I have 4 two ft dishes that where pulled down when the previous wisp
went out of business. There are no markings on them and I need to
determine frequency and polarity.
Mark McElvy
AccuBak Data Systems, Inc.
I know they applied for ARRA funds.
-
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com
--
From: Mark McElvy mmce...@accubak.com
Sent: Tuesday, October 20, 2009 9:48 PM
To: WISPA General List wireless@wispa.org
Subject:
It's the feed that determine the frequency. If there is no markings on it
the only reasonable way is to use something like a Bird Site Analyzer to
figure out your VSWR on the feed and see where the VSWR and return loss is
the best.
The dish itself only focus the energy in one particular spot then
Got a spectrum analyzer and a frequency generator? Or a good network
analyzer will do, but most people don't have one laying around. The
feeds could literally be anything. You might be better off just calling
the MFG of the dish and buying new feeds in the range you want unless
you you have a
These appear to be Pac Wireless dishes. Is there any instructions on
setting the polarity? I seem to remember setting up an new Pac dish and
there where instructions showing the polarity setting based on a pin on
the feed horn.
Mark McElvy
AccuBak Data Systems, Inc.
-Original Message-
I happen to know they are either 5.8 or 2.4 as this was the only
equipment I have found of theirs, they left it all when they went out of
business.
Mark McElvy
AccuBak Data Systems, Inc.
573.729.9200 - Office
573.729.9203 - Fax
573.247.9980 - Mobile
http://www.accubak.com/
http://www.accubak.net/
Can you measure diameter and compare it with the 2.4 and 5.8 GHz dishes?
Never thought about it but they would have to be different sizes.
Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
When you have eliminated the impossible, that which remains,
Hmmm, pretty sure a 2' dish is a 2' dish regardless of frequency...or are
you speaking of the diameter of the feed?
Best,
Brad
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
Behalf Of Josh Luthman
Sent: Wednesday, October 21, 2009 9:40 AM
To:
but is that 2' at 2.4 or 5.8?
ducks
Sent from my iPhone
On Oct 21, 2009, at 7:49 AM, Brad Belton b...@belwave.com wrote:
Hmmm, pretty sure a 2' dish is a 2' dish regardless of
frequency...or are
you speaking of the diameter of the feed?
Best,
Brad
-Original Message-
Ok, just checking. Good cover...grin
Best,
Brad
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
Behalf Of Josh Luthman
Sent: Wednesday, October 21, 2009 9:56 AM
To: WISPA General List
Subject: Re: [WISPA] Identifying 2ft dish frequency
The
Diameter is irrelevant and will not tell you frequency. The feed is
determine the frequency.
If these are Pacific Wireless dishes then they are 5GHz assuming these are
solid dishes since Pac never produced a 2.4GHz feedhorn for their solid
dishes at least during the 6+ years we been one of their
BTW Mark, if you determine they are PacWireless antennas I'd just punt them
on EBay and replace them with RadioWaves or Gabriel 2' antennas. In the
long run you'll be a lot happier. Just my opinion...
Best,
Brad
-Original Message-
From: wireless-boun...@wispa.org
Only reason why the feed arm is longer on a higher gain dish or grid is
because the grid or dish is larger and the focal point is further away from
the dish so the arm has to be longer but that is independent of frequency
because the focal point will always be at the same place on the same dish no
Assuming they're Pac (not sure how that was determined)
You know they are 2.4 or 5Ghz
Eje just said: If these are Pacific Wireless dishes then they are 5GHz
assuming these are
solid dishes since Pac never produced a 2.4GHz feedhorn for their solid
dishes at least during the 6+ years we been one
Currently, we have StarOS/WRAP (v2) acting as the AP's on our towers.
The CBQ settings are configured to bandwidth shape the customers IP
address. I decided it would be better to shape the CPE's IP addy but
it doesnt seem to work. The customer gets full throttle unles I shape
their addy. The only
I suppose the may not be pacwireless as I have determined they are 2.4
by hooking the up to a CM9 and when ap is in 5.8 I see nothing and when
in 2.4 I can see. Now I just need to find 5.8 feedhorns to fit this
dish.
Mark
-Original Message-
From: wireless-boun...@wispa.org
I decided they are pacwireless based on buying some new dishes several
years back and they are built exactly the same. May be a bad assumption.
Mark
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
Behalf Of Josh Luthman
Sent: Wednesday,
Feed length is based on dish size; where does the parabola focus.
Nothing to do with frequency, everything reflects the same.
Size of the feed horn isn't always an indicator either. Can depend on a
lot of things.
Josh Luthman wrote:
The feedhorn specifically. Maybe the length will help you
Are all parabolic grids the same visually? I would expect the mounting
hardware to be most distingushable.
Do you mean you can NOT depend on a lot of things, Scott?
From what I've picked up on this thread is there is no real way to identify
a dish nor feedhorn for polarity/frequency. Stickers
Scottie,
I've had some minor success by talking to a local metal scrap yard. It's a
pretty good sized one, they put up a small sign at the pay window saying
that if they get any tower sections to not crush or bend them. If they get
a get sections they call and I go over. It's usually old
The CPE's address on anything I have ever used is for the CPE. Traffic
to/from that address is destined for/comes from the CPE. To throttle
the customer, you have to do the customer's address(es.)
RickG wrote:
Currently, we have StarOS/WRAP (v2) acting as the AP's on our towers.
The CBQ
The feeds used on the Pac/Laird 2 dishes is 8.5 long from flange to the
bottom of the feed.
The new wide band feeds are a flat looking disk 5.75 in diameter.
http://store.wisp-router.com/customkititems.asp?kc=DA5W%2D29eq=#
Shows a picture of the old narrow band feed it's about 2 in diameter.
I have a guy who pays his bill in dish mounts. $2 per mount delivered.
We only accept the ones that are clean and reusable. He drops by every
couple of weeks with 40-50 of them. Looks like they were removals from
Dish/Direct TV.
Regards,
Chuck Hogg
Shelby Broadband
502-722-9292
If you use CPE that is a router there is only 1 ip address used but for
a CPE bridge you are using 2 ip address's (1 for the CPE and 1 for the
customer). This is why you have to use the customer ip on a CPE bridge.
LaRoy McCann
Data Technology
RickG wrote:
Currently, we have StarOS/WRAP (v2)
Yep, those mounts are handy. Looks like 2 bucks is the going rate!
Some of these scrap guys just travel around charging a few bucks to remove
old dishs or to take down an old TV tower. 75 bucks to take down an old
American Tower isn't bad, then they go get a few bucks when they take it to
the
They are not. Without markings or other things to reference by all you can
do is measure current focal length and find a feed that matches that focal
length or adjust the new feed to the same focal length because the parabolic
curve determines where the focus point is on the dish/grid and
Actually they did produce some 2.4GHz feeds but as far as I know they
decided not to market them but Pac sourced their solid dishes from China and
I know others that sold the same dish but the feeds many times where
different and they brought out their own feed for the dish. So it might be
same
Pac uses the same grid, some mount, for 2.4 and 5. Difference is the
feed horn. Length of the feedhorn is the same as the focal point of the
parabola does not change with frequency. Simple math on that one.
The depends comment is that different performance parameters change the
size of the
I'm a GigE circuit to the mix, and I've got a choice of:
Abovenet
Cogent
Global Crossing
Level3
Savvis
I'm looking for recommendations of who the better upstream is.
Marco
--
Marco C. Coelho
Argon Technologies Inc.
POB 875
Greenville, TX 75403-0875
903-455-5036
Level 3 has been solid for us.
On Wed, Oct 21, 2009 at 12:07 PM, Marco Coelho coelh...@gmail.com wrote:
I'm a GigE circuit to the mix, and I've got a choice of:
Abovenet
Cogent
Global Crossing
Level3
Savvis
I'm looking for recommendations of who the better upstream is.
Marco
--
I've been a big fan of Level3 but yesterday they had the same issue twice in
Atlanta. Massive outage.
Can't really say much more then I am disappointed to hear why it happened.
Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
When you have
Stay far far away from Savvis. They did me VERY dirty on a circuit I needed
to move.
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
Behalf Of Marco Coelho
Sent: Wednesday, October 21, 2009 11:07 AM
To: WISPA General List
Subject: [WISPA]
I'll second that. I can't tell you how many pac dishes have either
leaked water into the feed or have major problems with icing in the
winter. I triple seal everything on my dishes and have had pac grids and
solids somehow still get water into the center pin of the connector. I
have no idea
That is correct, I allocate an IP for the bridge and one for the
client. The more I think about it, the more it makes sense. I was just
hoping that by slowing down the bridge, they would slow down as well.
I'm switching to routers as CPE, so eventually I'll get there.
Thanks! -RickG
On Wed, Oct
Cogent has a bad rap but they have been solid for us for the past
year. Prior to that they had a few hickups. Their peering is pretty
good. Low latency to all major content sites.
Level3 seems to have more outages than a provider of their reputation should.
Savvis is has poor peering from what I
Cogent has cheap bandwidth, and its decently peered.
Only other one I can comment on is Level3.
Here in orlando they have there share of outages/problems, but have good
peering.
Really, if your looking for a good mix of routes, with cheap bandwidth
cogent is the way to go. They do a lot of
Choices choices choices.Qwest out here, everything else, you pay
Qwest 2x to get to them. 360 Networks is breaking out some fiber here
soon though.
-Kevin
On Wed, Oct 21, 2009 at 10:07 AM, Marco Coelho coelh...@gmail.com wrote:
I'm a GigE circuit to the mix, and I've got a choice of:
If you need a good deal on Cogent, shoot me off-list..
---
Dennis Burgess, CCNA, A+, Mikrotik Certified Trainer
WISPA Board Member - wispa.org
Link Technologies, Inc -- Mikrotik WISP Support Services
WISPA Vendor Member
Office:
Just curious about something.
If' I'm using an R5H card with a 54meg tx power of 21db, then switch it
to 1/2 size channels (10mhz), will I still be limited to 21db txpower,
or something closer to 25 (the 24M full size channel tx power)? I'm
pretty sure the txpower is tied to the modulation,
Better signal due to noise floor change. 10Mhz has been a life send.
Steve Barnes
Manager
PCS-WIN
RC-WiFi Wireless Internet Service
Character cannot be developed in ease and quiet. Only through experience of
trial and suffering can the soul be strengthened, vision cleared, ambition
inspired,
I always hear about Cogent having a bad rap, but where does that come
from? I can't say that one bit! They've worked great for us and during
the initial install clearly went above and beyond the call of duty when
we encountered a problem even waking a VP up at 1AM on a Sunday morning
because we
Sounds like a good idea guys. The guy that owns the landfill in my area is a
relative, so I may be able to get some good deals that way. I had never thought
about that. Thanks.
Scottie
-- Original Message --
From: Chuck Hogg ch...@shelbybb.com
Reply-To:
Right on. Did you know you can find the focal point, even of an
off-center feed, of a solid parabolic by busting a mirror? Yeah,
break a mirror into a thousand pieces. Use a glue stick or rubber
cement to glue 30 - 40 of the pieces to the dish surface. Using a
car headlight or really
VERY Useful! I am going to make a sign and go visit my local
landfill lady real soon.
Thanks for a great idea.
Mike
At 10:35 AM 10/21/2009, Robert West wrote:
Scottie,
I've had some minor success by talking to a local metal scrap yard. It's a
pretty good sized one, they put up a small sign
VERY Useful! I am going to make a sign and go visit my local
landfill lady real soon.
Thanks for a great idea.
Mike
At 10:35 AM 10/21/2009, Robert West wrote:
Scottie,
I've had some minor success by talking to a local metal scrap yard. It's a
pretty good sized one, they put up a small sign
Hi,
In my experience, when changing from 20mhz to 10mhz channel size, I see
a +3db in signal strength on each side of the link. This is with no
other changes, we leave all the power settings at default.
Travis
Microserv
Randy Cosby wrote:
Just curious about something.
If' I'm using an R5H
Only problem I've got with 10Mhz (or 5Mhz) is that a vast majority of
laptops cannot see that, and it kills our hotspot capabilities. Beyond
that, yes, it's fantastic.
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
Behalf Of Steve Barnes
On Wed, 2009-10-21 at 10:00 -0500, Eje Gustafsson wrote:
I cannot on top of my head recall how to determine the installed polarity of
the feed but will go back to the warehouse to take a quick look to see how
the feed needs to be installed for vertical and horizontal since it's
impossible to
On the PAC solids, as I recall, there is a bump on the feed that can
go into one of two slots in the center hole of the dish. When the bump
is vertical, the polarity is vertical. When the bump is horizontal,
polarity is horizontal.
Cameron
Butch Evans wrote:
On Wed, 2009-10-21 at 10:00
They had congestion problems back prior to 2005 from what I hear due
to crazy overselling.
Three years ago we had a horrid time with their local POP dropping off
the net every other week. I would have to call them and tell them
their POP was paritioned because I only saw routes from their other
Drop a MT 433A in place with a 2nd R52 as your hotspot on an Omni Down lower on
the tower. Then you have a dedicated Radio for Subscribers secured on a 10Mhz
channel and a Hotspot Radio that if it has some goofy laptop in a semi trying
to connected at -88 it doesn't kill all your subs.
Steve
Does anyone know of a public domain source for telco wirecenter boundary
and CO location information? Something that could be imported into
Google Earth would be wonderful.
--
Patrick Shoemaker
Vector Data Systems LLC
shoemak...@vectordatasystems.com
office: (301) 358-1690 x36
Cogent can be ok, but they are not equal to AboveNET, XO, ATT, Level3
etc... We have multiple upstream GigE feeds and Cogent is one of them.
It took us months to get Cogent to resolve a flapping switch or router
within their network. After a couple dozen screenshots and trace routes
from
It doesn't exist...I've searched for years. Had to resort to buying it.
On Wed, Oct 21, 2009 at 3:42 PM, Patrick Shoemaker
shoemak...@vectordatasystems.com wrote:
Does anyone know of a public domain source for telco wirecenter boundary
and CO location information? Something that could be
Makes sense. Same power in half the with is like doubling the power
Jerry
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf
Of Travis Johnson
Sent: Wednesday, October 21, 2009 12:08 PM
To: WISPA General List
Subject: Re: [WISPA] 1/2
On Wed, 2009-10-21 at 14:31 -0500, ccrum wrote:
On the PAC solids, as I recall, there is a bump on the feed that can
go into one of two slots in the center hole of the dish. When the bump
is vertical, the polarity is vertical. When the bump is horizontal,
polarity is horizontal.
That may
You're not thinking of the arrow sticker are you..?
Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
When you have eliminated the impossible, that which remains, however
improbable, must be the truth.
--- Sir Arthur Conan Doyle
On Wed, Oct 21, 2009
It should be noted that an Upstreams performance can be directly
proportional to the location where they have more peering.
In the DC and NY markets, Cogent has excellent performance and peering, and
has shown to outperform EVERY provider we have tried, period.
(And yes, some of the carriers we
On Wed, 2009-10-21 at 16:57 -0400, Josh Luthman wrote:
You're not thinking of the arrow sticker are you..?
The last one I actually got a close look at may have had a sticker, but
I don't recall. There was something physical about how you installed it
that was different for vertical/horizontal.
Isn't XO a Level3 reseller?
Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
When you have eliminated the impossible, that which remains, however
improbable, must be the truth.
--- Sir Arthur Conan Doyle
On Wed, Oct 21, 2009 at 5:28 PM, Tom DeReggi
I bought some gabriel dishes probably 8-10 years ago, and they all failed, so
gabriel gave us a deal on new feedhorns, and most of them have since failed
too. Perhaps things are better now. We had one fail this past winter, and
just took it off the tower this summer. We just tossed the dish and
Telcodata.us has some info such as CO information and who's in the COs. You
can use the web interface or buy the whole database of them for a modest
subscription. I don't know of any good information about wirecenter
boundaries. I'd be interested as wirecenter boundaries would be good to
Does anyone whether vendor or WISP have a comprehensive list of all the
Trade Shows and their run dates relating to the Wireless Industry
between February, 2010 and June, 2010. If so please email me OFF-LIST
at for...@wispa.org
Thank you,
Forbes Mercy
WISPA - Promotions Committee Chair
While I agree no solution can be considered equal in any given location,
there are trends or a general barometer to help place one carrier over
another. This is the reality that typically puts Cogent towards the back of
the bus in most people's minds.
The biggest proponents of Cogent are those
Brad Belton wrote:
While I agree no solution can be considered equal in any given location,
there are trends or a general barometer to help place one carrier over
another.
Such as?
This is exactly my point (being made by Tom, a Cogent customer!) why Cogent
should not be depended on as a
As we can all see, This is very dependent on market. Bret here has had a
great time with cogent, where others are quick to say its a lesser
provider. Arguing which carrier has better uptime is a waste of time.
Long story short, Pick what is the best in that market.
You might even get away with
I'll add this one thing I was trying to buy an old 65 foot free
standing DX tower from a guy, the thing was laying in his field covered in
weeds near his barn. I saw it all the time and finally stopped and told him
I'd buy it for 100 bucks. He looked at me and said, For a CB tower?!
That's
It comes from being a cheap S.O.B. Those J mounts aren't cheap new but the
used ones for 2 bucks are usually perfect. A little WD-40 on the adjuster
and it's all good. I don't know what they're made of, maybe some aluminum
alloy but they are really light, I doubt they have much value as scrap
Never seen the aluminum ones. Every Dish/Direct dish mount I've seen
are epoxy paint coated steel.
At 05:54 PM 10/21/2009, you wrote:
It comes from being a cheap S.O.B. Those J mounts aren't cheap new but the
used ones for 2 bucks are usually perfect. A little WD-40 on the adjuster
and it's
Hello Bret,
You missed the point about the biggest proponents of Cogent are those that
only have Cogentsilence...
Spectraaccess ASN: 36645
http://www.cidr-report.org/cgi-bin/as-report?as=AS36645
http://bgplay.routeviews.org/bgplay/208.65.172.0/22 208.82.132.0/22
Tom appears to be
With any provider, you should have a BGP mix. Cogent has had peering
disputes with some of the bigger networks over the years. If you were
multi-homed, you had no problem.
-
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com
Tom,
Can you explain how you tested that Cogent "outperformed" every other
provider? The only way I know to test that is to actually have all
those providers, running full BGP routes to your router and seeing
where the traffic goes. Is that how you tested?
Travis
Microserv
Tom DeReggi
Brad Belton wrote:
Hello Bret,
You missed the point about the biggest proponents of Cogent are those that
only have Cogentsilence...
We prepend our other peers, because Cogent has been the most stable and
latency/jitter the lowest. So I don't get you point...
I'm not a Cogent basher
The problems with the Gabriel 2' dual polarity dishes has been fixed. Chances
are you only saw these issues because you were not using radomes. The epoxy or
whatever sealant they were using at the tip of the feedhorn to hold the end cap
on was breaking down and the feedhorn would wick moisture
Brad,
Once again I disagree.
Cogent represents themselves as low cost, but they have never represented
themselves as low quality.
Second, Cogent is most ideal as the FIRST PRIMARY provider, because Cogent
is higher performing, and faster speed connections are more affordable.
I agree, a
Nathan,
Like your perspective.
I'll say the reason that I admit that I have had some uptime issues is
that.
I once had an ATT- T1, that never had a single outage or degregation in the
4 years that we had it. NOT one.
It was special to have that experience, and see something so reliable
Isn't XO a Level3 reseller?
I dont know, they could be in some markets.
But what I can tell you is that XO does own their own national fiber
backbone that covers some US markets.
But that brings up a new topic about why some can be more cost competitive
in certain areas.
It really boils down
Yep, the j mounts that the dish goes on. They make good mounts for the nano
stations
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
Behalf Of Josh Luthman
Sent: Wednesday, October 21, 2009 7:03 PM
To: WISPA General List
Subject: Re: [WISPA] OT:
That's probably what they are. Very thin wall and light.
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
Behalf Of Mike
Sent: Wednesday, October 21, 2009 7:18 PM
To: WISPA General List
Subject: Re: [WISPA] OT: Used Tower Pricing.
Never seen the
Travis,
Right now, we currently only have two Cogent transit connections live. One in
Maryland, and one in DC. There is a story behind why that is the case right
now, but I prefer to keep that off a PUBLIC INTERNET list. But just because
that is the case today, does not mean that that has
80 matches
Mail list logo
