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EA4CYQ Spain flag Spain

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  • I send a QSL card via bureau of whatever first contact per band and mode, except for LotW contacts confirmed.
  • Althoug I receive confirmation via LotW, If you want I will send the QSL card.
  • I send the QSL cards one or two times a year, so be patience.
  • I upload my log to LotW each month.
  • If I receive a direct QSL card I will answer in the same way.
  • I will send QSL cards for all the first EME contacts.



- HF Homemade Multi dipoles and a Morgain IC-706MKIIG

- 145 MHz 4 x 9H 2.5 λ DK7ZB TS-790E

- 435 MHz 2x21 RHP/LCP 6.8 λ M2 TS-790E

- 1.2 GHz 1 x 67H 22 λ WIMO TS-790E

- 2.4 GHz 0.9m. offset dish and 5.5 turns helix KHUNE DOWNCONV.



My first license was in 1982 as EB4WL and I got my actual license EA4CYQ in 1984. I got the Spanish authorization on 1.2GHz in 2012.

I am active member of URE, AMSAT and ARRL.

I have always practiced digital modes focused on weak signals as PSK31 and JT65.

I have built and experienced with wire antennas in the HF bands, Dipoles, Morgain, Squares and Cubical Quads.

I have devoted to Ham Satellite communications from 2000, with portable and fix setups.

With EB4DKA Pedro, we have designed the CJU and IOio antennas. They have been worldwide built and used in satellite communications.

I have published the following issues than you can find at http://www.ea4cax.com



01-2003 TPM II and EGGBEATER II, an amazing experience ea1uro.com

08-2003 The DATA connector =+ a connector URE

01-2004 Change HF for Satellites URE

02-2004 The dish antennas and the AO-40 satellite URE

04-2004 The Lineal Transponder of the satellites URE

01-2005 The Arrow antenna and de satellites URE

11-2005 The “IOio” Antenna The AMSAT Journal

01-2006 The “CJU” antenna The AMSAT Journal

02-2006 The “IOio” antenna and satellites URE

01-2006 A New Tool to Help Work the Satellites – The CJU Antenna The AMSAT Journal

06-2006 CJU Antenna URE

06-2006 Antenna CJU pour trafic par satellite MEGAHERTZ magazine

05-2006 Satelliten mit dem Handfunkgerät arbeiten CQ DL –Spezial UKW-


07-2006 Circular Polarization and VHF/UHF antennas URE

10-2006 Satelliten mit dem Handfunkgerät arbeiten CQ DL – Spezial


01-2007 Desktop transceiver to work satellites URE

02-2009 A Better Way to Work Low Earth Orbit FM Satellites QST


Here you can find a relation of some of my achievements:

  • I Have confirmed contacts with three different crews of the ISS.
  • I have a confirmed UHF contact with Arecibo radio telescope, with a single yagui and 90Watts.
  • More than 4000 via satellite contacts from 2000, in several mods, FM, SSB, BBS, APRS, Voice, SSTV and PSK31.
  • The first satellite contact between Cuba and Europe.
  • Hundreds of digital contacts in the HF bands.


Nowadays I am involved in EME communications, I am learning of the edge of this hobby.


1780753 Last modified: 2015-03-14 00:04:41, 3784 bytes

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