The best way to design an off-grid radio system is to take advantage
of every chance you find to avoid having to generate a watt in the
first place.
Two drop-in replacement, high-efficiency voltage regulator devices
that can help to that end:
http://store.gravitech.us/312v1aswvore.html
That's one point I was making with my fuzzy math repeater
example. :-) I think the Wili card radios in that repeater system
will operate down to 7V.
I may need more than toys if I tried to use legacy 48V stuff and the
resultant voltage conversions.
At 10:08 AM 8/29/2009, you wrote:
The best
-router.com/itemdesc.asp?ic=TP-DCDC-1248eq=Tp=
Regards, Scott
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
Behalf Of Christopher Erickson
Sent: Thursday, August 27, 2009 9:36 PM
To: WISPA General List
Subject: Re: [WISPA] solar site
48VDC
, August 26, 2009 9:06 PM
To: WISPA General List
Subject: Re: [WISPA] solar site
I'm not sure I buy into your math. If I have a repeater site that
is
pulling 1A @ 12V, then it is consuming something like 12W, right?
If
I have 60W of solar panel (2 toys) then when conditions are optimal
]on
Behalf Of os10ru...@gmail.com
Sent: Wednesday, August 26, 2009 10:43 PM
To: WISPA General List
Subject: Re: [WISPA] solar site
I don't think his 24 hours of sun number meant in one 24 hour period.
I think he meant 24 hours of sun cumulative over 33 days. No?
Greg
On Aug 27, 2009, at 12
-boun...@wispa.org [mailto:wireless-boun...@wispa.org]on
Behalf Of os10ru...@gmail.com
Sent: Wednesday, August 26, 2009 10:43 PM
To: WISPA General List
Subject: Re: [WISPA] solar site
I don't think his 24 hours of sun number meant in one 24 hour period.
I think he meant 24 hours
Of Mike
Sent: Thursday, August 27, 2009 12:06 AM
To: WISPA General List
Subject: Re: [WISPA] solar site
I'm not sure I buy into your math. If I have a repeater site that is
pulling 1A @ 12V, then it is consuming something like 12W, right? If
I have 60W of solar panel (2 toys) then when
Broadband
502-722-9292
ch...@shelbybb.com
http://www.shelbybb.com
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
Behalf Of Josh Luthman
Sent: Thursday, August 27, 2009 8:57 AM
To: WISPA General List
Subject: Re: [WISPA] solar site
Chuck,
Current
christopher.k.erick...@gmail.com
Sent: Thursday, August 27, 2009 12:57 AM
To: WISPA General List wireless@wispa.org
Subject: Re: [WISPA] solar site
Could be but that isn't right either.
24 hours of daylight is not the same as 24 hours of full current charging.
The Sun rises and the Sun sets
Good information
http://www.solar4power.com/solar-power-sizing.html
- Original Message -
From: Mike Hammett wispawirel...@ics-il.net
To: WISPA General List wireless@wispa.org
Sent: Thursday, August 27, 2009 9:55 AM
Subject: Re: [WISPA] solar site
I think that's why they developed
Instead of talking 33.3 days and 24 hours of sun, let's just take an
average day.
At optimal output, and for the sake of argument, let's say our 60W
rated panels only produce 45W; optimally. Let's lob off 12% of that
to satisfy the naysayers and devil's advocates, and to account for
Anchorage, AK 99508
N61?11.710' W149?46.723'
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org]on
Behalf Of Terry Hickey
Sent: Thursday, August 27, 2009 9:32 AM
To: WISPA General List
Subject: Re: [WISPA] solar site
Good information
http
All this fuzzy math about hours of sun in 33.3 days is useless and not
the way the calculators work.
If you are consuming 12w and generating 60w (4 toy panels), here's some
math. 288w/day (12x24) load. According to the sun maps, we are in the 4
hour of sun (average!) area according to the sun
Do the math on the worst case scenario.
What kind of values do you need for the bad days - assuming you get a
minimal charge during cloudy days, how long does the few hours of that
charge last?
Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
When
'
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org]on
Behalf Of Mike
Sent: Thursday, August 27, 2009 10:35 AM
To: WISPA General List
Subject: Re: [WISPA] solar site
Instead of talking 33.3 days and 24 hours of sun, let's just take
, August 27, 2009 10:53 AM
To: WISPA General List
Subject: Re: [WISPA] solar site
I have designed a fair number of off-grid radio sites and in general,
I have come up with a few additional guidelines.
1. Have enough battery capacity to run for 7 days with zero charging.
This will give you a window
...@wispa.org]on
Behalf Of Chuck Profito
Sent: Thursday, August 27, 2009 11:09 AM
To: 'WISPA General List'
Subject: Re: [WISPA] solar site
Chris,
Re #4: Is that because the usable voltage? Ie: 11.2V of 12, 18 of 24? 36-38
of 48? Are these close to correct for std POE? Or what WISP's use
...@wispa.org] On
Behalf Of Christopher Erickson
Sent: Thursday, August 27, 2009 11:31 AM
To: WISPA General List
Subject: Re: [WISPA] solar site
* 48 volt power system (actually -48VDC) is a telco standard and
there is a LOT of carrier-class telecom equipment and charging
systems designed to operate
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
Behalf Of Christopher Erickson
Sent: Thursday, August 27, 2009 2:31 PM
To: WISPA General List
Subject: Re: [WISPA] solar site
* 48 volt power system (actually -48VDC) is a telco standard and
there is a LOT
: Thursday, August 27, 2009 12:18 PM
To: 'WISPA General List'
Subject: Re: [WISPA] solar site
Thank you Chris for a great explanation! But it brings to mind two more
questions (I know, I'm a PITA)
Do Picoverters have much loss? ( I think I know inverters lose 20% or more )
And what is 'near
'
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org]on
Behalf Of ralph
Sent: Thursday, August 27, 2009 1:26 PM
To: 'WISPA General List'
Subject: Re: [WISPA] solar site
But isn't your panel expense 2 to 4 times as much?
I looked at powering some Tropos
: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
Behalf Of Marlon K. Schafer
Sent: Monday, August 24, 2009 9:10 PM
To: WISPA General List
Cc: Principal WISPA Member List; isp-wirel...@isp-wireless.com
Subject: [WISPA] solar site
Hi All,
Sorry for the cross post. Time is short
Wonder Pole?
Please tell me more!
Mike wrote:
This particular setup is mounted to a 4 x 6 x 4 Wells Cargo enclosed
trailer. I painted it bright white and added my logo and on one side
Solar Powered Wireless. I park it at events and provide free
WiFi. I park it downtown every Friday
http://www.wonderpole.com/wp640_630.html
I have had very good service from this device. Don't over-tighten
the section rings in the field unless you have a pair of channel
locks with you. Don't ask me how I know that.
At 01:59 AM 8/26/2009, you wrote:
Wonder Pole?
Please tell me more!
Mike
-ed.com; WISPA General List
Subject: Re: [WISPA] solar site
This particular setup is mounted to a 4 x 6 x 4 Wells Cargo enclosed
trailer. I painted it bright white and added my logo and on one side
Solar Powered Wireless. I park it at events and provide free
WiFi. I park it downtown every Friday
[mailto:wireless-boun...@wispa.org] On
Behalf Of Mike
Sent: Wednesday, August 26, 2009 5:40 AM
To: WISPA General List
Subject: Re: [WISPA] solar site
I'd love to add that to my trailer. What is the make?
At 11:36 PM 8/25/2009, you wrote:
That sounds like great public service and a way to get recognized
PM
To: sarn...@info-ed.com; WISPA General List
Subject: Re: [WISPA] solar site
This particular setup is mounted to a 4 x 6 x 4 Wells Cargo enclosed
trailer. I painted it bright white and added my logo and on one side
Solar Powered Wireless. I park it at events and provide free
WiFi. I
: Tuesday, August 25, 2009 7:38 PM
To: 'WISPA General List'
Subject: Re: [WISPA] solar site
I was going to ask about this.
Harbor freight has a set of 3 on sale for 199 with controller and a few
other goodies.
I keep meaning to go get some before they go off sale again (I may be
too
late already
Thanks
What do they say about the panels themselves?
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
Behalf Of Mark McElvy
Sent: Wednesday, August 26, 2009 9:02 AM
To: WISPA General List
Subject: Re: [WISPA] solar site
The solar list that I
Of Mike
Sent: Wednesday, August 26, 2009 5:40 AM
To: WISPA General List
Subject: Re: [WISPA] solar site
I'd love to add that to my trailer. What is the make?
At 11:36 PM 8/25/2009, you wrote:
That sounds like great public service and a way to get recognized too!
If you want
.
Call around to your local stations and ask about surplus ENG trucks.
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
Behalf Of Mike
Sent: Wednesday, August 26, 2009 5:40 AM
To: WISPA General List
Subject: Re: [WISPA] solar site
] solar site
Home depot's site. go figure. $329 a Solar Back Up Kit (as they call
it.) 60 Watts. $329
http://www.homedepot.com/webapp/wcs/stores/servlet/ProductDisplay?storeId=10051langId=-1catalogId=10053productId=100658288
, 2009 5:40 AM
To: WISPA General List
Subject: Re: [WISPA] solar site
I'd love to add that to my trailer. What is the make?
At 11:36 PM 8/25/2009, you wrote:
That sounds like great public service and a way to get recognized too!
If you want to see something that really gets attention
No negative comments, they seem to be fine.
Mark McElvy
AccuBak Data Systems, Inc.
573.729.9200 - Office
WISPA Wants You! Join today!
http://signup.wispa.org/
-boun...@wispa.org [mailto:wireless-boun...@wispa.org]
On
Behalf Of ralph
Sent: Tuesday, August 25, 2009 7:38 PM
To: 'WISPA General List'
Subject: Re: [WISPA] solar site
I was going to ask about this.
Harbor freight has a set of 3 on sale for 199 with controller and a
few
other goodies
Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org]
On
Behalf Of ralph
Sent: Tuesday, August 25, 2009 7:38 PM
To: 'WISPA General List'
Subject: Re: [WISPA] solar site
I was going to ask about this.
Harbor freight has a set of 3 on sale for 199
] On
Behalf Of os10ru...@gmail.com
Sent: Wednesday, August 26, 2009 8:30 PM
To: WISPA General List
Subject: Re: [WISPA] solar site
I second the Morningstar
On Aug 26, 2009, at 8:32 AM, Mark McElvy wrote:
The solar list that I participate in recommend not using the charge
controller included in that kit
http://www.altestore.com/store/ is where I get my solar panels. That
panel looks like the 48v one they sell for a similar price.
Here in the north, I wouldn't bother with anything less than 100w of
panel. 2 60's might work for a small 1 MT site. Then you're looking at
closer to $1k for 120w of
24 hours of sun in 33 days is enough to run 12 watts. That's just
amazing when you think about it!
On 8/27/09, Mike m...@aweiowa.com wrote:
I'm not sure I buy into your math. If I have a repeater site that is
pulling 1A @ 12V, then it is consuming something like 12W, right? If
I have 60W of
Don't forget that there is some inefficiency in the battery and some
self discharge. So you don't get a watt out for every watt in. Also
don't forget that if you're doing this on a budget you're probably
using batteries which are made to deep cycle often so they won't last
long if being
Of Mike
Sent: Wednesday, August 26, 2009 9:06 PM
To: WISPA General List
Subject: Re: [WISPA] solar site
I'm not sure I buy into your math. If I have a repeater site that is
pulling 1A @ 12V, then it is consuming something like 12W, right? If
I have 60W of solar panel (2 toys) then when
Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org]on
Behalf Of Mike
Sent: Wednesday, August 26, 2009 9:06 PM
To: WISPA General List
Subject: Re: [WISPA] solar site
I'm not sure I buy into your math. If I have a repeater site that is
pulling 1A @ 12V
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org]on
Behalf Of os10ru...@gmail.com
Sent: Wednesday, August 26, 2009 10:43 PM
To: WISPA General List
Subject: Re: [WISPA] solar site
I don't think his 24 hours of sun number meant in one 24 hour period.
I
Am I missing something?
24 (hours of sun) * 60 watts = 1,440 watt hours of solar power
produced.
12 (watts) * 24 (hours in a day) * 33 (days) = 9504 (watt hours) not
1,440 of power consumed.
Working backwards starting with 1,440 watt hours to burn:
1,440 watt hours / 12 (watts) * 24
.
- Original Message -
From: Marlon K. Schafer o...@odessaoffice.com
To: WISPA General List wireless@wispa.org
Cc: Principal WISPA Member List w...@wispa.org;
isp-wirel...@isp-wireless.com
Sent: Monday, August 24, 2009 9:09 PM
Subject: [WISPA] solar site
Hi All,
Sorry for the cross
Check out Sunwize http://sunwize.com/. They're one of the places I've
purchased from. They can engineer the system for you, sell you
everything you need even the wire and junction boxes, and their prices
are good. I have no financial interest in recommending them.
Greg
On 8/24/09 11:39 PM,
General Listwireless@wispa.org
Subject: Re: [WISPA] solar site
When you are done compiling your list share the final back out please.
Scott Carullo
Brevard Wireless
321-205-1100 x102
Original Message
From: Marlon K. Schafer o...@odessaoffice.com
Sent: Tuesday, August 25
I bought two of the Northern Tool $79.00 15 watt panels, their $49.00
charge controller, a deep cycle marine battery from Walmart and built
my own. So far, the fully charged light comes on every day. The
battery should run my two radio repeater for more than a week. Might
not be the club
- Original Message -
From: Paul Rice paul.r...@boomerang-networks.com
To: wireless@wispa.org
Sent: Monday, August 24, 2009 9:55 PM
Subject: Re: [WISPA] solar site
Hi Marlon,
Solar isn't that hard we just need to look at a details to figure out what
is required and move on from
, and success achieved.
- Helen Keller
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf
Of Marlon K. Schafer
Sent: Tuesday, August 25, 2009 12:07 PM
To: WISPA General List
Subject: Re: [WISPA] solar site
- Original Message -
From: Paul
Member List' w...@wispa.org;
isp-wirel...@isp-wireless.com
Sent: Tuesday, August 25, 2009 7:44 AM
Subject: Re: [WISPA] solar site
Hi Marlon, Long time...
Voltage 12V
Power Consumption: MT 4 watts, 2 Radio cards 8 watts
Total= 12 watts @ 12V
We have a handy calculator at
http
25, 2009 8:50 AM
Subject: Re: [WISPA] solar site
I bought two of the Northern Tool $79.00 15 watt panels, their $49.00
charge controller, a deep cycle marine battery from Walmart and built
my own. So far, the fully charged light comes on every day. The
battery should run my two radio repeater
: [WISPA] solar site
Are you really saying that less than 500 bucks will build a solar system
good enough for our radios these days?
Dude, if that's true I can open up a LOT more doors!
marlon
- Original Message -
From: Mike m...@aweiowa.com
To: WISPA General List wireless@wispa.org
AM
Subject: Re: [WISPA] solar site
Let me get this right, You said;
I have a site with 1 starOS, 3 MT with 4 radios (total), 2 alvarion vl, 1
trango 5830, 1 SB ap, Cisco 16 port managed switch and an Airaya backhaul.
According to the digital logger at the site I'm pulling a total of about
1.8
: Tuesday, August 25, 2009 9:19 AM
Subject: Re: [WISPA] solar site
Let me get this right, You said;
I have a site with 1 starOS, 3 MT with 4 radios (total), 2 alvarion vl, 1
trango 5830, 1 SB ap, Cisco 16 port managed switch and an Airaya backhaul.
According to the digital logger at the site I'm
, August 25, 2009 8:50 AM
Subject: Re: [WISPA] solar site
I bought two of the Northern Tool $79.00 15 watt panels, their $49.00
charge controller, a deep cycle marine battery from Walmart and built
my own. So far, the fully charged light comes on every day. The
battery should run my two
Uh oh.
So what do you use? Regular U bolt clamps?
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf
Of AJ
Sent: Tuesday, August 25, 2009 9:45 AM
To: WISPA General List
Subject: Re: [WISPA] solar site
Note to sell -
NEVER EVER use
: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
Behalf Of AJ
Sent: Tuesday, August 25, 2009 9:45 AM
To: WISPA General List
Subject: Re: [WISPA] solar site
Note to sell -
NEVER EVER use radiator clamps to hold steel L beam brackets to a Trylon
steel tower leg
120
- Original Message -
From: Paul Rice paul.r...@boomerang-networks.com
To: WISPA General List wireless@wispa.org
Sent: Tuesday, August 25, 2009 9:35 AM
Subject: Re: [WISPA] solar site
Hey Marlon
is that 1.8 amps at 120VAC or 1.8 amps at 12VDC?
volts x amps = watts
Yikes, that is daunting.
Is that the site your putting in, or your example site?
--
From: Marlon K. Schafer o...@odessaoffice.com
Sent: Tuesday, August 25, 2009 12:04 PM
To: WISPA General List wireless@wispa.org
Subject: Re: [WISPA] solar site
.
Paul
--
From: Paul Rice paul.r...@boomerang-networks.com
Sent: Tuesday, August 25, 2009 12:09 PM
To: WISPA General List wireless@wispa.org
Subject: Re: [WISPA] solar site
Yikes, that is daunting.
Is that the site your putting in, or your
Subject: Re: [WISPA] solar site
Yikes, that is daunting.
Is that the site your putting in, or your example site?
--
From: Marlon K. Schafer o...@odessaoffice.com
Sent: Tuesday, August 25, 2009 12:04 PM
To: WISPA General List wireless@wispa.org
.
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
Behalf Of Marlon K. Schafer
Sent: Tuesday, August 25, 2009 10:33 AM
To: WISPA General List
Subject: Re: [WISPA] solar site
Just an example of how little power we really need.
I guess I'm too used to those
I was shocked to find the 15W panels at Northern for $79.00. I
ordered some and they work great. You need a charge controller,
$45.00 to keep the batteries from over charging. You have to get
creative with uni-strut and angle iron to make your own mount, or buy
them. Batteries are the
@wispa.org
Subject: Re: [WISPA] solar site
I'd recommend you use either a unmanaged or managed industrial DC powered
switch 12-20 vdc
otherwise your going to need a LOT of solar panels (650 watts is what my
calcs came up with)
In fact eliminate all 120 AC from your outdoor install for the best
Computing Solutions
http://www.ics-il.com
--
From: Paul Rice paul.r...@boomerang-networks.com
Sent: Tuesday, August 25, 2009 12:19 PM
To: WISPA General List wireless@wispa.org
Subject: Re: [WISPA] solar site
I'd recommend you use either
...@wispa.org] On
Behalf Of Mike
Sent: Tuesday, August 25, 2009 2:30 PM
To: WISPA General List
Subject: Re: [WISPA] solar site
I was shocked to find the 15W panels at Northern for $79.00. I
ordered some and they work great. You need a charge controller,
$45.00 to keep the batteries from over charging
Interesting. What radios are you powering this with?
Scottie
-- Original Message --
From: Mike m...@aweiowa.com
Reply-To: WISPA General List wireless@wispa.org
Date: Tue, 25 Aug 2009 10:50:14 -0500
I bought two of the Northern Tool $79.00 15 watt panels,
To: WISPA General List
Subject: Re: [WISPA] solar site
Just an example of how little power we really need.
I guess I'm too used to those 500 horse power irrigation pumps we use.
marlon
- Original Message -
From: Paul Rice paul.r...@boomerang-networks.com
To: WISPA General List wireless
Subject: Re: [WISPA] solar site
Yikes, that is daunting.
Is that the site your putting in, or your example site?
--
From: Marlon K. Schafer o...@odessaoffice.com
Sent: Tuesday, August 25, 2009 12:04 PM
To: WISPA General List wireless
It looks like there is a sweet spot at 60 watts
http://www.solarhome.org/51-60wattsolarpanels.aspx
About $250 each.
John
Mike wrote:
I was shocked to find the 15W panels at Northern for $79.00. I
ordered some and they work great. You need a charge controller,
$45.00 to keep the
This particular setup is mounted to a 4 x 6 x 4 Wells Cargo enclosed
trailer. I painted it bright white and added my logo and on one side
Solar Powered Wireless. I park it at events and provide free
WiFi. I park it downtown every Friday for Farmers Market and the
name recognition has been
toting a rocket launcher) LOL
Ralph
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
Behalf Of Mike
Sent: Tuesday, August 25, 2009 10:57 PM
To: sarn...@info-ed.com; WISPA General List
Subject: Re: [WISPA] solar site
This particular setup is mounted
Message -
From: Marlon K. Schafer o...@odessaoffice.com
To: WISPA General List wireless@wispa.org
Cc: Principal WISPA Member List w...@wispa.org;
isp-wirel...@isp-wireless.com
Sent: Monday, August 24, 2009 9:09 PM
Subject: [WISPA] solar site
Hi All,
Sorry for the cross post. Time
Hi All,
Sorry for the cross post. Time is short on this project and I need a lot of
help.
I've never done a solar project. Never really even looked at them due to
the costs I've seen tossed about.
Now I have a customer that's willing to purchase the initial equipment
needed to cover his
Subject: [WISPA] solar site
Hi All,
Sorry for the cross post. Time is short on this project and I need a lot
of
help.
I've never done a solar project. Never really even looked at them due to
the costs I've seen tossed about.
Now I have a customer that's willing to purchase the initial
Hi Marlon,
Solar isn't that hard we just need to look at a details to figure out what is
required and move on from there
here are details to figure out about solar to make sure it works right
1. figure out how many watt-hours a day he will need for MT radio. Average and
maximum watt-hours
2.
77 matches
Mail list logo
