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Re: [IRCA] DKAZ and Flag data



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Thanks for running the simulations Chuck. Thanks for the formatting assist Nick. Thatâs great stuff!

Craig

Sent from my iPhone

> On Oct 25, 2018, at 3:26 PM, Chuck Hutton <charlesh3@xxxxxxx> wrote:
> 
> Bill -
> 
> 
> I'll try to get around to it shortly, even if I am sick of running the simulations.
> 
> 
> Chuck
> 
> 
> ________________________________
> From: IRCA <irca-bounces@xxxxxxxxxxxxxxxx> on behalf of bill [his.com] <bw@xxxxxxx>
> Sent: Thursday, October 25, 2018 1:43 PM
> To: Mailing list for the International Radio Club of America
> Subject: Re: [IRCA] DKAZ and Flag data
> 
> Thanks for running this Chuck and to Nick for making the results readable.
> 
> Iâll repeat a request I made a few days ago - any chance of adding a column for 1MHz?
> 
> My impression is that there is not a linear degradation in gain on the DKAZ but that it falls off more rapidly below 700 or 800 kHz.  Therefore Iâm betting a run at 1MHz would have similar values to that at 1.5MHz.
> 
> Bill Whitacre
> 
> ---
> 
>> On Oct 25, 2018, at 3:37 PM, Nick Hall-Patch <nhp@xxxxxxxx> wrote:
>> 
>> I've posted Chuck's tabulated results at
>> 
>> http://www3.telus.net/public/shallpat/4all/DKAZ_and_flag_size_comparisons.pdf
>> 
>> Hate to think of the work he has put into this going to waste because of the mail limitation.  It's good information, and this has been a really worthwhile discussion.
>> 
>> best wishes,
>> 
>> Nick
>> 
>> 
>> 
>> At 18:40 2018-10-25, Chuck Hutton wrote:
>>> Here's an updated data set on the DKAZ and Corner Fed Loop.
>>> 
>>> 
>>> DKAZ
>>> LENGTH  .5 MHZ GAIN     1.5 MHZ GAIN    .5 MHZ F/B
>>> AND TERM        1.5 MHZ F/B
>>> AND TERM        RDF .5 MHZ      RDF 1.5 MHZ     3 DB WIDTH
>>> (.5 and 1.5 MHZ)       6 DB WIDTH
>>> (.5 and 1.5 MHZ)
>>> 100     -61.1   -34.6   35.1 (1150)     47.3 (1100)     8.9     7.9     99 / 101        140 / 150
>>> 120     -58     -31.8   42      32.5
>>> 140     -55.4   -29.5   37.4    30.7
>>> 160     -53.2   -27.5   39.4 (1000)     26.5 (1100)     8.7     7       97 / 102        140 / 140
>>> 180     -51.2   -26.8   44.8    22.2
>>> 200     -49.5   -24.2   45.2 (1500)     19.1 (1500)     8.6     11.23   96 / 106        140 / 150
>>> CORNER FED LOOP
>>> 18 x 18 -52.5   -34.1   46.5 (1000)     43.7 (1025 or 1050)     8.5     8.7     150 /  151      190 / 200
>>> 18 x 36 -47     -28.7   36.6 (1150)     30.4 (1150)
>>> 25 x 50 -42.4   -24.2   35.8 (1175)     27.6(1225)      7.7     7.7     146 / 150       200 / 200
>>> 
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>> 
>> Nick Hall-Patch
>> Victoria, BC
>> Canada
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> 
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