Because I enjoy playing around with radio coverage mapping tools and want to have the closest representation of reality? I'm in an exceptionally non-optimal area for PSDR, so I want to have as much information as I can about required mast height and link budget for each site before I go actually installing anything. On Thu, Mar 16, 2023, at 15:45, Stephen Kangas wrote:
Nick, I'm not certain why precision matters here. My experience working with Bart & Doug assisting them putting up the Rattlesnake Mtn sector is that they may deviate from the exact bearing only to provide better coverage to the area below, avoiding obstacles and focusing on the user community. We're not talking really narrow beams here. You should be able to expect that if there is a sector antenna pointed to your area that it is optimized for your chances of connection regardless of how precise the sector antennas matches 0deg N bearing offsets.
FWIW, Stephen W9SK
-----Original Message----- From: PSDR <psdr-bounces@hamwan.org> On Behalf Of Carl Leon Sent: Thursday, March 16, 2023 3:16 PM To: 'Puget Sound Data Ring' <psdr@hamwan.org> Subject: Re: [HamWAN PSDR] Site details?
Those are the standard. I think there is one single sector site where that varies, but am not certain. Carl, N7KUW
-----Original Message----- From: PSDR <psdr-bounces@hamwan.org> On Behalf Of Nick Kartsioukas Sent: Thursday, March 16, 2023 9:51 AM To: psdr@hamwan.org Subject: Re: [HamWAN PSDR] Site details?
Sorry, I phrased that part poorly. Are all sectors aligned at 0/120/240 when present, or do they deviate from those bearings?
On Thu, Mar 16, 2023, at 08:26, Doug Kingston wrote:
Not all the cell sites have every sector. If a cell site is on the side of a hill or has a large obstruction immediately adjacent, we omit the sector facing into the obstruction as it would not serve any useful purpose. We have tried to depict the available sector in the map on the website, but you may need to zoom in to see that detail. If you have questions about particular sites, Feel free to contact me directly (dpk@randomnotes.org) or mail the netops@ list or ask on our IRC channel.
-Doug-
On Wed, Mar 15, 2023 at 9:15 PM Nick Kartsioukas <nick@explodinglemur.org> wrote:
I've been able to find location info for most of the PSDR sites and antenna height info for some of them. Do they all have sectors pointing 0/120/240 degrees relative to north? Is there anywhere that has EIRP info? I'm trying to see how tall a mast I need to get connected, and whether or not I can even make link for some of the sites. For example it looks like I "only" need a 35' mast for Baldi, but at 28mi away I'm not sure I can get connected reliably, vs Beacon or Capitol Park which are much closer but I'd need at least a 66' mast thanks to local terrain and trees. At the moment I'm using https://ispdesign.ui.com/ (which now has LIDAR data for buildings/trees!) and have also used RadioMobile Deluxe in the past.
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