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Sure it is, but they charge for the data and limit that. Any other plan is handled in the phone, not in the network. It's been that way for a long t ime. That's why they have menu options for updating the "account" meaning they load more minutes into the phone.

Do you wear a belt and suspenders? Phones are all digital and have encrypt ion that only the government can crack... if them. More likely they simply are given the keys.

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None of which are valid.

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  Rick C. 

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Not exactly; only LOCAL networking, there's strict length limits. From a building to the local telco station, there has to be another link. Fiber for miles, Ethernet for tens of meters, and 5G is just a new (complicated, costly, flexible) interconnect between those length scales.

Gardner specialises in invalid points.

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Well, if the 'away team' had to be in trouble, there were weather/planetary conditions that DID make the communicators unreliable. So, we should site

5G network nodes with full knowledge of the 'drama requires complications' geographic sites.

That makes Las Vegas, New York, Los Angeles, New Orleans very hard to equip for the new tech.

Exactly what a good leader is NOT. Describing your own employees as 'bad' doesn't apply any direction, and when he DOES apply direction, it doesn't make sense. Didn't he actually say, AFTER firing an ambassador, that her choice of office decor was a problem?

No, toppling the Roman Empire didn't result in 'great things', it resulted in 'dark ages'. You seem to be applying the rose-colored glasses again, if you confuse creation (like anabolism) with destruction (like catabolism). The Donald has attacked treaties (NAFTA,Trans- Pacific Partnership, Iranian compromise, Paris Accords) but that doesn't imply he's replaced them.

Congress refused to let him do in the affordable care act, because his replacement plan was... empty and dark, thus completely unacceptable.

No. Where on earth did you get that idea?

I used to work for a company that made realtime PAYG billing systems, and even designed one. Hence I'm intimately aware of how that is normally done.

The billing server tells the network when to chop the service, and the telcos got /very/ shirty if it was a second late :)

Having said that, it is always possible that some telcos are incompetent in this area, but they do tend to pay attention to their revenue stream.

Recharging mechanisms are /completely/ separate to PAYG billing systems, except where they increment the money in the pot.

Which bit of 25 years ago did you not see?

Back then analogue systems were common (hence cloning) and PAYG systems were a few years in the future.

Cloning per se has disappeared, but there is a more pernicious equivalent: the malefactors simply get the telcos to change your phone number so that it goes to their phone.

If they also have your banking details and the bank uses SMSs to your phone for 2FA, then the malefactors can setup new transfer destinations and empty your bank account.

Yes, that exploit has been seen in the wild.

You clearly have little experience in how cellular telecom systems work *and fail*.

Unfortunately I have very direct experience of that topic.

You, OTOH...

On 31/08/17 22:59, Cursitor Doom wrote: > On Thu, 31 Aug 2017 11:22:14 -0700, lonmkusch wrote: > >> While you're deciding, I think I'm going to stroll over to RT for some >> good unbiased news. > > If you can't see that RT is a zillion times more reputable as a news > source than CNN/NBC/BBC et al, you must be totally blind. Sure they > aren't 100% impartial; no news organisation is. But they are my most > trusted news source even if not yours - until such time as I ever > discover otherwise, of course.

On 19/08/18 20:41, Cursitor Doom wrote: > On Sun, 19 Aug 2018 19:09:10 +0000, Rob wrote: > >> Cursitor Doom wrote: >>> On Sun, 19 Aug 2018 11:28:10 -0700, mike wrote: >>> >>>> What's so hard about putting a resistor in parallel with your meter? >>> >>> Never even occurred to me. >> >> That's what you get when people lack basic understanding of the matter. > > I've only recently discovered that I invariably overlook simpler > solutions. Fortunately I'm only a hobbyist and don't do this for a living!

etc

Yes. Light discharges DRAM cells, essentially reduces the refresh time. So black spots show up on bits where light hits; no grey levels of course. That led to CCD and CMOS imagers.

--

John Larkin         Highland Technology, Inc 

lunatic fringe electronics

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I believe you are in the UK, so they do things the hard way there. In the US pay by the minute phones are given some amount of minutes and have to be topped off. If the time were tracked by the network you could just add mi nutes easily. Instead you have have the phone get the added minutes over t he air or buy a card and add the minutes by entering the number in the phon e.

If you lose or break the phone there is no way to use those minutes on anot her phone as you could if the network was tracking the minutes.

ning

I don't know about a PAYG system or even what it is. I was told directly b y a customer service person that the phones track the minutes and the compa ny can't do anything about a phone malfunction. It's like losing your winn ing lottery ticket.

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I saw the part where you said you didn't change your mind since then.

Wow! The phone system in the UK must be very messed up.

More messed up stuff. I pay my bill once a month however I choose and they store no banking details on their systems. My bank does have my payment i nfo for the various bills. So the bad guys can break into my bank and pay my bills if they want.

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Just the parts I've explained which you don't seem to be refuting.

--

  Rick C. 

  ---+ Get 1,000 miles of free Supercharging 
  ---+ Tesla referral code - https://ts.la/richard11209

No, I've never heard the far side of a conversation enough to understand what is being said, and my hearing is good.

But don't take my word for it. Here's an expert.

--

John Larkin         Highland Technology, Inc 

lunatic fringe electronics

niptechnology.com:

DRAM would be similar to a CMOS imager with an amplifier per pixel/cell CCDs are different

Yes, most places do add minutes (etc) easily /because/ the pot is stored in a telco server.

That mechanism indicates nothing about where the pot is stored.

There is here, and in many places.

There are (or rather ought to be) hurdles with authenticating the request to transfer the pots, but that is a separate issue.

Pay As You Go. Realtime charging, not account based.

Wow, you believe statements from a random customer services person?!

Consider that they principally follow scripts, and are carefully monitored so they "satisfy" a specified number of customers/hour. Talk too long and they'll tend to say anything to be able to move to the next person and so keep their KPIs looking "healthy".

As I said, I worked in the industry, designed billing systems. I'll add that my employer insisted I patent what I invented.

So, yes, I do know more than a random CSA.

Your previous comment is inconsistent with that statement.

The ease with which telcos allow that is indeed a disgrace.

Telcos are oriented to not putting any impediment in the way of their customers being delighted with the service they receive.

Bank fraud is therefore an externality - why /should/ they care?

The customer's bank details would be determined by other nefarious means; the telcos are not necessarily involved.

Many people give their phone number and address to many organisations that can be very leaky.

The malefactors bring the two sets of information together, and bingo!

Read again. Try comprehending.

On Sunday, 24 November 2019 13:29:16 UTC-8, snipped-for-privacy@highlandsniptechnology.com wrote: ...

I'm skeptical that history of silicon imaging deices was like that as there are papers describing CMOS imagers that had already been made by 1968, before the first DRAM was commercially available in 1970 Intel 1103).

Yes, DRAMs have been used to make crude imagers from DRAMs but they were not in the development path of them.

kw

I had cause to investigate local positioning systems recently for a possible animal tracking project. UWB is the way to go.

The premium players are Humatics (was Time Domain) and Ubisense, which go down to 2cm localisation in 3D.

But for what I wanted Bespoon and systems look very nice. Decawave would have needed a PA because its range is only like 60m, but Bespoon reaches further.

There's a review paper here:

Some folk are keen on the Semtech SX1280 systems, but those really can't handle multi-path due to the narrow bandwidth. Ok for a balloon but not urban location.

Clifford Heath.

What are you talking about ? GSM is fine here.

So you think that only twisted pairs is Ethernet ? What about Thin wire (RG-58) or Thick wire (with vampire taps) or various single or multi mode fibre ? They all use the same framing, there are just media converters in between.

National IXP (Internet Exchange Point) between ISPs are implemented with Ethernet switches, not with some telephone derived technology PDH/SDH).

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Ok, READ MY LIPS! In the US pay by the minute phones store the time in the phone. You have to access the phone in order to add minutes. If the acco unting were only in the servers you would not even need for the phone to be turned on to update the minutes. Here that is not possible without intera cting through the phone.

I've given you enough info to prove my point. I won't continue to argue th is issue with you.

Of course it does. When I was on a plan with Cell One they gave me minutes which they tracked and I had no need to interact in any way with the phone to view/pay or otherwise deal with the billing because the info was all on their servers.

By pots I assume you mean the phone number? If I am the account holder I o nly need to verify my identity then I can transfer the account to any phone I wish that is supported by their network. I'm not sure what your point i s, but at this point I don't care.

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Gauging from this exchange, not really. You are talking about the phone sy stem here based on your experience where you are some 4,000 miles and under different laws and regulations. Whatever.

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Whatever. Enjoy.

--

  Rick C. 

  --+- Get 1,000 miles of free Supercharging 
  --+- Tesla referral code - https://ts.la/richard11209

On a sunny day (Sun, 24 Nov 2019 14:28:47 -0800 (PST)) it happened keith wright wrote in :

Exactly, The 'See my DRAM can work as camera' hack was done much later and IIRC published in Elektor or whatever magazine at that time, I tried it too.

I remember in the late sixties early seventies when working with plumbicon color cameras somebody told us Philips (we used Philips cameras) already had a CCD sensor, we had whole discussions how that would change things. There were no PCs at that time, everything was logic.

Yes, UWB is a neat, new area. I'd love to be able to devote some time to working in that arena.

I'd come across Decawave but not Bespoon. That looks like a neat module, and the reference is a good starting point.

I believe the 60GHz positioning described below was after better than 2cm resolution, but maybe it was just to crudely detect "about to crash into endstops" conditions.

Most radio enviroments have lots of multipath!