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DL0ESA Germany flag Germany

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is the club call-sign of the Radioclub of the European Space Agency Operations Centre (ESOC) in Darmstadt, Germany.

The ESOC Radio Club is supported by ESA's Sports, Social and Cultural Committe (SSCC).

The club station is member of the German DARC DOK - F42.

The Chief Operator of the club call is Manfred DL5FAB.

Other operators are Javier EA1HEO, Rolf DK7FU, Alessandro DJ0MDO and Age LA5PMA.



The ESOC Radioclub is mainly active on the HF bands (80m to 10m) on SSB, CW and Digital modes. We currently do not have antenna for 160m.

We also have VHF/UHF TX/RX capabilities.

We also receive weather data from Meteorological Satellites (Ku Band) (project from our member Mark).

We support the Amateur Radio on ISS (ARISS) Organsiation in planning, preparing and executing their activities and hold the license for the German Astronauts on-board ISS DP0ISS

There is a Genso Station for Amateur Satellite tracking VHF/UHF/S bands .


We tipically activate the station for major contests and for special events happening at ESA and in particular at ESOC (e.g. for celebrating/promoting special satellite operations activities).



Shack Set-up:


- an Opti-Beam 9-5 for 20, 17, 15, 12 and 10 m  with rotor RC5A-3

- a double homemade dipole for 80m and 40m

- a vertical monopole for VHF and UHF

These antennas are installed on the top floor of a multi-story metal parking deck as per photo below:

DL0ESA antenna on top of the parking lot


The station is build around an HF transceiver Kenwood TS-870 powered with a Voltcraft DC power supply 13.8V/20A and 2 Laptops supporting the electronic log, digital modes operation and propagation stimations (HRD, UCX MMTTY, fldigi, HamCAP, ROS, Echolink, APRS,...).

Since 2013 we have an ALPIN 100 Power Amplifier providing up to legal power of 750W and an external SWR & Power Meter CN-801.

DL0ESA shack. Rolf testing Amplifier


DL0ESA shack diagram


As a back up, the radioclub relies on a HF transceiver ICOM IC-740 with Power Supply IC-PS15 and external Antenna Tuner Daiwa CNW418.

For VHF/UHF we have an VHF transceiver IC-275H  and a FM transceiver Kenwood TM-451E.


The GENSO Station:

GENSO room. David and Norbert



Other European Space Agency radio club stations at other ESA's establishments are:

PI9ESA at ESA's Technical Centre (ESTEC), Noordwijk, The Netherlands.

II0ESA at ESA's Earth Observation Centre (ESRIN), Italy.


Past activities:

2015-08-15 Spanish Municipalities (CME)

CME 2015 DL0ESA Op.Javier (EA1HEO)

2015-07-12 IARU HF World Championship

2015-07-01 Canada_Day Contest

2015-06-28 King of Spain SSB contest

Javier was active in 80, 40, 20, 15 and 10m during most of the contest period. A total of 328 QSOs were made.

King-of-Spain-Contest DL0ESA Op. Javier (EA1HEO)

7th place (out of 179 participants in the same category) was achived.

King-of-Spain-Contest Diploma

2015-03-08 ARRL International DX SSB Contest

Javier was active in 20m for a couple of hours. 25 QSOs were made with Canadian and North American colleagues.


2015-01-17 and 18 Hungarian Contest

Javier was active on 80m with 100W. A total of 78 QSOs were made.

2015 HA-DX_Contest_Certificate


1st of August until 15th of September 2014 - GALILEO FOC-1 LAUNCH

The present activation took place around the launch of the first Galileo Full Operating Capability (FOC) satellites with a Soyuz rocket from Kourou (French Guyana).
Launch is foreseen on 21st of August. Activity will last during the whole LEOP and fine orbiting positioning (expected from the 1st of August until the 15th of September 2014).
Giuliano and Paul are already in Kourou for launch preparation and they are going to activate the station in their free time with Giuliano's callsign FY/PA3FHD. Joerg is also going to join them around mid of August, so there will be the chance to hear him on air with his callsign FY/DL3LUM.

Also the other three ESA stations (PI9ESA, DL0ESA and IZ0FEJ) will be active in the period for the award, compatibly with holidays period of various operators.

Details were announced on https://sites.google.com/site/hamradiogalileo/


2013 Small Kids' Day:

2013 Kid's Day with Alessandro


27th September 2013 - European Researchers' Night event.

CERN, ESA, ESO and UNESCO in partnership with the Italian Institute of Astrophysics invited the public to an exceptional event taking place simultaneously in Geneva, Paris and Bologna.

World known scientists and protagonists of the Higgs and Plank research took audiences on a spectacular journey back in space and time, through particle physics (the infinitely small) and cosmology and astrophysics (the infinitely large). Viewers in local and remote audiences experienced the moments of our primordial origins from a sudden expansion of space and transformation of energy into matter at the birth of the universe, 13.7 billion years ago.

Videoconferences linked the three European cities to ESA’s Planck’s Operations Centre at the European Space Operations Centre ESOC, in in Darmstadt Germany, with Nazzareno Mandolesi, Principal Investigator for Planck’s LFI instrument, and to remote venues, such as ESO’s ALMA telescope site in Chile, to the Large Hadron Collider tunnel, 100 m underground, and to Luca Parmitano, ESA’s astronaut on the International Space Station.

Background information and live stream under: http://www.esa.int/Highlights/Origins_2013

The ESOC Radio Club with its club station DL0ESA was active during the event together with the ESA clubstations at ESRIN (II0ESA) and ESTEC (PI9ESA).

Contacts for this event counted for the Galileo Award.


Galileo related Ham Radio Events 2013

The Galileo satellite navigation system programme faced important milestones during 2013. Radio amateurs of the European Space Agency decided to participate on those achiements with some special amateur radio activities. All radio clubs of ESA (ESTEC, ESOC, ESRIN) were activated during those events. During launches of Galileo satellites from our space port in French Guiana a station in Kourou was active (see also the 2012 event). In addition, all 2013 radio activities from Kourou under the Galileo programme will count for this event. These radio activities will be performed by ESA staff and engineers, many of them directly involved into the design, development, deployment and integration of the system. Activation will be done during staff's spare time!
Radio bands and modes: SSB, CW, DigiModes primarily on HF-bands.
Galileo Activation. Op. Manfred (DL5FAB)

12 March 2013 - First Galileo autonomous position, time, velocity (PVT) fix

Radio contacts were confirmed with a special Galileo QSL card through Global QSL or direct.
DL0ESA Galileo Event QSL
Event Manager: Jörg, PA1MUC / DL3LUM
QSL-Manager: Alberto, IW1FNW
Award-Manager: Alberto, IW1FNW
Webmaster: Luis, CT2INY
Station responsibles:
DL0ESA (ESOC): Manfred, DL5FAB
FY/PA3FHD: Giuliano, PA3FHD
Galileo First position. Op. Javier (EA1HEO) and wife Johanna

Galileo First position. Op. Manfred (DL5FAB) and Javier (EA1HEO)

October 2012 - Galileo IOV-2 Launch Event:

A very special activity was supported from the European Space Port in Kourou, French Guiana during the Galileo IOV-2 (In orbit validation) launch campaign:



27 and 28 October 2012 - CQ contest WW DX SSB

Manfred, Javier and Age operated DL0ESA on all the available bands after antenna works (80m, 40m, 20, 15m and 10m) with a good result  with 100W. We got the following certificate:

2012 WW DX Contest SSB certificate


May 2012 - Mounting dipoles for 40 and 80m:

(Rolf, Age and Javier after activity was completed)


21st April 2012 - The new OptiBeam9-5 is mounted


25 March 2012 - CQ WW WPX SSB

Javier (EA1HEO) operated DL0ESA on 40m for some hours. We got the following certificate

2012 WW WPX Contest SSB certificate


In 2011:

2011-10-22 - CQ WW DX SSB Contest

Rolf, Javier and Age operated DL0ESA with the just mounted dipoles.

Age and Javier on the second day of the contest. Photo by Rolf.
2011 WW DX Contest SSB certificate


2011-10-29 - installation crossed home made dipoles (10m and 40m).

DL0ESA is back on the air from ESOC!!!

2011-10-22 installation of cables

2011-06 movement of the tower to the center of the parking slot.

2011-05-09 installation cable duct



In 2005:

Rolf operating in 2005

8th Septembre 2004 - Contact DL0ESA with the ISS - NA1ISS:


Video from the contact of DL0ESA with NA1ISS: http://esamultimedia.esa.int/docs/ISS18092004.avi

Further references to this event: http://www.f42.info/uploads/images/143/ISSF42-final2.pdf

Last checks before the ISS path


During the contact with ISS


6662319 Last modified: 2015-08-23 22:12:11, 21300 bytes

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