Welcome!

Welcome to the home page of Charles N Wyble. Charles is a 24 year old systems guy, hacker and entrepreneur currently living in El Monte CA, with his wife of 3 years.

He is currently employed as a system engineer for Ripple TV with responsibility for a nation wide advertising network.

In his spare time he serves as Chief Technology Officer for the SoCalWiFI.net project, runs a hacker space in the San Gabriel Valley and tries to save the local economy.


Sunday, August 16, 2009

[Fwd: RF performance of a AR2317 based SoC device - was: Re: Questions about the Mesh Potato]

Interesting bit of info...

-------- Original Message --------
Subject: RF performance of a AR2317 based SoC device - was: Re:
Questions about the Mesh Potato
Date: Sun, 16 Aug 2009 11:56:38 +0200
From: elektra <onelektra@gmx.net>
Reply-To: village-telco-dev@googlegroups.com
To: village-telco-dev@googlegroups.com
References:
<6b08b4a5-6847-4784-9828-bb9603d5bb94@w6g2000yqw.googlegroups.com>
<1250382825.31167.14.camel@localhost>


Hello Lew!

As the Mesh-Potato hasn't reached the state of its first mass production
design we don't have exact figures of transmitter and receiver performance
yet.

But let me show you some example calculations based on the D-Link DIR-300.

The Mesh-Potato is based on the Atheros AR2317 Wireless SoC (SoC =
System on
Chip) integrated circuit. The D-Link DIR-300 is a commodity product for
SOHO
(Small Office / Home Office) applications, which is using the same chip.
The
D-Link DIR-300 manual contains these specs regarding transmit (TX) and
receive (RX) performance:

TX power: 15 dBm +/- 2 dBm

RX sensitivity:
• 54 Mbit/s OFDM, 10 % PER, -68 dBm)
• 48 Mbit/s OFDM, 10 % PER, -68 dBm)
• 36 Mbit/s OFDM, 10 % PER, -75 dBm)
• 24 Mbit/s OFDM, 10 % PER, -79 dBm)
• 18 Mbit/s OFDM, 10 % PER, -82 dBm)
• 12 Mbit/s OFDM, 10 % PER, -84 dBm)
• 11 Mbit/s CCK, 8% PER, -82 dBm)
• 9 Mbit/s OFDM, 10 % PER, -87 dBm)
• 6 Mbit/s OFDM, 10 % PER, -88 dBm)
• 5,5 Mbit/s CCK, 8% PER, -85 dBm)
• 2 Mbit/s QPSK, 8% PER, -86 dBm)
• 1 Mbit/s BPSK, 8% PER, -89 dBm)

PER = Packet Error Rate

Let's do some simple and optimistic radio performance calculations based on
these figures.

The DIR-300 is shipped with a sleeve dipole antenna, which - if implemented
well - should have a gain of 2.15 dBi. It would be nitpicking to
mention the
0.2dB loss of the R-SMA antenna plug ;-) So we can just assume a antenna
gain
of 2dBi.

I guess the values given by D-Link refer to the performance measured at the
antenna socket, but I could be wrong.

Based on these figures one can make a quick range / data rate estimation
between two DIR-300 under ideal conditions (free fresnel zone, considering
attenuation caused by free space loss only, no interference on the radio
channel). If you want to make calculations with obstructions in the
propagation path I'd strongly recommend playing with the free "radio
mobile"
software, if you don't know that software already. It is a truly amazing
software.

A 1 km radio link under ideal conditions (clear fresnel zone) has a free
space
attenuation of ~100 dB @ 2.45 GHz, 2km attenuation is ~106 dB, 4 km
attenuation is ~112 dB, 8 km is ~118 dB and so on.

With 15 dBm effective radiated transmit power the signal after 1 km is down
at -85 dBm (subtracting 100 dB free space loss). Taking the gain of the
antennas into account (+2 dB when we transmit on one side, + 2 dB when we
receive on the other side) we should have a signal level at the antenna
port
of the RX side of -81 dBm, which should be good enough to decode 18
Mbit. If
we double the distance to 2km we can still operate at 6 or 9 Mbit (-87
dBm).
Increasing the distance by 50 % more would add 3 dB more free space
loss, so
we end up at -90 dBm signal level after 3km. This is now lower than the -89
dBm for the lowest bitrate of 1 Mbit. However at 1 Mbit the TX power is
slightly higher, so with a bit of luck the connectivity will be at its
absolute edge after 3 km, but still there.

Keep in mind these estimations are based under the assumption of ideal
conditions: No rain or hail storm. No interference from other radios. Low
noise floor. Absolutely no obstructions or reflections in the fresnel zone.
No birds sitting on the antennas. The specs provided are assumed to be
correct. The timing of the MAC layer must be adjusted with the athctrl
utility for distances greater than 1 km.

However the DIR-300 is just a commodity product intended to be used indoors
and not a reference design intended to show off with brilliant radio
performance. Its design goal is least cost with moderate radio
performance. I
can buy those devices for ~27 € per unit retail in Germany via mail-order
plus shipping, which is really cheap. Actually the AR2317 chipset can
perform
better than the specs of the DIR-300, but it is good enough for the market
and the application, given the price.

The MP is not a SOHO product. It will be primarily used outdoors in densely
and sparsely populated areas (and anything in between, of course). The
great
many will be used in densely populated areas, but it should be also capable
to make a difference in rural areas. For both applications good receiver
performance is critical. In densely populated areas the network should
operate at the highest possible bitrate - simply to keep the amount of
airtime consumed by each transmission low and the channel capacity high.
Good receiver performance helps to keep the data rate fast and allows to
keep
the TX power levels low. The radios need to detect and coordinate
channel use
to avoid collisions on the radio channels as well. Low receiver performance
will have a negative effect on channel capacity and increase the noise
floor.

The TX power of the MP can be adjusted to 8 different levels:

0 dBm (1 mW)
5 dBm (3 mW)
7 dBm (5 mW)
9 dBm (7 mW)
11 dBm (12 mW)
13 dBm (19 mW)
15 dBm (31 mW)
17 dBm (50 mW)

In densely populated areas where people live door by door a few mW TX power
can be enough.

In sparsely populated areas good RX performance helps to achieve good
range,
as we have seen before. Interference from other wireless networks is not so
critical, so if we put the devices high enough we can often work with
good RF
conditions. A internal antenna with a slight gain of 3 dBi would be
compliant
with the regulatory limit of 20 dBm effective radiated power present in
many
countries.

Cheers,
Elektra

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Thursday, August 06, 2009

First socalwifi.net production deployment

On June 16th, 2009 socalwifi.net received a request for service. We were asked to provide WiFI for the Tafesilafa'i 2009 Pacific Islanders festival, located on the front lawn of the Long Beach Aquarium.

On July 28th, 2009 socalwifi.net deployed the gear and provided wifi coverage for the duration of the festival.

In the time between request for service, and deployment of the gear we performed several tasks.

More details later.

Monday, July 27, 2009

Moving to the cloud

Recently I have been thinking about moving 100% to the cloud.

I have the best DSL connection one can purchase from AT&T (business class 6mbps down/768k up), a very nice server hosting virtual machines (8 gigs ram, 4 core CPU).

How am I currently taking advantage of that?

I have a few sets of virtual machines:

1) A Ubuntu virtual machine that hosts things like trac and orangehrm and serves as a file server.

2) 4 Ubuntu virtual machines (dev,dev integration,qa, production) for freeswitch development. One of my VOIP engineers is developing on that set.

3) A Centos VM hosting openvz instances for freeswitch development. Another one of my VOIP engineers uses those.

4) 3 Ubuntu virtual machines (dev integration,qa, production) for socalwifi front end development. I have my primary software engineer using those.

So now I want to move my daily tasks into a virtual machine that I can access from any device. I have plenty of resources available via that server and want to take advantage of them as much as possible.

I like my MacBook pro, but it doesn't have the computing power to handle running Netbeans/Eclipse/gis tools/vista vm/ubuntu vm at the same time. I plan to move my dev/gis/linux stuff into the VM as I can give it the necessary resources to run everything comfortably. I'm looking into using NX for the access methodology.

I also plan to spin up a Vista VM and RDP to it.

Then I can be completely device independent. I hope to be able to use my ipod touch a lot more, as it has an RDP and VNC client. Need to see if I can find an NX client for it.

Wednesday, July 22, 2009

[Fwd: [Fwd: Achieved 10Gbit/s bidirectional routing]]

Cisco..... be afraid. Be very afraid.

Vyata... send the sharks!

-------- Original Message --------
Subject: [Fwd: Achieved 10Gbit/s bidirectional routing]
Date: Wed, 22 Jul 2009 12:25:36 +0200
From: Jesper Dangaard Brouer <jdb@comx.dk>
Reply-To: jdb@comx.dk
Organization: ComX Networks A/S
To: Bifrost <bifrost@slu.se>


Realized that my mail to the bifrost list got blocked... here is a
forward of my mail...

See also
http://lkml.org/lkml/2009/7/15/234

http://lkml.org/lkml/2009/7/16/108


--
Med venlig hilsen / Best regards
Jesper Brouer
ComX Networks A/S
Linux Network developer
Cand. Scient Datalog / MSc.
Author of http://adsl-optimizer.dk
LinkedIn: http://www.linkedin.com/in/brouer

[Fwd: [WISPA] Does wireless have a chance or future?]

Folks might dig this...


http://www.cable360.net/ct/news/thewire/ABI-20-Million-Wireless-TVs-To-Ship-in-2011_36713.html

http://www.cable360.net/ct/news/thewire/Frost-and-Sullivan-Fiber-is-the-Future_36722.html

http://www.cedmagazine.com/News-Research-worldwide-broadband-households-2013-072109.aspx

http://www.cedmagazine.com/News-Netgear-help-Internet-subscribers-measure-use-072109.aspx

(from the WISPA list)

[Fwd: Re: [WISPA] FW: Introducing Bullet M: 100+Mbps Real TCP/IP Throughput]

UBNT.... there is something called capital financing. You should totally
look into it.

With the demand for your products, credit should be a cinch.

-------- Original Message --------
Subject: Re: [WISPA] FW: Introducing Bullet M: 100+Mbps Real TCP/IP
Throughput
Date: Wed, 22 Jul 2009 10:24:16 -0400
From: Robert West <robert.west@just-micro.com>
Reply-To: WISPA General List <wireless@wispa.org>
To: 'WISPA General List' <wireless@wispa.org>
References:
<!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAAKOYKZpUWpEOMStm8neZo/MKAAAAQAAAANJpGtTpFGkWNqyeDacUc1QEAAAAA@midcoast.com>
<4A66BD9B.4050408@NorthTech.US> <8731430859182187877@unknownmsgid>
<f0efcfa10907220644l847d0d7j42b3e430ca02d405@mail.gmail.com>

Actually, I am forced to at times due to lack of availability. As I said in
an earlier post, in my opinion, Ubiquiti makes very good and reliable
equipment. Given a choice I would pick the NS2 and 5's for all CPEs, XR
cards for the Mikrotik and the bullets for quick, down and dirty installs on
the fly. However.......... I have found myself waiting 6 months or more
for things and it seems that the availability varies between vendors. For
instance, I have been on backorder for some 2.4ghz Ubiquiti Airview2s since
March with one vendor we use yet it's now available at many other vendors
with just a click. We also have a load of Ubiquiti cards and boards back
ordered with yet another vendor since February. That order I have since
given up on and replaced with product from Mikrotik (including radio cards)
and I have slowly ordered the same products that are on backorder with one
vendor from other vendors. And this is not always new products. (How many
posts have we seen from people begging for NS2s?) Now I know one is saying,
"Why use so many vendors?" but the reason is because we have to in order to
have a decent supply stream. In that respect, I guess it spreads the love
amongst the dealers.

My post, however, was tongue in cheek. Just because I have an issue with
the way a certain company operates doesn't mean I need to pack my bags and
take my business elsewhere. Not at all. Besides, I'm trying to keep our
equipment list simple, consistent and with quality equipment, not a
hodgepodge of whatever I can afford or what is available today. I was just
voicing my frustration, not trashing a company. "Love it or leave it" is no
way to be. There is no place in life where you can agree with everything
100%.

So to sum it up........

Chill.

Bob-
Just Micro Digital Services Inc.


-----Original Message-----
From: wireless-bounces@wispa.org [mailto:wireless-bounces@wispa.org] On
Behalf Of Jayson Baker
Sent: Wednesday, July 22, 2009 9:45 AM
To: WISPA General List
Subject: Re: [WISPA] FW: Introducing Bullet M: 100+Mbps Real TCP/IP
Throughput

If you don't like their marketing and distribution methods, you could always
buy someone elses equipment.
It's a known fact Ubiquiti announces new equipment long before they start
manufacturing it.

On Wed, Jul 22, 2009 at 7:30 AM, Robert West
<robert.west@just-micro.com>wrote:

> Is this the same reason they only make electricity available in Iraq for 2
> hours a day?
>
> Also.....
>
> I was thinking, if that sort of marketing makes good sense, I should raise
> my prices 50%, only give wireless access on every other day between the
> hours of 11:00am and 2:00pm and again at 6:45pm and 11:20pm. Porn sites
> will be given access only on a Wednesday and YouTube once a month. With
> this marketing idea, I just can't go wrong! :)
>
> -----Original Message-----
> From: wireless-bounces@wispa.org [mailto:wireless-bounces@wispa.org] On
> Behalf Of Bradley D. Thornton
> Sent: Wednesday, July 22, 2009 3:20 AM
> To: WISPA General List
> Subject: Re: [WISPA] FW: Introducing Bullet M: 100+Mbps Real TCP/IP
> Throughput
>
> That's Datsun.
>
> the 240Z got everyone into a frenzy because, by design of Nissan, they
> made sure that everyone had to get on a waiting list for one. It's been
> a marketing tool ever since for desireable things.
>
>
> Robert West wrote:
> > I was looking at it myself. Everyone is negative stock-wise. At least
> > that's what I see. Just like Ubiquiti to release a product with zero
> stock.
> >
> > Darn good products but I swear, they must have got their marketing ideas
> > from the Nintendo, PlayStation and McRib sandwich. Create a demand by
> > having your products available sporadically.
> >
> >
> >
> >
> >
> > -----Original Message-----
> > From: wireless-bounces@wispa.org [mailto:wireless-bounces@wispa.org] On
> > Behalf Of Cameron Kilton
> > Sent: Tuesday, July 21, 2009 5:34 PM
> > To: wireless@wispa.org
> > Subject: [WISPA] FW: Introducing Bullet M: 100+Mbps Real TCP/IP
> Throughput
> >
> > <http://e2ma.net/oz/2226372211/2026197/10197/spacer.gif>
> > <http://e2ma.net/oz/2226372211/2026197/10197/spacer.gif>
> > If you're having trouble viewing this email, you may see it online
> > <http://e2ma.net/map/view=CampaignPublic/id=10197.2226372211/rid=0bb40cf
> > d2aa52f2df60569807ae43a20> .
> >
> > <http://e2ma.net/map/view=Forward/ID=10197.2226372211/rid=0bb40cfd2aa52f
> > 2df60569807ae43a20/send_to_friend> Forward this message to a friend
> >
> >
> > Anybody heard anything about this yet or where you can get to try?
> >
> >
> >
> > -Cam
> >
> >
> >
> > -----Original Message-----
> > From: Ubiquiti Networks Inc. [mailto:sales@ubnt.com]
> > Sent: Tuesday, July 21, 2009 4:06 PM
> > To: cam@midcoast.com
> > Subject: Introducing Bullet M: 100+Mbps Real TCP/IP Throughput
> >
> >
> >
> >
> >
> > <http://e2ma.net/go/2226372211/2026197/75867791/10197/goto:http:/www.ubn
> > t.com> Ubiquiti Home Page
> >
> > <http://www.ubnt.com/company/newsletter/0109/images/0109_linktop.gif>
> >
> >
> >
> >
> > <http://e2ma.net/go/2226372211/2026197/75867794/10197/goto:http:/www.ubn
> > t.com/company> Company
> >
> >
> > <http://e2ma.net/go/2226372211/2026197/75867796/10197/goto:http:/www.ubn
> > t.com/products> Products
> >
> >
> > <http://e2ma.net/go/2226372211/2026197/75867798/10197/goto:http:/www.ubn
> > t.com/purchase> Purchase
> >
> >
> > <http://e2ma.net/go/2226372211/2026197/75867800/10197/goto:http:/forum.u
> > bnt.com> Forum
> >
> >
> > <http://www.ubnt.com/company/newsletter/0109/images/0109_linkbot.gif>
> >
> >
> >
> >
> > Introducting Bullet M
> > <http://www.ubnt.com/company/newsletter/0113/images/0113_text_title1_bul
> > let.gif>
> >
> > 100+Mbps Real TCP/IP Throughput over multi-km links
> >
> > AirView
> > <http://www.ubnt.com/company/newsletter/0113/images/0113_bm.jpg>
> >
> > Introducing the revolutionary 802.11n based Bullet M. Available in
> > 2.4GHz (Bullet M2 HP) and 5GHz (Bullet M5 HP) versions.
> >
> >
> > <http://e2ma.net/go/2226372211/2026197/75867802/10197/goto:http:/www.ubn
> > t.com/products/bulletm.php> Read More
> > <http://e2ma.net/go/2226372211/2026197/75867804/10197/goto:http:/ubnt.co
> > m/forum/viewtopic.php?p=43290> Discuss
> >
> > HiPower, Long-Range
> > <http://www.ubnt.com/company/newsletter/0113/images/0113_text_title2_hp.
> > gif>
> >
> > XR1 <http://www.ubnt.com/company/newsletter/0113/images/0113_map.jpg>
> >
> > With up to 600mW of power and enhanced receiver design, the Bullet M is
> > ideal for long-distance links.
> >
> >
> > <http://e2ma.net/go/2226372211/2026197/75867806/10197/goto:http:/www.ubn
> > t.com/products/bulletm.php> Read More
> > <http://e2ma.net/go/2226372211/2026197/75867808/10197/goto:http:/www.ubn
> > t.com/forum/> Discuss
> >
> > Zero Variable Deployment
> > <http://www.ubnt.com/company/newsletter/0113/images/0113_text_title3_zer
> > o.gif>
> >
> > XR1 <http://www.ubnt.com/company/newsletter/0113/images/0113_z.jpg>
> >
> > No host boards, no mini-PCI Cards, no cables, no assembly. With the
> > Bullet, operators can just plug and go.
> >
> >
> > <http://e2ma.net/go/2226372211/2026197/75867810/10197/goto:http:/www.ubn
> > t.com/products/bulletm.php> Read More
> > <http://e2ma.net/go/2226372211/2026197/75867812/10197/goto:http:/www.ubn
> > t.com/forum/> Discuss
> >
> > 100Mbps+ Speed with no Special Antenna Required
> > <http://www.ubnt.com/company/newsletter/0113/images/0113_text_title4_tp.
> > gif>
> >
> > SR71-X, 802.11n Xpress Card
> > <http://www.ubnt.com/company/newsletter/0113/images/0113_tp.jpg>
> >
> > The Bullet M series can be paired with any antenna to deliver 100Mbps+
> > of real TCP/IP speed over the air. The first cost-effective outdoor
> > device in the world to do so.
> >
> >
> > <http://e2ma.net/go/2226372211/2026197/75867813/10197/goto:http:/www.ubn
> > t.com/products/bulletm.php> Read More
> > <http://e2ma.net/go/2226372211/2026197/75867814/10197/goto:http:/www.ubn
> > t.com/forum/> Discuss
> >
> > Introducting AirOS V
> > <http://www.ubnt.com/company/newsletter/0113/images/0113_text_title5_air
> > os.gif>
> >
> > SR71-X, 802.11n Xpress Card
> > <http://www.ubnt.com/company/newsletter/0113/images/0113_a5.jpg>
> >
> > Ubiquiti Networks introduces AirOS V, the latest evolution in Ubiquiti's
> > AirOS interface. AirOS V maximizes the wireless performance of Ubiquiti
> > M Series products.
> >
> >
> > <http://e2ma.net/go/2226372211/2026197/75867815/10197/goto:http:/www.ubn
> > t.com/products/bulletm.php> Read More
> > <http://e2ma.net/go/2226372211/2026197/75867816/10197/goto:http:/www.ubn
> > t.com/forum/> Discuss
> >
> >
> > <http://e2ma.net/go/2226372211/2026197/75867817/10197/goto:http:/www.ubn
> > t.com/> Ubiquiti Networks, Inc. 91 E. Tasman Dr., San Jose, CA 95134 -
> > Vol. No.13 - July 20, 2009
> >
> >
> >
> > This email was sent to cam@midcoast.com. To ensure that you continue
> > receiving our emails, please add us to your address book or safe list.
> >
> >
> > <http://e2ma.net/map/view=Manage/signupId=17227/id=10197.2226372211/rid=
> > 0bb40cfd2aa52f2df60569807ae43a20> manage your preferences |
> > <http://e2ma.net/map/view=OptOut/signupId=17227/ID=10197.2226372211/rid=
> > 0bb40cfd2aa52f2df60569807ae43a20> opt out using TrueRemoveR.
> >
> > Got this as a forward?
> > <http://e2ma.net/map/view=Join/signupId=17227/mailingId=2026197/acctId=1
> > 0197> Sign up to receive our future emails.
> >
> >
> >
> >
> >
> >
>
>
----------------------------------------------------------------------------
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> > WISPA Wants You! Join today!
> > http://signup.wispa.org/
> >
>
>
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> >
> > WISPA Wireless List: wireless@wispa.org
> >
> > Subscribe/Unsubscribe:
> > http://lists.wispa.org/mailman/listinfo/wireless
> >
> > Archives: http://lists.wispa.org/pipermail/wireless/
> >
> >
> >
> >
>
>
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> > http://signup.wispa.org/
> >
>
>
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> >
> > WISPA Wireless List: wireless@wispa.org
> >
> > Subscribe/Unsubscribe:
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> >
> > Archives: http://lists.wispa.org/pipermail/wireless/
> >
> >
> >
>
> --
> Bradley D. Thornton
> Manager Network Services
> NorthTech Computer
> TEL: +1.949.544.1931
> http://NorthTech.US
>
>
>
>
>
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>
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Thursday, July 09, 2009

[Fwd: Re: Point to Point Ethernet]

BEST NANOG POST EVER!


> History shows us that Layer 2 winds up being IEEE, and Layer 3 IETF.

mpls

Monday, July 06, 2009

[Fwd: Re: [outages] Verizon Southern California issues?]

FYI

<source redacted>

VERIZON CONFIDENTIAL
FLASH SUMMARY
</N.B.>

=====

VERIZON CONFIDENTIAL
FLASH SUMMARY

FLASH NUMBER <redacted>
RGANIZATION NSMC
SEVERITY LEVEL CATA
CRITERIA HSI - HSI outage impacting 2500 or more customers
IMPACT LOSS OF DATA AND/OR CONNECTIVITY
NETWORK HSI
SUBNETWORK ROUTER
SPECIAL SERVICES
STATE CA
CITY THOUSAND OAKS
COUNTRY USA

OUTAGE START DATE 07-06-2009
OUTAGE START TIME 17:10:00 GMT
OUTAGE END DATE 07-06-2009
OUTAGE END TIME 22:26:00 GMT
DURATION 5:16:00

EQUIPMENT N/A

CAUSE OF OUTAGE FIBER/CABLE OUTAGE - OUTSIDE
CORRECTIVE ACTION Fiber spliced.

TICKET SOURCE WHITEBOARD
TICKET NUMBER 92475
LEC/OCC TICKET
PVC/CKT Affected


WEBSITE oasis.vzbi.com

COMMENTS
07-06-2009 18:34 GMT
Thousand Oaks, CA - HSI - Informational Bridge: (517) 477-3482 pc
865-5190. NSMC reports 3500 HSI customers are down. There is a fiber
cut located 1.3 miles outside of the Camarillo Central Office on
Dawson Drive. Approximately 1000 feet of fiber has been damaged.
There is no estimated time of restoral. Number of Trouble Tickets =
107 -----------
07-06-2009 19:45 GMT
NSMC reports that there are 252 attached tickets. Construction is
currently prepping the fiber with an ETA of new fiber onsite at 1:23
PM PT.
07-06-2009 21:24 GMT
NSMC reports that there are 345 attached tickets. All fiber is onsite
and pulled through duct, splicing commencing in approximately 5
minutes.
07-06-2009 22:49 GMT
NSMC reports construction spliced the fiber. HSI service restored.
406 Attached tickets.
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Friday, July 03, 2009

[Fwd: [Ripple-protocol] [Fwd: [Finanzsystem] hackathon money]]

ec30 keeps getting easier...

-------- Original Message --------
Subject: [Ripple-protocol] [Fwd: [Finanzsystem] hackathon money]
Date: Fri, 03 Jul 2009 00:11:02 +0200
From: Klaus Mueller <m@klml.de>
Reply-To: Ripple concept and protocol development
<ripple-protocol@lists.sourceforge.net>
To: Ripple concept and protocol development
<ripple-protocol@lists.sourceforge.net>

Hi folks,

fyi;)

hackathon money

In 48 hours a group of hackers and creative minds will create free, open
source software that allows anyone to issue and exchange money - Digital
Bearer Certificates that are the basis for free, decentralized currencies
in virtual worlds, social networks and real life.

What can be your contribution? Your skills and talent are valuable! We
need enhusiasts in the fields of coding, security, administration,
identity design, web design, blogging, video editing, photography, writing
...

hackathon money_ is a wonderful opportunity to get together with great
minds, have fun, do what you love and create something meaningful - in
other words, a perfect weekend :)

Gastgeber: metalab / Andreas Pizsa
Beginn: Freitag, 24. Juli 2009 um 19:00
Ende: Sonntag, 26. Juli 2009 um 19:00
Ort: metalab
Straße: Rathausstraße 6
Stadt/Ort: Vienna, Austria

http://www.facebook.com/event.php?eid=94447637156
Metalab: http://metalab.at/


greetz
klml

--
Klaus Mueller
Heßstraße 90
80797 München

+49 89 18 98 58 21
+49 178 54 38 400
klml.de


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