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From: Mario Pommier [EMAIL PROTECTED]
To: WISPA General List wireless@wispa.org
Sent: Sunday, March 18, 2007 11:19 AM
Subject: Re: [WISPA] LMR600, LMR900, Heliax
Bob (or anyone),
Can you explain why 7/8 heliax isn't appropriate for 5Ghz?
Thanks for the posts.
Mario
Bob Moldashel wrote:
OK
for
in the first place!
Ralph
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Scott Reed
Sent: Friday, March 16, 2007 6:05 PM
To: WISPA General List
Subject: [WISPA] LMR600, LMR900, Heliax
Who supplies pre-terminated (N connectors) cables in the 70 to 150
paid so dearly per milliwatt for
in the first place!
Ralph
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Scott Reed
Sent: Friday, March 16, 2007 6:05 PM
To: WISPA General List
Subject: [WISPA] LMR600, LMR900, Heliax
Who supplies pre-terminated (N
on this mule
headed post :)
JohnnyO
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Ralph
Sent: Saturday, March 17, 2007 8:38 AM
To: 'WISPA General List'
Subject: RE: [WISPA] LMR600, LMR900, Heliax
You can buy them at Tessco, I'm pretty sure. Stick
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Ralph
Sent: Saturday, March 17, 2007 8:38 AM
To: 'WISPA General List'
Subject: RE: [WISPA] LMR600, LMR900, Heliax
You can buy them at Tessco, I'm pretty sure. Stick with Heliax (r)
type
cables (hard line
PROTECTED] On
Behalf Of Ralph
Sent: Saturday, March 17, 2007 8:38 AM
To: 'WISPA General List'
Subject: RE: [WISPA] LMR600, LMR900, Heliax
You can buy them at Tessco, I'm pretty sure. Stick with Heliax (r)
type
cables (hard line) for those distances, and use 1 5/8 minimum. The loss
is
amazing
OK.Lets talk cable
1. You can't use 1 1/4 or 1 5/8 heliax at 5 Ghz anything. Can't use
7/8 heliax there either. You canbut it won't work right
2. You can use 5/8 heliax at 5.8 Ghz and below.
3. LMR900 is the largest Times cable you can use at 5.8Ghz.
4. You can use 1 1/4
:[EMAIL PROTECTED] On
Behalf Of Scott Reed
Sent: Friday, March 16, 2007 6:05 PM
To: WISPA General List
Subject: [WISPA] LMR600, LMR900, Heliax
Who supplies pre-terminated (N connectors) cables in the 70 to 150'
range using LMR 600, LMR900 and/or Heliax? Looking to move radios to
the bottom
]
To: WISPA General List wireless@wispa.org
Sent: Saturday, March 17, 2007 5:15 PM
Subject: Re: [WISPA] LMR600, LMR900, Heliax
OK.Lets talk cable
1. You can't use 1 1/4 or 1 5/8 heliax at 5 Ghz anything. Can't use 7/8
heliax there either. You canbut it won't work right
2
good
job.
Let's just make sure we set the good example!
(wow- I feel like Patrick) grin
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of JohnnyO
Sent: Saturday, March 17, 2007 8:32 AM
To: 'WISPA General List'
Subject: RE: [WISPA] LMR600, LMR900
- Original Message -
From: JohnnyO [EMAIL PROTECTED]
To: 'WISPA General List' wireless@wispa.org
Sent: Saturday, March 17, 2007 8:31 AM
Subject: RE: [WISPA] LMR600, LMR900, Heliax
Jeez Ralph - your post is misleading to EVERYONE that is reading this.
Do you know what loss per 100ft
it B *cough cough* S
JohnnyO
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Ralph
Sent: Saturday, March 17, 2007 5:47 PM
To: 'WISPA General List'
Subject: RE: [WISPA] LMR600, LMR900, Heliax
If EVERYONE is misled, then EVERYONE needs a lesson in radio
to the fact that
he is doing unsafe construction methods on towers...
Regards,
JohnnyO
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Ralph
Sent: Saturday, March 17, 2007 5:47 PM
To: 'WISPA General List'
Subject: RE: [WISPA] LMR600, LMR900, Heliax
If EVERYONE
Sent: Saturday, March 17, 2007 3:04 PM
Subject: Re: [WISPA] LMR600, LMR900, Heliax
As for AMPs
If we put aside the fact that the AMP will result in a non-certified
system Shiren (allrfcables.com) makes a real cool AMP.
Its inexpensive, and tiny. Its got an outdoor Easy to mount inline
General List
Subject: Re: [WISPA] LMR600, LMR900, Heliax
Not all amps are illegal guys. Sheesh.
Yes they have to be included in the system certification and can't be mix
and matched like antennas.
But that doesn't make them illegal!
marlon
--
WISPA Wireless List: wireless@wispa.org
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From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Marlon K. Schafer
Sent: Saturday, March 17, 2007 5:46 PM
To: WISPA General List
Subject: Re: [WISPA] LMR600, LMR900, Heliax
Not all amps are illegal guys. Sheesh.
Yes they have to be included in the system certification and can't be mix
] [mailto:[EMAIL PROTECTED] On
Behalf Of JohnnyO
Sent: Saturday, March 17, 2007 8:32 AM
To: 'WISPA General List'
Subject: RE: [WISPA] LMR600, LMR900, Heliax
Importance: High
Jeez Ralph - your post is misleading to EVERYONE that is reading this.
--
WISPA Wireless List: wireless@wispa.org
feel like Patrick) grin
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of JohnnyO
Sent: Saturday, March 17, 2007 8:32 AM
To: 'WISPA General List'
Subject: RE: [WISPA] LMR600, LMR900, Heliax
Importance: High
Jeez Ralph - your post is misleading
General List wireless@wispa.org
Sent: Saturday, March 17, 2007 8:06 PM
Subject: Re: [WISPA] LMR600, LMR900, Heliax
Inline
Ralph wrote:
If EVERYONE is misled, then EVERYONE needs a lesson in radio- especially
you
Jonny-O. My BS as you call it comes from over 30 years in 2 way
: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of George Rogato
Sent: Saturday, March 17, 2007 11:56 AM
To: WISPA General List
Subject: Re: [WISPA] LMR600, LMR900, Heliax
What about 5 gig
Are you doing long runs and amps at 5gig?
Blair Davis wrote:
We use both methods, depending on how hard
Sorry I am not quoting inline- it was getting a bit cluttered.
Good points, Bob.
The brand new cell tower surplus isn't that readily available here. Oh I
see it... cut into 20 ft lengths at the recycling place. Saw some
elliptical waveguide there last week. Made me sick, but I couldn't have
I thought that there was some formula like that out there. Thanks for
posting it!!
marlon
- Original Message -
From: Eric Albert [EMAIL PROTECTED]
To: WISPA General List wireless@wispa.org
Sent: Saturday, March 17, 2007 8:10 PM
Subject: RE: [WISPA] LMR600, LMR900, Heliax
Dear list
Who supplies pre-terminated (N connectors) cables in the 70 to 150'
range using LMR 600, LMR900 and/or Heliax? Looking to move radios to
the bottom of towers.
--
Scott Reed
Owner
NewWays
Wireless Networking
Network Design, Installation and Administration
www.nwwnet.net
--
WISPA Wireless
Smart move!!!
When at all possible, we do that: active elements inside, inactive
antenna outside.
Design your grounding properly (NOT A MINOR ACHIEVEMENT!!!) and
you're set: EVERYTHING goes to 1 common ground, coax lightning kits
(outdoors) and in line lightning arrestors (indoors) go to
Yep, that is where I want head. Where do you get your cables?
Mario Pommier wrote:
Smart move!!!
When at all possible, we do that: active elements inside, inactive
antenna outside.
Design your grounding properly (NOT A MINOR ACHIEVEMENT!!!) and
you're set: EVERYTHING goes to 1 common
I'm sure you've already checked all the numbers, but even with LMR900 at
5.8ghz there can be a great deal of loss:
LMR-600 going 100ft at 5.8ghz = 8db of loss
LMR-900 going 100ft at 5.8ghz = 6db of loss
We have switched some of our backhaul links to this same setup (radio
inside, LMR-400
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