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Sunday, August 10, 2008

Loops and QRSS



On QRP-L there has recently been some discussion of the effectiveness of small loop antennas. Some hams in Northern Italy are doing something very interesting in this area. They have two identical QRP (1 watt) QRSS transmitters on 30 meters. They are keyed simultaneously, but one antenna is connected to a standard vertical antenna (with a very good radial system), while the other goes to a small, resonant CFA loop. By looking at the various QRSS on-line grabbers out there, you can get a real sense of how the two antennas perform. I just took at look at VK6DI's grabber -- I could clearly see the signal from the vertical, and could see quite a bit of the signal from the loop (see above at around 10140040 -- the loop signal is a few Hz above).

Claudio, I2NDT, has a good web page describing the experiment:

http://digilander.libero.it/i2ndt/pagine/Dual%20Beacon.htm

Saturday, August 9, 2008

Herman Munster gets license, works Italy!

Nick, KA1BQ, alerted me to this one. I don't think Herman really had The Knack ( he seems more like an appliance operator to me), but he did work Italy, so it merits mention here.

SolderSmoke in Australia in 1944: Listen in!

Well, not exactly SolderSmoke, but these VK3 hams were obviously melting a lot of solder. One of them recorded some of their 1944 QSOs. (I may have mentioned this recording before, but it is good enough to mention again!)

Have a listen: http://www.crossbandradio.com/xbands/ehams.mp3

Cheerio and 73 Old Boy!

Thursday, August 7, 2008

Kits and Parts dot com

For some nice offers on parts of interest to QRPers and Knack victims in general, check out the website of Diz, W8DIZ.

http://kitsandparts.com/

Wednesday, August 6, 2008

Google to the Moon! $30 Million in Prizes!

Extra prizes for finding artifacts! Will there be a SolderSmoke team in the competition?

Sunday, August 3, 2008

SolderSmoke #89

   http://www.soldersmoke.com

August 3, 2008
Positano on the Amalfi Coast
QRSS: An Idea for More N. American Activity
Argo's bandwidth: .34 Hz
The New SolderSmoke Audio Filter
Knackered? Translating American to British
Kanga USA helps in Lake Michigan rescue
Google's "Back to the Moon" contest
Russia's Mars sample return mission
Apollo 11
Lasers from San Diego to the Moon
N0TU's slideshow (with Tuna Tin Two)
MAILBAG: K4QO on clubs without rules.
G0WAT names me "Hodeghog #4"
VE7SL ID's Mystery Military Radio
ZL2GX finishing Ph.D.
KC0PET gets EMRFD
N5XL reports Tantalum shortage
G3WOE on Shep and 20 new BITX20s
W8OAJ is now N8WQ, building MEPT

Saturday, August 2, 2008

Italy Travel Report: Positano

We were down on the Amalfi coast this week, near Positano. This is on the southern coast of a beautiful peninsula that juts out into the Med, a bit South of Naples. I brought a SW receiver with me, but didn't hear too much. We did some fishing, down near the boats you see in the picture. This was the view from our window. I'll mention this in SolderSmoke 89 (probably tomorrow), so I thought I'd put a picture on the blog.
Designer: Douglas Bowman | Dimodifikasi oleh Abdul Munir Original Posting Rounders 3 Column