// #eevblog — 2019-01-15
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03:28:51 <Ampera> Halcyon, https://www.extremetech.com/internet/281991-australia-becomes-first-western-nation-to-ban-secure-encryption
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08:04:04 <mrpackethead> T3s1aC01l, the air coming from below seems to work really well
08:04:21 <mrpackethead> makes a much bigger differnece than a heat sink.
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09:06:10 <mrpackethead> T3s14 good mornin
10:02:23 <mrpackethead> T3sl4, good morning
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10:56:03 <mrpackethead> hey DHess_US
11:11:21 <T3sl4> o/
11:19:28 <mrpackethead> T3sl4, so heat sink is largely useless.
11:19:35 <mrpackethead> but forced air, is highly effective
11:19:44 <mrpackethead> and it will be easy to implement
11:19:53 <T3sl4> woo
11:20:38 <mrpackethead> i did my best to make something that was close to a pcb, and ran 1A through it
11:21:01 <mrpackethead> 35C difference with forced air.. less than 5C with heat sink
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12:12:14 <mrpackethead> T3sl4, anything i should be careful with, when testing the inductance, while i'm changing the other various conditions?
12:16:36 <T3sl4> i don't think you're likely to damage it, any more than current thru the winding will?
12:17:19 <T3sl4> check signal level as well as inductance, i suppose? saturation falls with DC bias and temp
12:20:04 <mrpackethead> not so much from an 'danger' perspective, more about making sure i've made some meaningful measurement
12:23:25 <DHess_US> Some magnetic materials are damaged by excessive flux but that is unlikely to be an issue with an ethernet transformer.
12:23:47 <T3sl4> apparently it's NiZn ferrite so that's actually relevant
12:25:09 <DHess_US> Bob Pease had a story about it. The guys at receiving were testing some weird transformer for continuity of the windings and ruining them all. He figured out that you had to give them *something* to measure so the new inspection instructions were to count the number of leads.
12:25:30 <T3sl4> haha
12:25:41 <DHess_US> You couldn't just say "don't test".
12:25:53 <T3sl4> that must've been one fucking high impedance transformer to be damaged by continuity
12:26:00 <T3sl4> or they were used to testing continuity of busbars
12:26:27 <DHess_US> It was magnetizing the transformer core.
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16:29:56 Quit: steve30000 ([email protected]) Quit: <Baljem> steve30: by the way, I had the most bizarre dream the other day that someone came in here and seriously flipped their shit over your quit message and why aren't the ops /doing/ something about it
19:20:07 <Halcyon> Evening all
19:24:45 <gremlinz> evenin'
19:25:30 <ibiza> a very good evening for me!
19:25:38 <ibiza> as long as my nbn stays connected x
19:32:21 <DogWomble> evening :)
19:34:05 <Halcyon> Hahah
19:34:10 <Halcyon> Ibiza: I feel your pain
19:38:30 <ibiza> Halcyon, what issue you been having?
19:38:42 <Halcyon> The NBN is shit
19:38:53 <ibiza> What type of connection you got?
19:39:07 <Halcyon> More specifically I can't get over 30Mbps downstream sync because my lines are crap but before it would drop out 5-10 times per day.
19:39:09 <Halcyon> FTTN
19:39:48 <Halcyon> Also, I'm told the minimum service guarantee from NBN Co is no longer 25 Mbps line sync over 24 hours, it's now 12.
19:39:54 <ibiza> Is your modem direclty connected to telstra box outside the house?
19:39:55 <Halcyon> Because 12 Mbps is enough for everyone apparently.
19:40:06 <ibiza> or is it linked with other sockets in the house?
19:40:22 <Halcyon> I don't have a Telstra box, but if you mean does my wall socket connect straight to the street, yes. It does
19:40:34 <Halcyon> It's also a new house so the copper lead-in is also brand new.
19:41:08 <ibiza> how many phone sockets in the house
19:41:12 <Halcyon> Just the 1
19:41:22 <Halcyon> (I did the networking in this house myself)
19:41:29 <Halcyon> I also used to work for a Telco :)
19:41:30 <ibiza> dam
19:41:48 <ibiza> what has aussiebb been like for you?
19:42:15 <Halcyon> There is literally nothing I can do to improve the situation, the problem is out there in the street, but because it's stable (relatively) and I'm getting more than 12Mbps downstream, NBN Co. consider it a working service and won't touch it.
19:42:20 <Halcyon> Fantastic
19:42:50 <Halcyon> Really good tech support (they actually know what they are talking about), plus I don't have to sit on hold to India or the Philippines.
19:43:33 <Halcyon> They are also the only service provider I have seen who actually publicly make their CVC graphs available for all: https://www.aussiebroadband.com.au/cvc-graphs/
19:45:38 <DogWomble> yeah, aussie broadband have a decent reputation
19:45:50 <Halcyon> When I was talking to their tech guys, they filled me in on a few little things a lot of providers do now... for example, most RSPs will put fixed line customers on carrier grade NAT if they are short on IP addresses (as you know, the public IPv4 pool ran out a long time ago). But if you ask Aussie BB, they will opt you out of CG-NAT
19:47:00 <ibiza> yeah heard about that
19:47:08 <ibiza> we just put aussiebb at one of the work sites
19:47:21 <ibiza> i was a bit silly and just migrated my adsl from telstra to nbn
19:47:27 <ibiza> should of went with aussie
19:47:47 <DogWomble> yeah, i'm not a huge telstra fan
19:47:54 <Halcyon> Can you get out of your contract? Just say that you aren't getting the experience/speeds/stability you were expecting.
19:48:08 <ibiza> now that my nbn is working, looking forward to seeing how stable i am. tech said my line is perfect
19:48:15 <Halcyon> Telstra (with a bit of persuasion) will let you off your contract without penalty
19:48:16 <ibiza> am going to try Halcyon
19:48:29 <ibiza> They offered me an $89 credit today, told them no thanks, and to esculate it
19:48:48 <Halcyon> Just double-check ibiza that Telstra didn't "fix" your NBN issues by just sticking your connection on a stability profile
19:49:04 <ibiza> nah they didn't, issue was with cabling at the nbn box
19:49:05 <Halcyon> Which drops your sync rate in order to improve stability
19:49:10 <Halcyon> Ahh very good
19:49:17 <ibiza> They switched my ports, but NBN never updated it
19:49:29 <DogWomble> i think the most bizarre trick they've tried to pull on me was at the last place i lived at, apaprently having a phone line through telstra and a DSL line that plugs into a telstra port, that still makes a few meters of missing phone line an optus problem
19:49:38 <Halcyon> But just check anyway, some RSPs turn on stability by default (for example. More Telecom do this).
19:49:50 <ibiza> Halcyon, yup, just checked about 10mins ago hehe
19:49:55 <ibiza> Halcyon, what modem router are you using
19:49:57 <Halcyon> Good work :)
19:50:05 <ibiza> DogWomble, how about you? what modem router you using and which type of service
19:50:09 <Halcyon> I use a TP-Link modem in bridge mode to a pfsense machine
19:50:24 <DogWomble> i'm on fttn, running an asus dsl-ac68u
19:50:43 <Halcyon> The TP-link's use a Broadcom chipset, which is recommended for best compatibility for FTTN node equipment.
19:51:29 <ibiza> i'm thinking of getting https://www.centrecom.com.au/tp-link-archer-vr2800-ac2800-adslvdsl-wireless-modem-router
19:51:47 <ibiza> its medium use for what we use the internet for here, and never had an issue with the tp-link gear for home
19:52:12 <Halcyon> I've never used that particular model, but for a plug-and-play solution, should be fairly decent. Do you want me to see if I can get it cheaper through my suppliers?
19:52:26 <DogWomble> well one thing to bear in mind - if you keep your landline and convert it to voip, some ISP's prefer you use their equipment
19:52:39 <Halcyon> Some ISPs can get fucked Tim :P
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19:53:10 <ibiza> Halcyon, thx for the offer, all g though work pays for the gear
19:53:13 <ibiza> DogWomble, good point
19:53:19 <Halcyon> No worries :)
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19:53:24 <DogWomble> yeah, well it's not an issue for me - the only number i've ever given out over the past 20 odd years is my mobile number
19:53:37 <DogWomble> but some people like having a landline :)
19:53:42 <Halcyon> (old people)
19:55:01 <DogWomble> well in other rnadom good news, the bike repair bill wasn't as high as i was expecting
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19:55:24 <Halcyon> Yo JD
19:55:31 <DogWomble> my bike guy treated it all as a service which it needed anyways, so really the only cost is the replacement helmet
19:55:32 <Halcyon> Kids settled down? :P
19:55:45 <Halcyon> Yeh good to hear Tim
19:55:53 <Halcyon> As you said the other day, could have been a lot worse
19:56:17 <DogWomble> yeah, i'm extremely lucky to get out of that mostly unhurt
19:56:43 <DogWomble> i just wish our drivers didn't get their licenses from thee back of a corn flakes packet
19:56:44 <Halcyon> Canberra driver's mate, I keep telling you, they are AWFUL
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19:57:36 <DogWomble> yeah, agreed :)
20:02:18 <DogWomble> makes some sort of grumbly old-man comment about people needing to look before they leap
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