qrp.kearman.com
KR1S QRP Home PageKR1S QRP Website
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KR1S QRP Website
http://qrp.kearman.com/
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KR1S QRP Home Page | qrp.kearman.com Reviews
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KR1S QRP Website
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KR1S QRP Operating Stuff
http://qrp.kearman.com/html/operatingstuff.html
Updated March 26, 2008. Photo from "The Boys Wireless Book," 1924. Getting Started in QRP. Tips on operating, antennas, and propagation. Elecraft KX1 #1740 - First 100 QSOs. Performance analysis of the KX1, updated recently after 200 QSOs. Operating QRP In Contests. Originally published in the NE-QRP newsletter and QRP Quarterly. Suggestions on having fun while doing better in contests. KR1S QRP Portable - Part I. Photos and descriptions of temporary operating setups in Florida.
KR1S QRP Tech Stuff
http://qrp.kearman.com/html/techstuff.html
Updated October 22, 2011. Reasons why more QRPers don't build their own equipment, and why they should. Noise Suppression of Low Level Signals. By Yardley Beers, WØJF. Why you should minimize losses in your antenna system. W1RST "Tiny Tim" Portable (1955). Q Multiplier Source Documents. Some KR1S QRP Projects. The FETish Superhet Receiver. The "7-11," a simple 17-Meter VXO Transceiver. NATE: "Not Another Tin Ear" Receiver. Ham Bands FET Regenerative Receiver. Medium Wave FET Regen. The Joy of QRP. There ...
Getting Started In QRP
http://qrp.kearman.com/html/gettingstarted01.html
Getting Started In QRP. March 21, 2008. There are already many sites, books and articles that will tell you how to choose a rig, and how much fun it is to operate QRP. Choosing a rig is easy; having fun with QRP requires the right state of mind and being in touch with reality. Operating QRP is not "just the same" as operating with 100 W or more, only with less power. Yes, very often, someone using a 100-W transceiver, or even higher power, could work most of the same stations at QRP power levels. A low, ...
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http://www.qrpdxpropagationantennas.com/index.html
Joy of QRP Reviews. Working DX with 5 Watts? Where do we QRP DX’rs fit with a DSW40, an SST, a Sierra or some other rig at under one watt to 5 watts output, sometimes a yagi or quad up 75 feet, usually a low dipole or hunk of wire hung where ever possible? We should not even be in the picture! But the simple fact is: QRP DX’ers get through pile-ups, work the rare ones, have the incredible satisfaction of hearing the DX station send QRP STN KN to shut up and embarrass the KW’s into oblivion! The big quest...
Radio receivers: Xtaflex 40m VXO regenerative receiver - Michael J. Rainey, AA1TJ
http://radio-receivers.blogspot.com/2016/05/xtaflex-40m-vxo-regeneratice-receiver.html
Collected from the internet. Xtaflex 40m VXO regenerative receiver - Michael J. Rainey, AA1TJ. This circuit is based on the Autoflex/Spontaflex receiver designed by Sir Douglas Hall. It turns out that Sir Douglas' clever circuit works well as a one-stage, crystal-controlled (VXO'd) regenerative receiver. As he explains in his June, 1964 article. The circuit shown in my schematic diagram is built for 40m. I've used it on the 30m band by changing the frequency-sensitive components. In fact, the roc...Under...
Radio receivers: May 2016
http://radio-receivers.blogspot.com/2016_05_01_archive.html
Collected from the internet. Xtaflex 40m VXO regenerative receiver - Michael J. Rainey, AA1TJ. This circuit is based on the Autoflex/Spontaflex receiver designed by Sir Douglas Hall. It turns out that Sir Douglas' clever circuit works well as a one-stage, crystal-controlled (VXO'd) regenerative receiver. As he explains in his June, 1964 article. The circuit shown in my schematic diagram is built for 40m. I've used it on the 30m band by changing the frequency-sensitive components. In fact, the roc...Under...
aa4ga-dot-com: Links
http://www.aa4ga.com/p/links.html
Manufacturer of Par antennas. Contest logging software - this has replaced TRLog for me for the most part .if only it ran natively on Mac! South East Contest Club. Lots of good stuff here. Kinda like packet cluster for QRP types. SDR you can control over the web. Old Radio Shack Catalogs. Cool stuff from my youth. S blog - QRP and flyfishing - my kinda guy! S website - check out the article on QRP contesting. N2CQ QRP Contest List. S blog - mostly QRP and CW. Lots of QRP stuff from the frozen north.
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SV3ORA website
Professional engineering is the top, but amateur engineering is more fun. It is when you cross the barrier between these two, that things become really fascinating! Theory, information and tutorials. Electronics and RF techniques. Poor man's laboratory equipment. Places that I have visited. How to contact me. Sign in my guestbook. Micro SD locker and instructions for a safe PC. Read this for your safety! My sponsor since 13-8-2015:. Have you got any old unwanted electronics? Optimum wire size for RF coils.
Киевские любители QRP
Undefined index: guests in D: domains qrp www qrpforum index.php. Undefined index: guests in D: domains qrp www qrpforum index.php. Неофициальный сайт-форум любителей работы в эфире малой мощностью. :-) 72! Здравствуйте Гость ( Вход. Middot; Правила форума. Последний раз Вы здесь были: 13 Августа, 2015 - 16:31:52. Отметить все форумы как прочтённые. Bull; QRP Day - 17 июня QRP день! Bull; Некорректная работа с последней Оперой. Bull; Старый сайт закрыт в связи с обновлением с 11 августа 2010 года. Сюда м...
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KR1S QRP Home Page
Getting Started in QRP. Homebrew QRP rig used by OSS in 1942. Site design and ©2005 - 2014 by James Kearman.
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联系 郭经理 0392-28115156 13283921865. 联系 琚虎威 2015-8-17 9:53:00. 联系 柳先生 2015-7-21 16:31:48. 联系 常经理 2015-7-3 16:05:54. Middot; 鹤壁永成专业生产CWG-ZY 正压自动放水器. Middot; 鹤壁永成专业生产CWG-FY 负压自动放水器. 联系 李经理 2015-5-29 9:10:25. 联系 邓女士 2015-5-7 14:44:17. 联系 陶经理 2015-4-25 16:29:33. 联系 王玉玲 2015-4-8 15:08:15. Middot; 电热恒温恒湿培养箱,实验室培养箱,培养箱煤质分析. Middot; 智能量热仪,煤质分析仪器,实验室分析仪器. Middot; 全自动量热仪,实验室分析仪器,煤质分析仪器,煤炭. Middot; 全自动量热仪,氧弹仪,煤质大卡仪厂家. Middot; 嵌入式精密全自动量热仪,氧弹仪厂家,热量仪价格. 联系 付晶 2015-1-30 10:10:07. 联系 付晶 2014-12-29 14:35:55.
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