Marnach, Luxemburg


MW 1440 kHz. with 1.200kW of power

History of the tx-site
Source: BCE

  MW power  

December 1955

200 kW Start of medium wave transmissions with two 100 kW transmitters

1956

350 kW A third 150 kW MW transmitter from Junglinster arrives
November 1962
  Start of FM transmissions on 97 MHz
Summer 1964
  Construction of an house extension
Spring 1965
  Installation of a second AEG generator of 600 kW
September 1965
600 kW Installation of a new 300 kW THOMSON transmitter
May 1967
 

Start of FM-transmissions on 88,9 MHz

November 1967
  Installation of a new 300 kW TELEFUNKEN medium wave transmitter
October 1968
1200 kW

Installation of a new 600 kW TELEFUNKEN medium wave transmitter

17 January 1969
 

FM-tower breaks down and falls on the house. Both FM frequencies are interrupted

23 January 1969
  97 MHz again on the air
28 February 1969
  88.9 MHz again on the air
14 January 1970
  Installation of a quarter-wave night-aerial
Spring 1970
  Construction of a new FM-site at Hosingen
December 1970
  88,9 MHz is moved to Hosingen
January 1971
  97 MHz is moved to Hosingen
June 1971
  92,5 MHz is moved to Hosingen
August 1972
  Dismantling of FM-tower at Marnach
03 December 1976
  Installation of a reflector for the night-aerial
1981
  Dismantling of 300 kW TELEFUNKEN transmitter (from November 1967)
1982
  Dismantling of 300 kW THOMSON transmitter (from September 1965)
1982
 

Installation of two new 600 kW TELEFUNKEN S 4006 transmitters with pulse width modulation



This tx-site is equiped with 3 transmitters.
Possible kinds of modulation: AM and DAM.

2 TELEFUNKEN S 4006 transmitters (operational).
600kW each.

1 TELEFUNKEN S 1445/2transmitters (standby).
600kW.

The 3 day aerials (2 passive reflectors) of 105 m height each at an altiude of 540 m.
Trasmitting direction: 45°.
50° 2' 50'' N / 6° 4' 49'' E.

The 2 night aerials (1 passive reflector) of 60 & 65 m height at an altiude of 532 m.
Trasmitting direction: 324°.
50° 2' 35'' N / 6° 5' 2'' E.

Various views from the tx-site.

The emergency power system (EPS).
Two identical engines with two identical generators.
Engine: MAN G6 V 40/60
Cylinders: 6
Motor capacity: 450 l
Power: 1370 hp
Roundings: 300 rpm
Fuel: 45000 l
Generator: AEG S 7650/20
Voltage: 3 phase 400 V
Current: 1660 A
Output: 1150 kVA