.uk> - 2025-10-22 16:30 +0000
                Re: Several problems with HP printer. OP: FOLLOW UP Paul <nospam@needed.invalid> - 2025-10-22 13:21 -0400
                Re: Several problems with HP printer. OP: FOLLOW UP knuttle <keith_nuttle@yahoo.com> - 2025-10-22 13:30 -0400
                Re: Several problems with HP printer. OP: FOLLOW UP Paul <nospam@needed.invalid> - 2025-10-22 14:04 -0400
                Re: Several problems with HP printer. OP: FOLLOW UP Frank Slootweg <this@ddress.is.invalid> - 2025-10-23 08:51 +0000
                Re: Several problems with HP printer. OP: FOLLOW UP wasbit <wasbit@REMOVEhotmail.com> - 2025-10-24 09:33 +0100
                Re: Several problems with HP printer. OP: FOLLOW UP Frank Slootweg <this@ddress.is.invalid> - 2025-10-23 08:43 +0000
                Re: Several problems with HP printer. OP: FOLLOW UP Paul <nospam@needed.invalid> - 2025-10-23 09:20 -0400
                Re: Several problems with HP printer. OP: FOLLOW UP "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-10-23 14:53 +0100
                Re: Several problems with HP printer. OP: FOLLOW UP Frank Slootweg <this@ddress.is.invalid> - 2025-10-23 14:15 +0000
                Re: Several problems with HP printer. OP: FOLLOW UP knuttle <keith_nuttle@yahoo.com> - 2025-10-23 11:48 -0400
                Re: Several problems with HP printer. OP: FOLLOW UP Frank Slootweg <this@ddress.is.invalid> - 2025-10-23 17:35 +0000
                Re: Several problems with HP printer. OP: FOLLOW UP knuttle <keith_nuttle@yahoo.com> - 2025-10-23 14:14 -0400
                Re: Several problems with HP printer. OP: FOLLOW UP Graham J <nobody@nowhere.co.uk> - 2025-10-23 22:09 +0100
                Re: Several problems with HP printer. OP: FOLLOW UP Paul <nospam@needed.invalid> - 2025-10-23 18:16 -0400
                Re: Several problems with HP printer. OP: FOLLOW UP knuttle <keith_nuttle@yahoo.com> - 2025-10-23 18:54 -0400
                Re: Several problems with HP printer. OP: FOLLOW UP Paul <nospam@needed.invalid> - 2025-10-24 00:56 -0400
                Re: Several problems with HP printer. OP: FOLLOW UP "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-10-24 08:29 +0100
                Re: Several problems with HP printer. OP: FOLLOW UP Paul <nospam@needed.invalid> - 2025-10-24 11:34 -0400
                Re: Several problems with HP printer. OP: FOLLOW UP "Carlos E.R." <robin_listas@es.invalid> - 2025-10-27 11:12 +0100
                Re: Several problems with HP printer. OP: FOLLOW UP "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-10-27 11:14 +0000
                Re: Several problems with HP printer. OP: FOLLOW UP knuttle <keith_nuttle@yahoo.com> - 2025-10-23 18:34 -0400
                Re: Several problems with HP printer. OP: FOLLOW UP "Carlos E.R." <robin_listas@es.invalid> - 2025-10-27 10:54 +0100
                Re: Several problems with HP printer. OP: FOLLOW UP Graham J <nobody@nowhere.co.uk> - 2025-10-27 10:19 +0000
                Re: Several problems with HP printer. OP: FOLLOW UP "Carlos E.R." <robin_listas@es.invalid> - 2025-10-27 12:03 +0100
              Re: Several problems with HP printer. OP: FOLLOW UP Hank Rogers <Hank@nospam.invalid> - 2025-10-22 18:58 -0500
              Re: Several problems with HP printer. OP: FOLLOW UP TJ <TJ@noneofyour.business> - 2025-10-22 21:37 -0400
                Re: Several problems with HP printer. OP: FOLLOW UP "Carlos E.R." <robin_listas@es.invalid> - 2025-10-27 10:45 +0100
                Re: Several problems with HP printer. OP: FOLLOW UP Nuno Silva <nunojsilva@invalid.invalid> - 2025-10-28 01:39 +0000
                Re: Several problems with HP printer. OP: FOLLOW UP "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-10-28 12:09 +0000
                Re: Several problems with HP printer. OP: FOLLOW UP "Carlos E.R." <robin_listas@es.invalid> - 2025-10-28 14:50 +0100
                Re: Several problems with HP printer. OP: FOLLOW UP knuttle <keith_nuttle@yahoo.com> - 2025-10-28 12:17 -0400
                Re: Several problems with HP printer. OP: FOLLOW UP Frank Slootweg <this@ddress.is.invalid> - 2025-10-28 16:54 +0000
                Re: Several problems with HP printer. OP: FOLLOW UP Paul <nospam@needed.invalid> - 2025-10-28 14:38 -0400
                Re: Several problems with HP printer. OP: FOLLOW UP Hank Rogers <Hank@nospam.invalid> - 2025-10-28 18:04 -0500
                Re: Several problems with HP printer. OP: FOLLOW UP knuttle <keith_nuttle@yahoo.com> - 2025-10-28 21:33 -0400
                Re: Several problems with HP printer. OP: FOLLOW UP Paul <nospam@needed.invalid> - 2025-10-29 09:12 -0400
                Re: Several problems with HP printer. OP: FOLLOW UP Nuno Silva <nunojsilva@invalid.invalid> - 2025-11-02 08:46 +0000
                Re: Several problems with HP printer. OP: FOLLOW UP Andy Burns <usenet@andyburns.uk> - 2025-11-02 10:16 +0000
                Re: Several problems with HP printer. OP: FOLLOW UP Paul <nospam@needed.invalid> - 2025-11-02 06:18 -0500
                Re: Several problems with HP printer. OP: FOLLOW UP Andy Burns <usenet@andyburns.uk> - 2025-11-02 11:25 +0000
                Re: Several problems with HP printer. OP: FOLLOW UP Mark Lloyd <not.email@all.invalid> - 2025-11-02 20:06 +0000
                Re: Several problems with HP printer. OP: FOLLOW UP Mark Lloyd <not.email@all.invalid> - 2025-11-02 20:03 +0000
                Re: Several problems with HP printer. OP: FOLLOW UP TJ <TJ@noneofyour.business> - 2025-10-28 21:32 -0400
                Re: Several problems with HP printer. OP: FOLLOW UP Allodoxaphobia <trepidation@example.net> - 2025-11-02 13:54 +0000
    Re: Several problems with HP printer. micky <NONONOmisc07@fmguy.com> - 2024-11-27 12:27 -0500
      Re: Several problems with HP printer. mick <nospam@junk.mail> - 2024-11-27 18:40 +0000
      Re: Several problems with HP printer. "Carlos E.R." <robin_listas@es.invalid> - 2024-11-29 23:12 +0100
  Re: Several problems with HP printer. "Carlos E.R." <robin_listas@es.invalid> - 2024-11-27 23:21 +0100
  Re: Several problems with HP printer. Mark Lloyd <not.email@all.invalid> - 2024-11-28 20:05 +0000
    Re: Several problems with HP printer. Paul <nospam@needed.invalid> - 2025-10-23 04:12 -0400

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