Re: [AFMUG] TVWS feasibility

2020-06-23 Thread Bill Prince
F On Behalf Of ch...@wbmfg.com Sent: Tuesday, June 23, 2020 10:46 AM To: 'AnimalFarm Microwave Users Group' Subject: Re: [AFMUG] TVWS feasibility I calculated it once.  Always good to go up in frequency if antenna gain and path loss are the only considerations. If you increase the

Re: [AFMUG] TVWS feasibility

2020-06-23 Thread Ken Hohhof
Sent: Tuesday, June 23, 2020 1:33 PM To: af@af.afmug.com Subject: Re: [AFMUG] TVWS feasibility In this case you could call it a law because it's nothing more than a formally stated observation. A theory tries to explain why things happen, a law is just stating what happens. One isn't be

Re: [AFMUG] TVWS feasibility

2020-06-23 Thread Adam Moffett
-boun...@af.afmug.com] On Behalf Of Matt Hoppes Sent: Wednesday, June 17, 2020 9:03 AM To: AnimalFarm Microwave Users Group Subject: Re: [AFMUG] TVWS feasibility Using redline gear I get 40 meg completely non line of site through about 3/4 of a forest. But yeah. It all sucks. I have three links depl

Re: [AFMUG] TVWS feasibility

2020-06-23 Thread Adam Moffett
--Original Message- From: AF On Behalf Of ch...@wbmfg.com Sent: Tuesday, June 23, 2020 10:46 AM To: 'AnimalFarm Microwave Users Group' Subject: Re: [AFMUG] TVWS feasibility I calculated it once. Always good to go up in frequency if antenna gain and path loss are the only considerations

Re: [AFMUG] TVWS feasibility

2020-06-23 Thread Brian Webster
an Webster www.wirelessmapping.com -Original Message- From: AF [mailto:af-boun...@af.afmug.com] On Behalf Of Mark Radabaugh Sent: Tuesday, June 23, 2020 11:18 AM To: AnimalFarm Microwave Users Group Subject: Re: [AFMUG] TVWS feasibility Yes - an open area will give you a stronger signal.

Re: [AFMUG] TVWS feasibility

2020-06-23 Thread Bill Prince
To: 'AnimalFarm Microwave Users Group' Subject: Re: [AFMUG] TVWS feasibility Lower frequencies do have lower free space loss, but for the same size antenna you have less antenna gain.  And with 2 antennas (xmt and rcv), antenna gain wins.  All else being equal, higher frequency usual

Re: [AFMUG] TVWS feasibility

2020-06-23 Thread D. Bernardi
That makes sense. Thank you. At 11:17 AM 6/23/2020, you wrote: Yes - an open area will give you a stronger signal. As long as a radio signal is above the detection threshold (the signal is strong enough for the radio to detect) and the SNR is high enough to support the modulation it will p

Re: [AFMUG] TVWS feasibility

2020-06-23 Thread D. Bernardi
23, 2020 9:21 AM To: 'AnimalFarm Microwave Users Group' Subject: Re: [AFMUG] TVWS feasibility Lower frequencies do have lower free space loss, but for the same size antenna you have less antenna gain. And with 2 antennas (xmt and rcv), antenna gain wins. All else being equal, higher fr

Re: [AFMUG] TVWS feasibility

2020-06-23 Thread Ken Hohhof
---Original Message- From: AF On Behalf Of ch...@wbmfg.com Sent: Tuesday, June 23, 2020 10:46 AM To: 'AnimalFarm Microwave Users Group' Subject: Re: [AFMUG] TVWS feasibility I calculated it once. Always good to go up in frequency if antenna gain and path loss are the only considerations.

Re: [AFMUG] TVWS feasibility

2020-06-23 Thread chuck
. -Original Message- From: Ken Hohhof Sent: Tuesday, June 23, 2020 9:21 AM To: 'AnimalFarm Microwave Users Group' Subject: Re: [AFMUG] TVWS feasibility Lower frequencies do have lower free space loss, but for the same size antenna you have less antenna gain. And with 2 antennas (x

Re: [AFMUG] TVWS feasibility

2020-06-23 Thread Ken Hohhof
system too. -Original Message- From: AF On Behalf Of D. Bernardi Sent: Tuesday, June 23, 2020 10:09 AM To: AnimalFarm Microwave Users Group Subject: Re: [AFMUG] TVWS feasibility Clearly RF isn't my specialty... Instead of SNR I guess I really meant noise. If the noise floor is equal wo

Re: [AFMUG] TVWS feasibility

2020-06-23 Thread Mark Radabaugh
Yes - an open area will give you a stronger signal. As long as a radio signal is above the detection threshold (the signal is strong enough for the radio to detect) and the SNR is high enough to support the modulation it will perform to specification (assuming the manufacturer provided accu

Re: [AFMUG] TVWS feasibility

2020-06-23 Thread D. Bernardi
Clearly RF isn't my specialty... Instead of SNR I guess I really meant noise. If the noise floor is equal wouldn't there be less attenuation of the signal in an open environment (resulting in a better SNR)? At 10:41 AM 6/23/2020, you wrote: > On Jun 23, 2020, at 10:32 AM, D. Bernardi w

Re: [AFMUG] TVWS feasibility

2020-06-23 Thread Mark Radabaugh
> On Jun 23, 2020, at 10:32 AM, D. Bernardi wrote: > > > > I was thinking more in terms of foliage or other object density, or > mountains/hills, to help estimate range. Wouldn't TVWS still have better > performance in an open area compared to dense forest given equal SNR? > If SNR is id

Re: [AFMUG] TVWS feasibility

2020-06-23 Thread D. Bernardi
of thumb for CPE, antenna and labor usually comes in between $800-$1000. There is just not enough production runs from any manufacturer to get the price point lower. >> >> >> >> Thank you, >> Brian Webster >> www.wirelessmapping.com >> >> From

Re: [AFMUG] TVWS feasibility

2020-06-23 Thread Mark Radabaugh
production runs from any manufacturer to get the price point lower. >> >> >> >> Thank you, >> Brian Webster >> www.wirelessmapping.com >> >> From: AF [mailto:af-boun...@af.afmug.com] On Behalf Of Matt Hoppes >> Sent: Wednesday, June 17, 2

Re: [AFMUG] TVWS feasibility

2020-06-23 Thread D. Bernardi
[mailto:af-boun...@af.afmug.com] On Behalf Of Matt Hoppes Sent: Wednesday, June 17, 2020 9:03 AM To: AnimalFarm Microwave Users Group Subject: Re: [AFMUG] TVWS feasibility Using redline gear I get 40 meg completely non line of site through about 3/4 of a forest. But yeah. It all sucks. I h

Re: [AFMUG] TVWS feasibility

2020-06-17 Thread Ken Hohhof
Users Group' Subject: Re: [AFMUG] TVWS feasibility Spectrum is always going to be a challenge in TVWS. The recent FCC TV channel auction/repack has eliminated some of the channels so now there is less. Some manufacturers are doing channel bonding to improve performance and throughpu

Re: [AFMUG] TVWS feasibility

2020-06-17 Thread Brian Webster
Hoppes Sent: Wednesday, June 17, 2020 9:03 AM To: AnimalFarm Microwave Users Group Subject: Re: [AFMUG] TVWS feasibility Using redline gear I get 40 meg completely non line of site through about 3/4 of a forest. But yeah. It all sucks. I have three links deployed. They serve

Re: [AFMUG] TVWS feasibility

2020-06-17 Thread Matt Hoppes
Using redline gear I get 40 meg completely non line of site through about 3/4 of a forest. But yeah. It all sucks. I have three links deployed. They serve specific purposes. Nothing I would do on a grand scale. > On Jun 17, 2020, at 8:47 AM, Eric Nielsen wrote: > >  > Comsearch offers T

Re: [AFMUG] TVWS feasibility

2020-06-17 Thread Eric Nielsen
Comsearch offers TVWS maps that show channel availability. If there's a specific area that's of particular interest to you, try reaching out to them to see if they could give you an idea of encumbrances. On Tue, Jun 16, 2020 at 2:01 PM D. Bernardi wrote: > > Howdy folks, > > I'm looking into sol

Re: [AFMUG] TVWS feasibility

2020-06-17 Thread D. Bernardi
g.com wrote: Does Carlson still make it? From: Adam Moffett Sent: Tuesday, June 16, 2020 1:27 PM To: <mailto:af@af.afmug.com>af@af.afmug.com Subject: Re: [AFMUG] TVWS feasibility So that's a fair point, but who has tried TVWS recently? All I hear is the rules suck, the database sucks, the

Re: [AFMUG] TVWS feasibility

2020-06-16 Thread Mark Radabaugh
lt;mailto:af@af.afmug.com> > Subject: Re: [AFMUG] TVWS feasibility > > So that's a fair point, but who has tried TVWS recently? > > All I hear is the rules suck, the database sucks, the equipment sucks, and > it's expensive. If someone has anything positive to s

Re: [AFMUG] TVWS feasibility

2020-06-16 Thread Mark - Myakka Technologies
Title: Re: [AFMUG] TVWS feasibility Chuck, Don't get me started on that one.  Lost about $5k on that experiment. -- Best regards, Mark                            mailto:m...@mailmt.com Myakka Technologies, Inc. www.Myakka.com -- Tuesday, June 16, 2020, 3:38:10 PM, you wrote:

Re: [AFMUG] TVWS feasibility

2020-06-16 Thread Jeff Broadwick - Lists
meters or smartgrid and you're > screwed. If they haven't already. > > -Original Message- > From: AF On Behalf Of Jeff Broadwick - Lists > Sent: Tuesday, June 16, 2020 1:40 PM > To: AnimalFarm Microwave Users Group > Subject: Re: [AFMUG] TVWS feasibility >

Re: [AFMUG] TVWS feasibility

2020-06-16 Thread Jeff Broadwick - Lists
I have some hope for Radwin’s new gear. Jeff Broadwick CTIconnect 312-205-2519 Office 574-220-7826 Cell jbroadw...@cticonnect.com > On Jun 16, 2020, at 3:28 PM, Adam Moffett wrote: > >  > So that's a fair point, but who has tried TVWS recently? > > > > All I hear is the rules suck, the data

Re: [AFMUG] TVWS feasibility

2020-06-16 Thread chuck
Does Carlson still make it? From: Adam Moffett Sent: Tuesday, June 16, 2020 1:27 PM To: af@af.afmug.com Subject: Re: [AFMUG] TVWS feasibility So that's a fair point, but who has tried TVWS recently? All I hear is the rules suck, the database sucks, the equipment sucks, and it's

Re: [AFMUG] TVWS feasibility

2020-06-16 Thread Adam Moffett
So that's a fair point, but who has tried TVWS recently? All I hear is the rules suck, the database sucks, the equipment sucks, and it's expensive.  If someone has anything positive to say I'd love to hear it, but I haven't yet. On 6/16/2020 2:04 PM, Mike Hammett wrote: Make sure that you

Re: [AFMUG] TVWS feasibility

2020-06-16 Thread SmarterBroadband
Radwin are supposed to have a new TVWS product in Beta testing. -Original Message- From: AF [mailto:af-boun...@af.afmug.com] On Behalf Of D. Bernardi Sent: Tuesday, June 16, 2020 11:01 AM To: af@af.afmug.com Subject: [AFMUG] TVWS feasibility Howdy folks, I'm looking into solutions to de

Re: [AFMUG] TVWS feasibility

2020-06-16 Thread Ken Hohhof
And then the power company deploys smartmeters or smartgrid and you're screwed. If they haven't already. -Original Message- From: AF On Behalf Of Jeff Broadwick - Lists Sent: Tuesday, June 16, 2020 1:40 PM To: AnimalFarm Microwave Users Group Subject: Re: [AFMUG] TVWS feasib

Re: [AFMUG] TVWS feasibility

2020-06-16 Thread Jeff Broadwick - Lists
I’d stay away from it until they fix the database. It’s notoriously inaccurate. Cambium 450 900 will give you good speeds if the noise floor is anything approaching decent. Jeff Broadwick CTIconnect 312-205-2519 Office 574-220-7826 Cell jbroadw...@cticonnect.com > On Jun 16, 2020, at 2:22 P

Re: [AFMUG] TVWS feasibility

2020-06-16 Thread chuck
I would study the crap out of it using this new lidar tool. Even with RM you can do two overlapping polar heat maps. Where it turns black that is a repeater site. A solar powered repeater at the mid point may be no more cost and work a heck of a lot better than any NLOS product. -Origin

Re: [AFMUG] TVWS feasibility

2020-06-16 Thread Seth Mattinen
On 6/16/20 11:22, D. Bernardi wrote: I'm considering building an analyzer to get some basic spectral use. Given the rural nature I assume spectrum could be fairly clean but yes, cellular operators gobbling up spectrum is a concern. That's determined by the TVWS database. There used to be

Re: [AFMUG] TVWS feasibility

2020-06-16 Thread D. Bernardi
I'm considering building an analyzer to get some basic spectral use. Given the rural nature I assume spectrum could be fairly clean but yes, cellular operators gobbling up spectrum is a concern. At 02:13 PM 6/16/2020, you wrote: Don't hold your breath. The availability of TVWS spectrum

Re: [AFMUG] TVWS feasibility

2020-06-16 Thread D. Bernardi
Good point. I'm definitely just interested in most recent technology and/or deployments. At 02:04 PM 6/16/2020, you wrote: Make sure that you only heed technical experience from modern, recent platforms. Someone that tried gen 1 year 8 years ago may have had a valid experience, but that e

Re: [AFMUG] TVWS feasibility

2020-06-16 Thread Bill Prince
Don't hold your breath. The availability of TVWS spectrum varies (a lot) by region, and many areas do not have enough usable spectrum available to make it anything more than a curiosity. Add to the fact, that they keep "chipping away" at the spectrum and selling it off to the big cellular opera

Re: [AFMUG] TVWS feasibility

2020-06-16 Thread Mike Hammett
Make sure that you only heed technical experience from modern, recent platforms. Someone that tried gen 1 year 8 years ago may have had a valid experience, but that experience is no longer relevant... unless it's more about the company than the product. - Mike Hammett Intelligent Comp