[HamWAN PSDR] Portland antenna range help?

Herb Weiner herbw at wiskit.com
Mon Dec 31 06:49:27 PST 2018


Eddie, Darcy, and Steve, thank you for your replies.

Herb

> On Dec 31, 2018, at 4:00 AM, Steve - WA7PTM <psdr-list at aberle.net> wrote:
> 
> Attached are two elevation plots.
> 
> • 47th and Hawthorne
> The high ground blockage for this path is only 1/2 mile away (in the area of 54th and Belmont).
> 
> • 45th and Main (the "best case" direction)
> This looks marginal based on ground terrain, and trees may be a problem getting a straight shot.
> 
> BawFaw Peak, at 73 miles with a sector antenna pointing away from Portland isn't an option.
> 
> Steve
> 
> 
> Ted Timmons wrote on 12/30/18 8:15 PM:
>> er, forgot the heywhatsthat screenshot.
>> On Sun, Dec 30, 2018 at 8:14 PM Ted Timmons <ted at perljam.net> wrote:
>>> 
>>> Thanks Ed and Steve- and Herb offlist. I have to use a protected
>>> address for mail so that isn't my QTH. I'm within a few blocks of 4700
>>> SE Hawthorne, which (on hamwan.org) shows as being on the fringe of
>>> line-of-sight, hence the need for an onsite test. (see screenshot
>>> below). I've also mapped it on heywhatsthat (thanks Ed!), which is
>>> promising.
>>> 
>>> I just don't think we can know for sure without testing it.
>>> 
>>> Herb- elevation of BawFaw is listed on the Oregon page:
>>> http://www.oregonhamwan.com/cell-site-hardware/
>>> 
>>> On Sun, Dec 30, 2018 at 7:23 PM Steve - WA7PTM <psdr-list at aberle.net> wrote:
>>>> 
>>>> Is your station location somewhere other than on your license?
>>>> 
>>>> Assuming you can get an antenna on the roof, the terrain looks like a
>>>> straight shot (using CalTopo), but what it doesn't show are the heights
>>>> of surrounding buildings.
>>>> 
>>>> Steve
>>>> 
>>>> 
>>>> Ted Timmons wrote on 12/30/18 5:22 PM:
>>>>> Hey, is there anyone that is available to check reception at my house,
>>>>> or is there a way I can do it with simple equipment? I'm at risk of
>>>>> being in the shadow of Mt. Tabor.
>>>>> _______________________________________________
>>>>> PSDR mailing list
>>>>> PSDR at hamwan.org
>>>>> http://mail.hamwan.net/mailman/listinfo/psdr
>>>>> 
> <47th+Hawthorne-to-Larch-Mtn.png><45th+Main-to-Larch-Mtn.png>_______________________________________________
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