RE: [WISPA] 900Mhz Grid vs Yagi

2006-01-27 Thread danlist
Yagi's performance like crap w/ snow and ice on them though

> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf
> Of Marlon K. Schafer (509) 982-2181
> Sent: Friday, January 27, 2006 10:42 AM
> To: WISPA General List
> Subject: Re: [WISPA] 900Mhz Grid vs Yagi
> 
> A bit old here  But check out:
> http://www.odessaoffice.com/wireless/antenna/how_to_pick_the_right_antenna.htm
> There are radiation pattern examples there.  As a general rule I'd have to
> say that yagi's are quite a bit better than grids.
> 
> laters,
> Marlon
> (509) 982-2181   Equipment sales
> (408) 907-6910 (Vonage)Consulting services
> 42846865 (icq)And I run my own wisp!
> 64.146.146.12 (net meeting)
> www.odessaoffice.com/wireless
> www.odessaoffice.com/marlon/cam
> 
> 
> 
> - Original Message -
> From: "Tom DeReggi" <[EMAIL PROTECTED]>
> To: "WISPA General List" 
> Sent: Monday, November 14, 2005 5:09 PM
> Subject: [WISPA] 900Mhz Grid vs Yagi
> 
> 
> >
> > PacWireless makes a 900Mhz 18 dbi Parabolic grid antenna.
> > M2 makes a 900Mhz 17.5 dbi Yagi antenna.
> >
> > We had found that 900 was very particular to placement, even a few inches
> > in one direction or the other can make big differences in link quality.
> > Has anyone used both antenna types for a specific link, to compare the
> > properties of each of the designs. The thought is whether the wider
> > surface area of the parabolic antenna would make it better to survive
> > signal obstruction from swaying trees in forests.  The prabolic is a
> > monster at 3 ft dia, s othe Yagi would clearly be a better choice for a
> > roof top chimney install based on cosmetics.  But wondering from a
> > performance perspective the comparison.
> >
> > Tom DeReggi
> > RapidDSL & Wireless, Inc
> > IntAirNet- Fixed Wireless Broadband
> >
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Re: [WISPA] 900Mhz Grid vs Yagi

2006-01-27 Thread Marlon K. Schafer (509) 982-2181

A bit old here  But check out:
http://www.odessaoffice.com/wireless/antenna/how_to_pick_the_right_antenna.htm
There are radiation pattern examples there.  As a general rule I'd have to 
say that yagi's are quite a bit better than grids.


laters,
Marlon
(509) 982-2181   Equipment sales
(408) 907-6910 (Vonage)Consulting services
42846865 (icq)And I run my own wisp!
64.146.146.12 (net meeting)
www.odessaoffice.com/wireless
www.odessaoffice.com/marlon/cam



- Original Message - 
From: "Tom DeReggi" <[EMAIL PROTECTED]>

To: "WISPA General List" 
Sent: Monday, November 14, 2005 5:09 PM
Subject: [WISPA] 900Mhz Grid vs Yagi




PacWireless makes a 900Mhz 18 dbi Parabolic grid antenna.
M2 makes a 900Mhz 17.5 dbi Yagi antenna.

We had found that 900 was very particular to placement, even a few inches 
in one direction or the other can make big differences in link quality. 
Has anyone used both antenna types for a specific link, to compare the 
properties of each of the designs. The thought is whether the wider 
surface area of the parabolic antenna would make it better to survive 
signal obstruction from swaying trees in forests.  The prabolic is a 
monster at 3 ft dia, s othe Yagi would clearly be a better choice for a 
roof top chimney install based on cosmetics.  But wondering from a 
performance perspective the comparison.


Tom DeReggi
RapidDSL & Wireless, Inc
IntAirNet- Fixed Wireless Broadband

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RE: [WISPA] 900Mhz Grid vs Yagi

2005-11-14 Thread Rick Smith

http://www.pacwireless.com/products/GD9-15_datasheet.pdf

I paid about $75 through CTI... 

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Brian Rohrbacher
Sent: Monday, November 14, 2005 11:58 PM
To: WISPA General List
Subject: Re: [WISPA] 900Mhz Grid vs Yagi

Whats the cost comparison on these three?

Travis Johnson wrote:

> Hi,
>
> I just looked on Pac Wireless' website, as well as Wisp-router and I 
> don't see the 900mhz grid. Do you have a part number or direct link?
>
> Travis
> Microserv
>
> Rick Smith wrote:
>
>> Tom,
>>
>> Check out the newer 15 dbi grid from Pac - it's the same grid as the
>> 2.4 parabolic, but with a 900 mhz horn.
>>
>> It ROCKS in comparison to many other antennas, and I've used 'em all.
>>
>> I'm usin this particular one with Canopy - 12 miles out and -74 
>> through thick trees on the CPE end.   7 jitter!
>>
>> R
>>
>>
>> -Original Message-
>> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
>> On Behalf Of Tom DeReggi
>> Sent: Monday, November 14, 2005 8:09 PM
>> To: WISPA General List
>> Subject: [WISPA] 900Mhz Grid vs Yagi
>>
>>
>> PacWireless makes a 900Mhz 18 dbi Parabolic grid antenna.
>> M2 makes a 900Mhz 17.5 dbi Yagi antenna.
>>
>> We had found that 900 was very particular to placement, even a few 
>> inches in one direction or the other can make big differences in link 
>> quality.  Has anyone used both antenna types for a specific link, to 
>> compare the properties of each of the designs. The thought is whether 
>> the wider surface area of the parabolic antenna would make it better 
>> to survive signal obstruction from swaying trees in forests.  The 
>> prabolic is a monster at 3 ft dia, s othe Yagi would clearly be a 
>> better choice for a roof top chimney install based on cosmetics.  But 
>> wondering from a performance perspective the comparison.
>>
>> Tom DeReggi
>> RapidDSL & Wireless, Inc
>> IntAirNet- Fixed Wireless Broadband
>>
>> --
>> 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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Re: [WISPA] 900Mhz Grid vs Yagi

2005-11-14 Thread Brian Rohrbacher

Whats the cost comparison on these three?

Travis Johnson wrote:


Hi,

I just looked on Pac Wireless' website, as well as Wisp-router and I 
don't see the 900mhz grid. Do you have a part number or direct link?


Travis
Microserv

Rick Smith wrote:


Tom,

Check out the newer 15 dbi grid from Pac - it's the same grid as the 
2.4 parabolic, but with a 900 mhz horn.


It ROCKS in comparison to many other antennas, and I've used 'em all.

I'm usin this particular one with Canopy - 12 miles out and -74 
through thick trees on the CPE end.   7 jitter!


R


-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 
On Behalf Of Tom DeReggi

Sent: Monday, November 14, 2005 8:09 PM
To: WISPA General List
Subject: [WISPA] 900Mhz Grid vs Yagi


PacWireless makes a 900Mhz 18 dbi Parabolic grid antenna.
M2 makes a 900Mhz 17.5 dbi Yagi antenna.

We had found that 900 was very particular to placement, even a few 
inches in one direction or the other can make big differences in
link quality.  Has anyone used both antenna types for a specific 
link, to compare the properties of each of the designs. The thought
is whether the wider surface area of the parabolic antenna would make 
it better to survive signal obstruction from swaying trees in
forests.  The prabolic is a monster at 3 ft dia, s othe Yagi would 
clearly be a better choice for a roof top chimney install based
on cosmetics.  But wondering from a performance perspective the 
comparison.


Tom DeReggi
RapidDSL & Wireless, Inc
IntAirNet- Fixed Wireless Broadband

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Re: [WISPA] 900Mhz Grid vs Yagi

2005-11-14 Thread Travis Johnson

Hi,

I just looked on Pac Wireless' website, as well as Wisp-router and I 
don't see the 900mhz grid. Do you have a part number or direct link?


Travis
Microserv

Rick Smith wrote:


Tom,

Check out the newer 15 dbi grid from Pac - it's the same grid as the 2.4 
parabolic, but with a 900 mhz horn.

It ROCKS in comparison to many other antennas, and I've used 'em all.

I'm usin this particular one with Canopy - 12 miles out and -74 through thick 
trees on the CPE end.   7 jitter!

R


-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Tom DeReggi
Sent: Monday, November 14, 2005 8:09 PM
To: WISPA General List
Subject: [WISPA] 900Mhz Grid vs Yagi


PacWireless makes a 900Mhz 18 dbi Parabolic grid antenna.
M2 makes a 900Mhz 17.5 dbi Yagi antenna.

We had found that 900 was very particular to placement, even a few inches in 
one direction or the other can make big differences in
link quality.  Has anyone used both antenna types for a specific link, to 
compare the properties of each of the designs. The thought
is whether the wider surface area of the parabolic antenna would make it better 
to survive signal obstruction from swaying trees in
forests.  The prabolic is a monster at 3 ft dia, s othe Yagi would clearly be a 
better choice for a roof top chimney install based
on cosmetics.  But wondering from a performance perspective the comparison.

Tom DeReggi
RapidDSL & Wireless, Inc
IntAirNet- Fixed Wireless Broadband

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RE: [WISPA] 900Mhz Grid vs Yagi

2005-11-14 Thread Rick Smith

Tom,

Check out the newer 15 dbi grid from Pac - it's the same grid as the 2.4 
parabolic, but with a 900 mhz horn.

It ROCKS in comparison to many other antennas, and I've used 'em all.

I'm usin this particular one with Canopy - 12 miles out and -74 through thick 
trees on the CPE end.   7 jitter!

R
 

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Tom DeReggi
Sent: Monday, November 14, 2005 8:09 PM
To: WISPA General List
Subject: [WISPA] 900Mhz Grid vs Yagi


PacWireless makes a 900Mhz 18 dbi Parabolic grid antenna.
M2 makes a 900Mhz 17.5 dbi Yagi antenna.

We had found that 900 was very particular to placement, even a few inches in 
one direction or the other can make big differences in
link quality.  Has anyone used both antenna types for a specific link, to 
compare the properties of each of the designs. The thought
is whether the wider surface area of the parabolic antenna would make it better 
to survive signal obstruction from swaying trees in
forests.  The prabolic is a monster at 3 ft dia, s othe Yagi would clearly be a 
better choice for a roof top chimney install based
on cosmetics.  But wondering from a performance perspective the comparison.

Tom DeReggi
RapidDSL & Wireless, Inc
IntAirNet- Fixed Wireless Broadband

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