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Loop antenna question  View Printable Version 
Tuesday, September 18 2018

IRCA
Beta testing would be great. Right now what I am actually looing for is a
smaller loop - the 30 inch hula hoop that I have and am working with. I
need some input on the number of turns of wire - size of the wire - etc.

From the loop I want to feed the loop directly to the shack with RG8-X. Any
tuning cap would need to be inside. I wasn't looking for an amplified loop
but that would be a big plus.

What I have now is the Hula Hoop wound with 8 conductor flat ribbon cable
closely spaced up 1/4 of the way up one side of the loop, then wide spaced
(the width of the cable spaced between each turn) across the top of the
loop, and then closely spaced the last quarter of the loop. The conductors
in the cable are reversed so that on the one end (cable end 1 for example)
wire number is not terminated. On cable end 2 wire number 8 is not
terminated. Then cable number one the number 2 wire in the cable goes to
wire 7 in cable number two. Wire 3 in cable end one goes to wire number 6
in cable number 2, etc., each one in series with the other. In the end the
actual length of the loop is actually 8 times the length of the cable that
was to make it. One of the free wire2 goes to the center conductor on a
piece of RG8-X that feeds my receiver, the other free wire from the loop
goes to ground.

Inside the shack I am able to receive stations 30 to 40 miles away on my
IC-7410 with no pre-amp inserted and getting an S8 reading on the strongest
one. Just holding the loop and turning it by hand does not produce a
noticeable null. I am suspecting a few things need to be done. I may need
to add capacitance to the end of the loop to tune it more (this has to be
done in the shack at the end of the feed line) and I may need more or less
windings on the actual loop. Not sure at all why am not getting any nulls.

Larry K8YYY

For the Lord is the Spirit, and wherever the Spirit of the Lord is, there is
freedom.
2 Cor. 3:17

---
This email has been checked for viruses by AVG.
https://www.avg.com

 

TP 18 Sep Victoria version Headlines.  View Printable Version 
Tuesday, September 18 2018

IRCA
Similar to yesterday - full details and video later this morning.

New stuff: 1570 KUAU Maui, Hawaii full ID after news at 1330 UTC (thank you Nigel for the tip...)

4BC 1116 KHz Brisbane - EE sports talk at armchair levels. 1336 UTC.

Colin Newell - Victoria - B.C. CANADA -
Drake R8 - West Flag.

>

 

TP 18 Sep Victoria Video Highlights  View Printable Version 
Tuesday, September 18 2018

IRCA
https://youtu.be/OHhoib3scb4

- A new Hawaiian

and an English speaking mystery on 945 Khz at 2:24 in the VIDEO CLIP...

Plus the usual suspects...

Enjoy!


> *Drake R8 - West Flag - WELLBROOK FLG100 Head Amp - VACTROL variable
> antenna termination.*
>


--
Colin Newell - Editor and creator *of *Coffeecrew.com
<http://www.Coffeecrew.com> and DXer.ca <http://www.DXer.ca> -
VA7WWV | Twitter @CoffeeCrew | Victoria - Canada

 

TP 17 Sep Victoria version.  View Printable Version 
Tuesday, September 18 2018

IRCA
Another "throw in the towel" morning. I agree somewhat with Bruce and Nigel that it wasn't as good as yesterday, signals were more erratic, yet there was still a ton of audio, with many channels showing two or more, but weak, and thrashed by splatter.


pretty darn good audio (all of it understandable by a native speaker, at least briefly):

594 JOAK man in Japanese 1307UT, and many other times

774 JOUB Chinese lessons 1305UT

828 JOBB...English lessons 1258UT

954 JOKR man in Japanese peaking at 1326UT

972 HLCA man and woman in Korean 1315UT

1566 HLAZ man in Japanese1302UT

Reasonable audio at times during the period (much of it understandable by a native speaker, though often battling w/splash or noise):

693 JOAB English lessons //8281258UT

747 JOIB Chinese lessons 1322UT

873 JOGB Chinese lessons 1322UT

1053 man in Japanese, rather excited, sports? 1257UT


not so reasonable audio, occasional words or phrases in splash or noise could be understood by a native speaker:

603 HLSA soft music //558 1338UT

612 4QR woman mentioning "ABC radio " 1337UT

666 JOBK man and woman talking //594

891 JOHK man talking //594 1337UT

963 CRI woman in Russian 1324UT

981 CNR1 two men in Chinese 1318UT, //945 1320UT

1134 KBS man in Korean 1309UT

1323 CRI ....woman in Russian 1302UT


Burbles in the splatter and noise (if lucky, language might be guessed at by cadence of talk, or parallel established by changes in talk or music)

531 JOQG man talking //666 1304-6UT

558 HLQH 1338UT soft music //603

603 1309UT instrumental music, with island tonality; not //558; Waatea?

702 NHK2 Chinese lessons //774 1321UT

711 man talking, Korean? 1333UT

729 JOCK musical interlude, man talking //594 1324UT

738 Taiwan Fisheries man talking after musical interlude //1143 1327UT

756 CNR1 man mumbling //945 1313UT

756 man and woman talking DU English intonation 1330UT

846 woman talking, Chinese intonation 1333UT

864 pop vocal 1320UT; Japan?

909 soft music , not //NHK2 1341UT, NZ likely

909 JOCB woman talking //774 1307UT

945 CNR1 two men talking //981 1320UT

1017 woman talking, maybe island language? 1319UT

1143 Taiwan Fisheries man talking, //738 1327UT

1179 man talking Japanese intonation 1257UT

1206 woman talking, maybe Korean, into vocal music 1257UT; about 40Hz low, so likely Yanbian

1242 woman talking Japanese intonation 1314UT, likely JOLF?

1287 man and woman talking, Japanese intonation 1313UT

1296 JOTK man and woman talking, very weak, but //594 1327UT

1422 woman talking Japanese intonation

1593 man talking, Chinese intonation 1316UT


Strongish het, no or "near imaginary" audio (either undermodulated or ravaged by splatter)

639 657 675 846 855 918 936 999 1008 1035 1089 1107 1215 1251 1269 1314 1332 1503 1575 seemed to be Asian;
558 576 585 1098 seemed to be DU

best wishes,

Nick


Nick Hall-Patch
Victoria, BC
Canada

 

TP 18 Sep Victoria version Headlines.  View Printable Version 
Tuesday, September 18 2018

IRCA
I've looked for them before, but it sounds like I should check some
recordings from last fall, especially those couple where there was some
audio from high band Aussies here.

How long have they been 15 kW? 73 KAZ Barrington IL

On Tue, Sep 18, 2018 at 11:52 AM, Bruce Portzer <bportzer@comcast.net>
wrote:

> KUAU is likely the best chance for Hawaii to be heard in the upper
> midwest on a loop or Beverage. It's consistently among the strongest
> Hawaiians and the first to fade in during our coastal DXpeditions. There's
> aren't many interference sources between the Great Lakes and the Pacific
> Ocean - the Canadians are long gone, XERF is off to the side, and the few
> US stations *should* be on low power. It's at least worth checking the
> channel when conditions look promising.
>
> Bruce
>
>
> On 9/18/2018 08:18, R. Colin Newell wrote:
>
>> Similar to yesterday - full details and video later this morning.
>>
>> New stuff: 1570 KUAU Maui, Hawaii full ID after news at 1330 UTC (thank
>> you Nigel for the tip...)
>>
>> 4BC 1116 KHz Brisbane - EE sports talk at armchair levels. 1336 UTC.
>>
>> Colin Newell - Victoria - B.C. CANADA -
>> Drake R8 - West Flag.
>>
>> _______________________________________________
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>>
>> Opinions expressed in messages on this mailing list are those of the
>> original contributors and do not necessarily reflect the opinion of the
>> IRCA, its editors, publishing staff, or officers
>>
>> For more information: http://www.ircaonline.org
>>
>> To Post a message: irca@hard-core-dx.com
>>
>>
>>
> _______________________________________________
> IRCA mailing list
> IRCA@hard-core-dx.com
> http://montreal.kotalampi.com/mailman/listinfo/irca
>
> Opinions expressed in messages on this mailing list are those of the
> original contributors and do not necessarily reflect the opinion of the
> IRCA, its editors, publishing staff, or officers
>
> For more information: http://www.ircaonline.org
>
> To Post a message: irca@hard-core-dx.com
>
>

 

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