Hot Links

Current Links – don’t miss these!

A  .pdf  of the RSGB “Low Frequency Experimenters Handbook”  good ! http://www.n5dux.com/ham/files/pdf/RSGB%20Low%20Frequency%20Experimenters%20Handbook.pdf

Above, I should add, is by Peter Dodd, G3LDO…good stuff!

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http://www.n5dux.com/ham/files/pdf/RSGB%20Low%20Frequency%20Experimenters%20Handbook.pdf

http://www.500kc.com/     The WD2XSH ARRL Experiment

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Friday 18 Sep 2015

Flyer and specs for the KB5NJD/WG2XIQ 100+ W PA for 630m…One must keep the local worms warm over the winter!

NJDTechnologies 630m Amp

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ADDED 17 Sep 2015

With all the recent interest in E-Field Probe antennas lately, here are several links to the same:  Enjoy

http://www.radiopassioni.it/pdf/pa0rdt-Mini-Whip.PDF   … really simple  $5 Special

http://w1vd.com/modifiedeprobe.pdf … Jay’s (W1VD) take on simplicity

http://www.arrl.org/files/file/Technology/tis/info/pdf/0109031.pdf … Original AMRAD design, bit of overkill

http://www.cliftonlaboratories.com/z1501_active_antenna.htm … Store bought, ultra high-end design, reputed to be a real performer.  By Jack Smith, Clifton Labs  ($$$) on this one.

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Here’ a link to what I consider the primo site for 630m enthusiasts.  John updates often and you’ll find a wealth of info and chatter here!  Site by KB5NJD / WG2XIQ. GO CHECK NOW – 100W 630m power amplifier available!

http://njdtechnologies.net/

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G3XBM, Roger in England developed a cool TX converter…his site has the mother lode of information and is frequently updated…do not miss.

https://sites.google.com/site/g3xbmqrp3/mflf/472khz_tvtr

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GW3UEP designed the 100 PA described in TX.  Go Here:

http://www.gw3uep.ukfsn.org/100W_QTX/100W_QTX_Text_090711.htm

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http://www.w1vd.com

Jay Rusgrove’s LF / MF site details the power amps I built.  Check it out.

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Steve VE7SL Site – more details on the RX Only Vertical

http://ve7sl.blogspot.ca/2015/01/the-low-noise-vertical.html

 

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