Power-line Broadband WorldwideTrials find rocky road in electrified broadband ( old news - 11:07AM Friday Aug 22 2003) tags: alternatives · worldWhile the interference debate over power-line broadband just begins to surface in the States, the same drama has been playing out overseas. -- Trials and commercial PLC operations are moving forward here in the U.S. despite ample proof of interference from radio hobbyists; despite concern from emergency utilities, and despite concerns from the National Telecommunications and Information Administration. While the push to bring a third competitive power to the two horse broadband race is tempting, it's becoming more obvious that it will be quite some time before you'll be downloading Bit Torrent file via your outlets. But as the FCC looks to explore the problems caused by the technology, they simply need to look to their global brethren to see the road ahead is a long one. In Japan, government leaders believe it's too early to allow PLC between 2 MHz and 30 MHz due to hazardous effects on HF users. In Finland, the technology has been shelved temporarily until interference issues can be addressed. In Singapore, several efforts to deploy PLC technology have proven too expensive. It's the same story in a multitude of countries so far. A major trial in Holland failed because of interference concerns and cost. Out of four trials in Austria, three of them failed, and the last one is getting slammed by radio hobbyists for polluting the airwaves. In Europe this week, the technology saw several key advances. Ireland's electricity company, ESB, is moving forward with a $55.76 million project funded in part by the government. In a statement, Dermot Ahern, Minister for Communications, Marine and Natural Resources, noted that "Powerline communications systems have the potential to provide an alternative broadband infrastructure, which can compete with local fixed telephony, cable, and wireless networks." Naturally, the country has its fair share of skeptics as well. Meanwhile, in the UK, Southern Electric has been moving forward with their own trials, and has seen positive response to the technology from users so far. The trial has recently moved into the commercial phase, and the company is slowly trying to gauge interest. In Winchester, the company is offering 1Mbps symmetrical service for £29.99 (around $47) a month. According to a company exec, speaking to the Register, Southern Electric needs around 50 subscribers per substation to make it worth their while financially. Winchester’s first PLC (BPL) customer, Sue Phillips, said: " We’re really excited about being the first people in the country to use this new system. Both my husband and I are heavy users of the internet, at work and at home. The increased portability and speed of this broadband system are big benefits for us. The children love using the computer for games and it’s brilliant that they have the opportunity of really fast internet access." One wonders if the optimism will soon be shared by any amateur radio hobbyists or emergency crews wandering Sue's neighborhood.
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- Net Neutrality: An American Problem
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ronpin
Imagine Reality
join:2002-12-06
Nirvana | Superconducting Wire for BPL? After the New York power outage there is more talk about implementing superconducting wire to lessen the load on power grids. Anyone care to speculate how that might affect BPL? | |
| | | 
Microhard
join:2001-08-03
Huntington Beach, CA | Re: Superconducting Wire for BPL? Or better yet how much will this cost? | |
| | | | David95037
join:2003-04-16
Morgan Hill, CA
 ·Be There
edited
| Re: Superconducting Wire for BPL? said by Microhard  :
Or better yet how much will this cost?
Easy answer, the consumer gets to pay!!!
[text was edited by author 2003-08-22 12:44:16] | |
| | | David95037
join:2003-04-16
Morgan Hill, CA
·Be There
| Well if you are going to replace wires, run fiber at the same time. More bandwidth than you can imagine, and no pollution.
Not sure how you would string a superconducting cable on power poles. Guess the idea came out of the BPL group (about the same amount of sense). | |
| | | | | | 
rf_engineer
join:2003-08-04
USA
| said by ronpin :
After the New York power outage there is more talk about implementing superconducting wire to lessen the load on power grids. Anyone care to speculate how that might affect BPL?
Conductivity of the wires isn't a factor in the problems with BPL. It's an issue of shielding and the inherent nature of power lines to radiate high frequencies, which BPL uses.
Replacing the power lines with coaxial cable or as others have mentioned running fiber with the power lines are solutions. | |
| | | 
N8SA
| No worries about the Superconductor. The power company I work for has been doing an EPRI study on Superconductor for power lines. After 5 years and millioms it was recently shelved. We could not make it work----and because of the piping needed it would be a sealed system---basically as a standard cable system....which I as a ham would like to see them on a shielded system.
BPL comes down to this. You add a broadband RF signal to the largest antenna grid in the world and they say it won't cause interference? GET REAL! | |
| | 
Transmaster
Onward Through The Fog
join:2001-06-20
Cheyenne, WY | This is the future This is the future. there is no way BPL will be able to compete with this.
»www.alluretech.net/wireless.htm
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low Brass Rules!Irish Terriers do to!!! | |
| | Nighttime
join:2001-11-30
edited
| Dead horse or DOA Simply wad BPl up and toss it in the bin of bad ideas!
Getting to the point what part of this dead horse dont they get? No matter how you kick, prod, shove, bulldoze around, drage etc. Its a dead horse that wont get up even with a ton of TNT under it! "Its dead Jim!" Fork time!
Bet that speed will drop as soon as they try to cut speed to cut down noize.
From the 50 user per section that already makes a falsehood about helping the rual market.
[text was edited by author 2003-08-23 20:56:47] | |
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Eat Me
join:2002-09-25
Sussex, NJ
clubs:
 ·ProLog
| Re: Good luck rural hopefuls You mean these economics:
quote:
According to a company exec, speaking to the Register, Southern Electric needs around 50 subscribers per substation to make it worth their while financially.
Absolutely. Most rural users will be stuck with satellite or wi-fi for some time to come, until FTTH hits the scene. And even then, I don't see telco's running fiber to serve five customers out in the boonies. | |
| | | 
oliphant5
Got Identity?
Premium
join:2003-05-24
Corona, CA
edited
| Re: Good luck rural hopefuls Before Comcast, I had 2 Wi-Fi providers (I still have 1) and they provide great service at comparable prices to Comcast. I think Wi-Fi is still a real solution to rural BB. It's cheap to deploy and very reliable (at least it was for me).
--
Powered by Barry McKockenner Racing in association with Jack McKokkov Motorsports
[text was edited by author 2003-08-22 15:18:49] | |
| | | | Estragon
join:2003-06-20
Greenville, NH
·MV Communications,..
|  Re: Good luck rural hopefuls
And that person wouldn't have broadband either.
But the observation that BPL won't help the rural users is 100% dead accurate. The distance limitations of BPL just make it too expensive to deploy. | |
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oliphant5
Got Identity?
Premium
join:2003-05-24
Corona, CA
| Re: Good luck rural hopefuls I brought that very point about LOS up in another thread today. »BPL creates more problems than it solves
There are emerging NLOS technologies that have much more promise to solve this last mile problem than BPL does.
--
Powered by Barry McKockenner Racing in association with Jack McKokkov Motorsports | |
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dvd536
as Mr. Pink as they come
Premium
join:2001-04-27
Phoenix, AZ
| said by oliphant5 :
Before Comcast, I had 2 Wi-Fi providers (I still have 1) and they provide great service at comparable prices to Comcast. I think Wi-Fi is still a real solution to rural BB. It's cheap to deploy and very reliable (at least it was for me).
Show me at least one wifi provider that has a AUP/TOS that is even remotely fair to the customer. 1gb/mo is not really an option as its too restrictive.
--
You can never be too rich, too thin or have too much Bandwidth | |
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oliphant5
Got Identity?
Premium
join:2003-05-24
Corona, CA
edited
| Re: Good luck rural hopefuls My provider has a program where they use network priority to set tiers. You get priority depending on your plan and if you go over the given cap you start losing priority or you can pay a few pennies per MB and keep it. I haven't had the need to pay extra. Even during peak times the WISP is still pretty fast, especially on uploads. The thing about the plan though is that priority is only an issue when the service reaches capacity. Then those paying more are paying to keep their speeds. Everyone regardless of plan gets either 1500/1500 or 3000/3000. I have a 1500/1500 plan for $25/mo. For that $25 I get my priority for the first few GB then I'm up for throttling during peak times. However, I have NEVER seen less than 900/500 from my service and typically I get 1800/1100 or so from it. If it's in the middle of the day or night, even the $10/mo people will see full T-1 speeds up and down from the service. And at $25 a month it serves perfectly as a backup for my CC Pro service so even if my cable goes out, network and VoIP service run normally.
They permit serving (show me a mainstream ISP that permits that), will do static or dynamic IP and are cool about P2P. Pretty much anything that doesn't get them arrested. It's just a couple of guys from my 'hood who got sick of waiting for what was then ATTBi to get off their assess.
They don't have many customers but here are some speed test results. There is one low one but I've never been that low. Mine are more like the middle one.
»/archive/unplu···ernet.co
Here's where they rank with competing providers around here.
»/archive?zip=9···t=Search
Note my speed tests...completely screwy. They're even worse testing the other provider. I think it has to do with my load balancing. For me, uploads and downloads can happen with different providers and something gets cached and throws off my tests so I don't really bother checking here any more unless I suspect a problem. But you can see from other posters that speeds for the very affordable WISP are REALLY good, especially for those on the $55 3000/3000 plan. Note that none of the new plans are up on their website yet.
I agree, most WISPs are very restrictive but that's by their choice.
--
Powered by Barry McKockenner Racing in association with Jack McKokkov Motorsports
[text was edited by author 2003-08-22 22:39:43] | |
| | | David95037
join:2003-04-16
Morgan Hill, CA
·Be There
| said by Eat Me :
You mean these economics:
quote:
According to a company exec, speaking to the Register, Southern Electric needs around 50 subscribers per substation to make it worth their while financially.
In the U.K. there are typically 200 homes to a substation, any area that has that kind of demand (25%) is likely to have been (or soon will be) covered by DSL.
The two initial deployments by SSE were paid for the by the Government. | |
| | | | w2co
join:2003-07-16
Longmont, CO
| Re: Good luck rural hopefuls Yes and in the UK they even commented:
"The children love using the computer for games and it’s brilliant that they have the opportunity of really fast internet access."
Why should the HF bands be wasted like this?
This is the stupidest idea I've ever heard of.
And our government is learning from this example???
Watch out for my 2KW signal injected onto the lines. | |
| 
DaMaGeINC
The Lan Man
Premium
join:2002-06-08
Greenville, SC
clubs: | I dont know much. But, doesent PLC seem like their would be alot of interfearence on the line, and would make data have alot of errors. I dont see this as being a smart soultion for people that need dedicated "clean" lines. | |
| | | | | Nighttime
join:2001-11-30 | Re: I dont know much. Oh my stars! Frogot about that tech that works around there! Even with the shielding they do put on it look at the cost to try to add more and that for one of the devices! | |
| 
Thrawn2
Grand Admiral Thrawn
Premium
join:2001-04-09
Davenport, IA
·Qwest.net
| SOUNDS like a deal. Depending on pings which i have no clue what they would look like. I would pay 50 for 1000/1000 hell i was paying 50 for 1100/80
--
Drugs are very very over rated. Finaly got the money  . And i would like to thank beer for always being there for me. | |
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dvd536
as Mr. Pink as they come
Premium
join:2001-04-27
Phoenix, AZ
| Re: SOUNDS like a deal. said by Eat Me :
said by Thrawn2 :
Depending on pings which i have no clue what they would look like. I would pay 50 for 1000/1000 hell i was paying 50 for 1100/80
But bet your bottom dollar that the reason you're getting so little speed is because of political reasons, and not technological reasons.
Present technologies (DSL, DOCSIS, WISP, FTTH) are capable of much more than the ISP's are willing to sell you. BPL is never going to solve that problem.
Actually the reason speeds are so slow is because of GREED and the need to protect lucrative t1 business.
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You can never be too rich, too thin or have too much Bandwidth | |
| | | | David95037
join:2003-04-16
Morgan Hill, CA
·Be There
| 1Mbit BPL claim is pure fantasy The 1Mbit claim is pure fantasy, for the reality, check the Southeast Missourian report on the Cape Girardeau BPL trial.
"It's working out to be about five to 10 times faster than what people are getting with dial-up."
5 to 10 times dial-up is 250K to 500K assuming 50K dial up speed.
Does 250K really qualify as broadband?
In the European trials, speeds of 360K have been reported.
If the carefully crafted demonstrations of BPL are so slow, what hope for a mass rollout? | |
| |
Transmaster
Onward Through The Fog
join:2001-06-20
Cheyenne, WY
| Re: 1Mbit BPL claim is pure fantasy I really think the blackout of 2003 has gone along way to killing BPL. If, as the pundits say, we have a 3rd world
power distribution system I really don't see how these same utilities will be able to justify the high cost of BPL.
it will be even harder to dismiss interference to Amateur radio after their performance during the emergency..
"It seems that the amateurs were better prepared than the government sector," he said. "Amateurs in this area were up and on the air before there was any response from local government." Davis said Rensselaer County EC and Chief RACES Officer Jim Noble, K2ZP, activated ARES and mustered a net on the Troy Radio Club RACES repeater, requesting stations to standby and monitor the frequency for updates."
»www.arrl.org/news/stories/2003/0···03/?nc=1
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low Brass Rules!Irish Terriers do to!!! | |
| | | David95037
join:2003-04-16
Morgan Hill, CA
·Be There
| Re: Not just hams A few minutes with Google shows all of the problems Europe had with this broken technology. Well documented by German hams in particular.
When the FCC is managed by lawyers and not engineers stupid ideas like BPL get seen as great ideas. There are many other FCC mistakes such as the 800MHz Nextel / public safely issues that have created many communication problems for our Fire and Police Officers. | |
| | keyboard5684
join:2001-08-01
Youngsville, PA | Cable modems. Cable modems use 5- 42 mhz. | |
| | |
rf_engineer
join:2003-08-04
USA
edited
| Re: Not just hams said by keyboard5684 :
Cable modems. Cable modems use 5- 42 mhz.
Yes, on a network that uses a shielded medium, coaxial cable. It's ironic that cable uses similar frequencies as BPL (and more), and that if they were to leak out, they would reek havoc, especially in VHF aircraft and public safety bands. Cable companies are subject to stringent emissions regulations and have to design and maintain their systems so they don't emit radio signals and interfere with services.
The BPL situation is the exact opposite from that of cable. They're using an unshielded medium that will inherently radiate and interfere. Ideally, they'd like immunity from licensed services and not be subject to the provisions of Part 15 to not cause any interference.
Taking this further, should BPL be allowed to be deployed and if Part 15 is altered to provide BPL protection, cable companies would have a valid argument that they should not be subject to emissions regulations.
[text was edited by author 2003-08-22 15:03:20] | |
| | | | Nighttime
join:2001-11-30
| Re: Not just hams I agree on the 15 part.
If they rip part 15 to get this to even fly I guess I can dust off some designs for spark gap transmitters since the items restricting them will be lifted and can use those instead of my old Atlas transcever. Not to jam but would be legal since its a broadband transmitter also. | |
| David95037
join:2003-04-16
Morgan Hill, CA
·Be There
| BPL - creates problems for airline security H.F. frequencies are used for many diverse applications, one of which is the detection of explosives in airline baggage.
QM, a division of Invision Technology who manufactures the explosive detector equipment for the screening of baggage at EVERY US airport comments;
“Elevated HF RF noise of more than 10dB above noise at some specific frequencies (which cannot be changed as they are determined by the physical nature of the explosive materials being scanned for) would render the equipment useless.”
They also make land mine detectors, which would also be similarly affected by an increased HF noise floor. Land mine detector training by Army and Marine Corps personnel could be at issue.
Details are here
»gullfoss2.fcc.gov/prod/ecfs/retr···14683640 | |
| | |
oliphant5
Got Identity?
Premium
join:2003-05-24
Corona, CA
| BPL creates more problems than it solves There are still no standards and huge technological hurtles to overcome. And after years of development what would we end up with...something that is no better than today's DSL or cable offerings. And of course 5 years from now, cable and DSL will just be that much better.
The key is deployment of CURRENT proven technologies like xDSL, cable and WISP. For most rural communities WISP offers a real broadband (low latency high through-put) alternative. It's very cheap to deploy and very reliable (as least the 2 that I've used are). For those where WISP isn't realistic in it's current form (mountains, forest areas) NLOS is a viable emerging technology that frankly I would like to see more articles on.
BPL just creates more trouble than it's worth.
--
Powered by Barry McKockenner Racing in association with Jack McKokkov Motorsports | |
| |
Transmaster
Onward Through The Fog
join:2001-06-20
Cheyenne, WY
|  Re: BPL creates more problems than it solves
It can barely do what it does now. The energy CEO's need to pay attention to their core job and stay out of the Digital domain. It reminds me of people with 20,000 dollar
sound systems in their automobiles, fantastic sound but the car doesn't run, and it has bald tires all around. The power companies need to fix their engines and replace their Tires.
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low Brass Rules!Irish Terriers do to!!! | |
| | Nighttime
join:2001-11-30
| As one of my eng prof said. "The only thing to do with a dead horse {like the proposed BPL} is to either build a status of a horse on top of it or bury it before it start to decompose. Kicking it is a useless waist of effort best spent on more usefull actions."
Its been a solution in search of a problem. They need to almost kill off part 15 to even allow it due to its JAMMING nature. It not friendly and cant move. it not like two devices you move or adjust. IE its a jammer. Plan and simple. | |
| 
akristov
join:2001-01-31
Tampa, FL
clubs:
| BPL... This service will never surpass current technologies like DSL and Cable broadband. If power companies want to roll out broadband, make them invest in their infrastructure and roll out fiber. They already bundle fiber inside electric lines, it doesn't seem like a far cry for them to extend this technology to our door steps. It is very short sighted to start pushing this technology and have to shelve HAM radios. In the end this is only a stop gap until fiber is rolled out anyways. | |
| chrisA215
join:2003-08-22
Feasterville Trevose, PA
| Don't Hold Your Breath!!
and after the "BlackOut of 2003" and almost the entire East coast being in the Dark for over a 24hr period or more, Lets not get ahead of ourselves...
Lets work on a 21st century power delivery system first... | |
| | | | |
rf_engineer
join:2003-08-04
USA
| Re: Don't Hold Your Breath!! said by dslwanter :
I agree with you, however I think when they come out with this new power grid, it will probably include Power Line Broadband, at least that would be smart of them.
============================================================
"It's time for a nationwide Cable or DSL Broadband Service, sure the price may come down, but more importantly, EVERYONE could get it!"
============================================================
By the time "this new power grid" is designed, funded and installed ( if such a thing really exists ) fiber could be deployed everywhere and we'd all have more bandwidth than God. An overhaul of the power grid would take years and years, perhaps 15 or 20 ? BPL is not a high tech solution of the future. It's shoehorning radio energy onto a wire network intended on carrying 60 Hz power and is totally unsuited for what they're trying to do.
Any redesign of the grid should have fiber as the foundation of any data communications. Of course, the primary consideration should be delivering power | |
| | | | | |
akristov
join:2001-01-31
Tampa, FL
clubs:
| Why does everyone think the world revolves around them. The entire East cost is not NY, NJ, PA, and CT. States south of NJ were not effected or sporadically effected and I spoke with people in CT and MA who might have had power at work, but not at home or vice versa. And cities like Washington, Baltimore, Atlanta, Jacksonville, Miami, Orlando, etc, etc, were humming along fine. | |
| C4Xplosive
join:2002-02-21
Vancouver, WA | wont be a success Powerline broadband wont ever be successful unless they have 2Mb up to 10Mb flavors for future expansion. 1Mb, even though reaching most households, is still slow and NOT future proof for just a chunk out of my wallet each month ($50). | |
| David95037
join:2003-04-16
Morgan Hill, CA
·Be There
| Pro-BPL comments lack technical substance, - ARRL Pro-BPL comments lack technical substance, ARRL says
The ARRL said Broadband over Power Line (BPL) proponents have failed to substantiate their claims that the technology will not cause widespread interference. In reply comments filed August 20, the League said that if the FCC is going to rely on industry statements in making decisions on BPL deployment, the industry should back up its assertions with technical studies and hard data and make these public.
While BPL advocates claim no interference, ARRL said its own field tests lead inescapably to the conclusion that BPL will, if deployed, create widespread harmful interference. "The interference was manifest and widespread and would be so even to an untrained observer," ARRL said.
The ARRL supplemented its text comments with technical exhibits that document the results of testing at several BPL field trial sites.
The League also noted that comments in the proceeding so far have been silent on the interference susceptibility of BPL to ham radio signal ingress.
"It is past time that the Commission acted in its proper role as a steward of the radio spectrum and recognized the interference potential of BPL to the sensitive incumbent licensed services in these bands," the League concluded. | |
| David95037
join:2003-04-16
Morgan Hill, CA
·Be There
| BPL interference investigation report Report by Joel Gilly on BPL trial interference investigation
Joel’s report is very detailed I have sniped to save bandwidth, for the full version please visit;
»svartifoss2.fcc.gov/prod/ecfs/re···14683675
----- Original Message -----
From: joel gilly
Sent: Thursday, July 31, 2003 11:41 AM
Subject: BPL in Emmaus, PA and My Meeting with Ed Hare.
Gentlemen,
As I had mentioned previously, Ed Hare W1RFI and ARRL Lab Manager, was stopping over in the Lehigh Valley, PA on Wednesday as part of a three state sweep to monitor and collect data about BPL. I had the pleasure of meeting and spending time with Mr. Hare on Wednesday morning and had the opportunity to witness the effects BPL has on the Amateur HF bands.
#snip#
The area in Emmaus that is being used by PPL for the BPL test is in the area of Pine St. just behind Emmaus High School and the East Penn School District Administrative building. We drove around to find a spot were we could setup to do some measurements. Mr. Hare had selected a spot the previous evening that he thought might be a good area to listen to and measure BPL's radio signature. We parked outside a residence and he began setting up his equipment.
Mr. Hare is using a very simple set-up in order to make an estimate of the field strength of signals that he is interested in. Strapped to the back seat of the Subaru was a wooden palette that contained a deep cycle battery, an inverter, a step RF attenuator, an ICOM PCR-1000 receiver, and his laptop computer running custom data acquisition and processing software that Mr. Hare authored. As mentioned before, he used a Buddi-Pole compact loaded dipole mounted in a tripod strapped to the roof rack as the antenna. The measurement process involves using the sound card in the laptop PC as an audio voltmeter.
#snip#
The real eye-opening part of the day was to listen to BPL in action on the HF bands. Mr. Hare disconnected the PCR-1000 and replaced it with a Kenwood TS-440 and we listened to several amateur bands. The type of BPL used in the Emmaus area (there are several "flavors" which Mr. Hare showed later) creates an impulse type noise on the bands. It sounds very much like a Geiger counter. The noise generated is very broad banded and can be heard continuously up-and-down the bands. It seemed to be strongest on 21 MHz and faded below 5 MHz and a little above 24 MHz, but this may have been due to our receive antenna not being optimized for those frequencies. BPL created a consistent S5 to S7 noise level on the bands. We listened for a while to 14.060 Mhz to hear what it would sound like on a popular frequency. Some faint CW stations in the background could be heard, but the opinion was that they would be "un-copyable" under the circumstances.
#snip#
Later, we drove around again to attempt to find a "hot spot". In the areas that had BPL, it was interesting to note the changing profile of the noise as we roved around the area. Every time we passed a utility pole, the noise level peaked dramatically. We arrived at one area that exhibited a significant increase over neighboring areas. This area happened to be a pole that contained a BPL injection point. The noise present at this location was unprecedented. On the Kenwood, I noted a consistent S9 to S9+10 noise level. I tuned up to around 14.200 and found a 5 call area station in QSO with CY9A. The five was copyable, but CY9A was much weaker, and the noise would have rendered a QSO with the station unmanageable. Mr. Hare then disconnected the TS-440 and made some field strength measurements. His measurements revealed field strengths well in excess of FCC limits.
#snip#
Thank you for your time.
Regards,
Joel M. Gilly | |
| David95037
join:2003-04-16
Morgan Hill, CA
·Be There
| WiFi provides Broadband in Rural Ireland Good example of how we can provide Broadband today to our rural communities without the massive pollution of BPL.
INTERNET BY SATELLITE & WIFI IN RURAL ZONES OF IRELAND
»www.opm-consulting.com/navigatio···hes=1278
The South West Regional Authority's (SWRA) broadband initiative, co-funded by the European Space Agency, has started to provide always-on connectivity to over 2,000 people in rural Ireland after Ildana and 3Com established connectivity between satellite and wireless communications infrastructures.
3Com is responsible for deploying the "last green mile" giving domestic users wireless access while Ildana is providing the satellite package from the ground up. The Irish towns involved in the initial project are Cahirciveen, Bantry and Dingle. However, there are plans to link to all towns in the south-west region and beyond.
John Murphy, Ildana managing director explained : "The plan is to implement roaming across various hotspots so that a user travelling in Bantry in Ireland or Venice in Italy will be able to access to the Internet via his/her Cahirciveen account. These regions have largely been ignored by terrestrial means of connectivity and the most obvious and cost-effective means of implementing this would appear to be wireless and more specifically 802.11b/g". Broadband is still little developed in Ireland, being launched Fall 2002. According Digit, the quarterly barometer of CMA Consulting, the number of ADSL subscribers in Ireland at the end of March 2003 didn't reach 5,000. However, Eircom, the Irish incumbent operator, has just announced a 50% decrease of its DSL products. | |
| |
bob2a
@co.uk | Re: WiFi provides Broadband in Rural Ireland Its a flawed technology PLC is the way forward. | |
| | | 
tenbase
join:2000-07-19
Alexandria, VA | Re: WiFi provides Broadband in Rural Ireland Evidence? None. | |
| | |
rf_engineer
join:2003-08-04
USA
| said by bob2a:
Its a flawed technology PLC is the way forward.
You're a bit late in the discussion
We've shown that the basic foundation of PLC/BPL is severely flawed and threatens to disrupt numerous services in valuable spectrum. Wireless (ISM/UNII) is proven and most of the time peacefully coexists in the radio spectrum. BPL interferes with licensed services even when Part 15 emission compliant.
Wireless, while it will never surpass DSL or cable, has many, many more customers than BPL does.
The American Radio Relay league has filed a significant amount of information in models, calculations and real life measurements with the FCC. Their filings are here: »www.arrl.org/announce/regulatory···dex.html . Other parties have filed comments in opposition to BPL as well. BPL vendors and proponents have not filed any measurements or studies to support their claims of no interference.
So where's your proof that wireless is flawed and BPL is the way of the future ? | |
|
rf_engineer
join:2003-08-04
USA
| List of Significant NOI Comment and Reply Filings Here's a list of significant FCC Notice of Inquiry (NOI) filings. These are filings from organizations and individuals with three pages or more of content, both for and against BPL.
»www.arrl.org/~ehare/bpl/hyperlinks.html
Enjoy. | |
|
Oli87
| I will get it I live in Winchester,Uk and am trying my best to get it - but to no avail!!!! | |
| |
Basingstoke UK
@ssmb.com | Re: I will get it I've been looking for posts from folk who are actively engaged in the UK trials (especially Winchester users)conducted by Southern Electric and can't find any!
Is this significant?
Regards
Potential Subscriber | |
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Wolverine2
It Wasn't Me
Premium
join:2001-01-30
Wilton, CA
clubs:
| Concerned Radio Hobbyists? Lets spell it out HAM radio operators are upset because this technology can cause interference with thier setups. Anybody else find this ironic? They have been polluting our airwaves for years (Not to mention are skyline  ). Please dont give me that "Ham Radio operators are regulated" crap either. I live in a semi-rural community and when a HAM radio operator keys his mic believe me hes polluting the airwaves. If you have an antenna on your TV instead of cable you know exactly what I mean.
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'Do Not Go Gentle' into that 'Good Night'. Rage, Rage against The Dying of the Light... "Dylan Thomas" | |
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Good luck rural hopefuls
