[SBE-89-Alaska] [EXTERNAL] Re: HARRP

[Stephen Lockwood]

There are none!

Stephen S. Lockwood, P.E., PMP, President
Hatfield & Dawson Consulting Engineers
9500 Greenwood Ave N, Seattle, WA 98103
Phone 206 783 9151 ext 562 - Mobile 206 399 9440 -www.hatdaw.com

On 7/30/2024 1:04 PM, Charles Sather wrote:
>
> Did you get a count of ferrites for Jeff?
>
> *Charles Sather**
> *Chief Operating Officer,Koahnic Broadcast Corporation
> P. 907-793-3535 | koahnicbroadcast.org
> Support KBC and its programs through Pick.Click.Give
>
> *From:*SBE-89-alaska <sbe-89-alaska-bounces at sea.sbe16.org> *On Behalf 
> Of *Pearson, Ron via SBE-89-alaska
> *Sent:* Tuesday, July 30, 2024 10:30 AM
> *To:* Stephen Lockwood <lockwood at hatdaw.com>; SBE-89-Alaska 
> <sbe-89-alaska at sea.sbe16.org>
> *Subject:* Re: [SBE-89-Alaska] [EXTERNAL] Re: HARRP
>
> Very cool thank you for the cliffs notes
>
> *From:*Stephen Lockwood <lockwood at hatdaw.com>
> *Sent:* Tuesday, July 30, 2024 10:20 AM
> *To:* Pearson, Ron <RonPearson at iheartmedia.com>; SBE-89-Alaska 
> <sbe-89-alaska at sea.sbe16.org>
> *Subject:* Re: [EXTERNAL] Re: [SBE-89-Alaska] HARRP
>
> They did.   They use NEC4 (if I remember correctly).  It is just 
> classic array physics - just big at these frequencies.  The physics is 
> the same for the nifty flat panel radar arrays or curtain dipole 
> arrays like we use in HF broadcasting.  They just have some very cool 
> software to change the transmitter exciters to provide beam steering, 
> circular polarization, and lots of other cool stuff.  Each dipole has 
> its own transmitter.  180 cross dipoles with 360 10 kW transmitters.
>
> Stephen S. Lockwood, P.E., PMP, President
> Hatfield & Dawson Consulting Engineers
> 9500 Greenwood Ave N, Seattle, WA 98103
> Phone 206 783 9151 ext 562 - Mobile 206 399 9440 -www.hatdaw.com  <https://urldefense.com/v3/__http:/www.hatdaw.com/__;!!Fhnm7mQ!YevFlM_ZEfDefuiwzTJkzkf3AD_m2gz3bNuRV1vBloyNl5i_dk3lqxRT4g9XVBQQvAF9JlCoiH0A9Sxn42qDMt_OlQ$>
>
> On 7/30/2024 9:44 AM, Pearson, Ron wrote:
>
>     Hello Stephen,
>
>     Was it awesome, did they go over finite element (MOM) models and
>     programming on how the array was built and modeled and the
>     conceptual motivation for the design?
>
>     Thank you 😊
>
>     Ron
>
>     *From:*SBE-89-alaska <sbe-89-alaska-bounces at sea.sbe16.org>
>     <mailto:sbe-89-alaska-bounces at sea.sbe16.org> *On Behalf Of
>     *Stephen Lockwood via SBE-89-alaska
>     *Sent:* Wednesday, July 24, 2024 7:11 AM
>     *To:* Pierre Lonewolf <lonewolf at otz.net>
>     <mailto:lonewolf at otz.net>; SBE Chapter 89 Alaska
>     <sbe-89-alaska at sea.sbe16.org> <mailto:sbe-89-alaska at sea.sbe16.org>
>     *Subject:* [EXTERNAL] Re: [SBE-89-Alaska] HARRP
>
>     Did you find a ride?
>
>     Stephen Lockwood
>
>     On Jul 21, 2024, at 19:41, Pierre Lonewolf via SBE-89-alaska
>     <sbe-89-alaska at sea.sbe16.org> wrote:
>
>         Is anyone from Anchorage driving to the HARRP tour? I finally looked at the map and why am I going to Fairbanks!?
>
>         Pierre Lonewolf
>
>         PO Box 983
>
>         393B Whittier Street
>
>         Kotzebue, Alaska 99753-0983
>
>         19074120859 cell
>
>         19074423603 fax
>
>         Lonewolf at otz.net
>
>         Plonewolf55 at gmail.com
>
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