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OR4ESA Belgium flag Belgium

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OR4ESA is the temporary special callsign for the activation at the  European Space Agency (ESA) - Redu Site and Satellite Tracking Station in Redu, Belgium.  (Grid locator: JO20na)

ESA logo       EU Flag

We will be on the air only from the 16th of January until the 6th of February 2018.
The chief operator will be Javier Roldan (EA1HEO).

The contacts are valid for the ESA Amateur Radio Award (2 points per first QSO per mode and band).

QSL policy:
- Electronic QSL:
All the QSOs will be uploaded to LoTW, eQSL, Clublog, HRDLog and QRZ.com.

I prefer electronic QSLs as they are faster, cheaper, easier to archive and they are more friendly to the environment.

- Paper QSL:
I will also support paper QSL both via Bureau and Direct (in both cases via DL0ESA). (Thanks to DARC F42 Griesheim).
If direct, please include SASE (1 USD Europe, 2 USD outside Europe)).
Please note that we will only use paper QSL to reply to the paper QSLs we receive in Germany.


Working conditions:
- Antennas:
Military monopole antenna for 40m (with extension for 80m (as inverted L)).

Homemade vertical monopole with 4 ground radials for 20m
Homemade vertical monopole with 4 ground radials for 15m
OR4ESA 40m monopole antenna OR4ESA 40m monopole antenna SWR measurement on 20180116

- Equipment:
* Until 21/01/2018:

Power supply 30A
Transceiver Yaesu FT-817
Amplifier  RM-505 (aprox. 200W) 
USB interface II for digital modes
Laptop Lenovo T400 for logging + digital modes (HRD + TM780)
OR4ESA operational equipment status 20180116

* 23/01/2018 onwards:
Power supply 30A
Transceiver IC-7300
Laptop Dell Latitude E7470 for logging + digital modes (HRD + TM780)

EA1HEO Javier Roldan operating OR4ESA in Redu
EA1HEO Javier operating OR4ESA from ESA Redu

Planned schedule:
I will try to be on the air daily (Monday to Friday) in the evening after work (18:00 - 21:00 UTC aprox) both in SSB and in digital modes. (Note: Digital modes will be mainly PSK31 and RTTY as QRP).


LOG analisys & statistics:
Below you can check if you are in our log. (I upload the QSOs typically the following morning after each operation)

Basic HRDlog overall activity statistics
Detailed SH5 overall activity statistics and break-down per day:


... and world map of stations contacted.
2018/02/05 OR4ESA QSOs worldmap

OR4ESA cluster spots statistics. Thanks to all the ham radio colleagues who spotted us!  

8634355 Last modified: 2018-02-08 00:59:44, 8026 bytes

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