Messages

3766

Equipment / Re: Loop On Ground

« on: May 27, 2017, 1520 UTC »

"I would guess if it's buried it needs to have a waterproof dielectric?"
Yes, so foamed dielectric is a poor choice for this use.

http://www.rexresearch.com/rogers/1rogers.htm
http://www.dtic.mil/dtic/tr/fulltext/u2/783274.pdf
http://ke7hr.com/caveradio/80meterhfunderground.pdf
http://www.antentop.org/016/files/underground_016.pdf

As to loops over Beverages and etc, I was thinking more along the lines of a rhombic but am not sure how the directivity will approximate that of a full size rhombic - wich is the goal.

If you're interested in antennae and radio at all you need to read this at least once;
Interviewees:
Dr. Harold H. Beverage and H.O. Peterson Interviewer:
Norval Dwyer
Dates: July 1, 1968 and July 1973
http://www.hard-core-dx.com/nordicdx/antenna/wire/beverage/interview1.html

3767

Other / Re: Unknown, IDed as probably Arecibo, 5125 kHz, May 21, 22, and 23, 2017.

« on: May 27, 2017, 1504 UTC »

Lol thanks for the info, I assume they can get a lot more power out of them in burst mode?













"Hang on, gonna turn the dish towards your qth"

3768

Equipment / Loop On Ground

« on: May 26, 2017, 1859 UTC »

Just ran across this page that describes a small loop on the ground for hf reception;
http://www.kk5jy.net/LoG/

I have plans for workable hf underground antennas (apropos for this website) as the results from emp testing and have considered building same, but this antenna lying directly on the surface would be a lot easier to pull off; for the underground types one must remove the outer shield from coax and use the center conductor and dielectric for the antennae as well as burying the antenna - much more work than I want to do.

3769

Other / Re: Unknown, IDed as probably Arecibo, 5125 kHz, May 21, 22, and 23, 2017.

« on: May 26, 2017, 1638 UTC »

Wonder what the gain is on hf for that thing.

3770

Utility / Re: VMC 5100 FAX 1017 UTC 22 May 2017

« on: May 26, 2017, 1635 UTC »

This is your fax without a locked output fractional resampler;
https://postimg.org/image/r2ip7e2th/

This is your fax with a locked output fractional resampler;
https://postimg.org/image/wtwj4ark3/

3771

Bacon, BBQ, Beef, And More / Re: Great recipe source!

« on: May 25, 2017, 1605 UTC »

"It's like a koala crapped a rainbow in my brain!"

3772

Huh? / Re: A real "Inconvenient Truth"

« on: May 25, 2017, 1603 UTC »

Those paragons of human dignity and freedom, the saudis, recently complained that their media was letting the public define or drive the narrative instead of the media defining the narrative, wich every regime desires.
Anyway I think we all know what the others think and no one is going to be changing anyones mind on the matter so yeah.

3773

Equipment / Re: Active Hula Hoop Loop Antenna

« on: May 25, 2017, 1556 UTC »

Indeed and thanks Oliver.

3774

Other / Re: Dasher 5170 USB 03:27 UTC 26 April 2017

« on: May 25, 2017, 1554 UTC »

You know it's link11 when you hear "dink dink dink brrrrrrrrrrrrrrr dink dink dink".

3775

Other / Re: Unknown, possible HAARP, 5125 kHz, May 21, 22, and 23, 2017.

« on: May 25, 2017, 1552 UTC »

They may be txing on two or more freqs at the same time, mixing them them down to vlf and even uhf in the gelatinous idunnosphere.

3776

10/11 meters / Re: 11m activity

« on: May 25, 2017, 1545 UTC »

Since it's summer up here in the USA it's winter for those in the southern hemisphere, so expect skip from south America and Australia way when it does roll in.

3777

Equipment / Re: Active Hula Hoop Loop Antenna

« on: May 24, 2017, 1854 UTC »

Oliver, what amp are you employing with the loop if you don't mind saying. Been looking for simple yet high dynamic range amp designs for such loops.

3778

VHF/UHF Logs, including satellites and radiosondes / Re: UHF mil air

« on: May 24, 2017, 1711 UTC »

Neacp/tacamo/glass flight burning mux on 338.950MHz 1705Z 24May17.

3779

Huh? / Re: Chris Cornell, lead singer of Soundgarden, dies at 52

« on: May 24, 2017, 1656 UTC »

Suicide or O.D.? Apparently they've been touring. A lot of ex-junkies decide to take a taste after years of abstinence and that's all it takes. Lack of tolerance makes what used to be a low to moderate dose for them deadly.

I don't think it was a Mike Huchence but the result was the same.

3780

Huh? / Re: A real "Inconvenient Truth"

« on: May 24, 2017, 1653 UTC »

https://twitter.com/YoungDems4Trump/status/866568927844851712