[600MRG] TM1LY and TM100LY Lafayette Stations on the Air.

Fri Dec 18 18:38:14 EST 2020

Hello Bart,

You didn't ask this question but I'm answering it again.

http://www.theradiohistorian.org/transmitters/poulsen.jpg
A Poulsen arc converter transmitter, seen in this photo, created a
continuous wave through the creation of a sustained high-frequency
oscillating arc enclosed in a magnetic field.
<http://www.theradiohistorian.org/transmitters/poulsen.jpg>
<http://www.theradiohistorian.org/transmitters/poulsen.jpg>

This 1 megawatt Poulsen arc converter was built for the US Navy by Federal
Telegraph Company in 1919.  It was installed in Croix d'Hins, France..
<http://www.theradiohistorian.org/transmitters/federal.jpg>

https://radio-club-f5kan.jimdofree.com/page-d-histoire/  One photo of the
station shows four towers in a quadrangle, there is also a photo taken from
a tower by men doing maintenance.

I'm guessing based on similar stations the antenna was four towers and a
top hat stretched in some manner between the towers.

If you get a photo of the towers, post it here.

73
DR

*RADIO CLUB F5KAN The compass rose*
<https://radio-club-f5kan.jimdofree.com/>
THE CROIX D'HINS RADIO STATION

 In 2020 it is the 100th anniversary of the largest wireless telegraphy
station in the world which was located at the Croix d'Hins Commune of
Marcheprime. Operational station from 1920 to 1944.

                              Photo of General Pershing

History: *(source wikipedia)*

As of the declaration of war in August 1914, the telephone links by
submarine cables were cut, it then became essential for war needs to set up
replacement solutions and radio telegraphy, which was in full development,
came to the fore. point to fill the lack of land links. The Americans go to
war in 1917. General Pershing commands the American expeditionary force. A
secure and permanent communication channel between Europe and the United
States must be made operational quickly. A new radiotelegraphy station is
being studied at the initiative of General Pershing in order to allow
reliable and uninterrupted communications between the American armed forces
engaged in France and the United States. The French delegation proposes the
Croix d'Hins site near Bordeaux. This site is accepted by the inter-allied
commission responsible for the file because it has many advantages:
    * it is far from the combat zones
    * it is near the port of Bordeaux and outside an urban area (Landes
forest),
    * it can be connected to the rail network via the Croix d'Hins station,
    * it can be supplied running from hydroelectric dams on the Dordogne
and in particular the Tuilière dam upstream from Bergerac

Finally, given the position of the North American continent, it was
preferable to choose a place near the West Atlantic coast of our country. The
486 hectares are quickly acquired for the construction of the station. In
memory of the Franco-American friendship, the station will bear the name of
Radio Bordeaux Lafayette. Work began on March 7, 1918. Not only the
antennas and the transmitter had to be built, but also technical buildings,
a water tower, a workshop, a dining hall, staff quarters and even a school. A
rail connection is made at Croix d'Hins station, in order to transport
heavy parts from the port of Bordeaux. The railway line will pass between
the pylons and penetrate into the main building. 750 Marines are sent to
France for the assembly of the equipment and the elevation of the antenna
pylons which will begin in May 1918. The end of the war on November 11,
1918 sees a stop of work whereas only 6 of the 8 pylons are built ( 250m
high). Franco-American discussions resumed at the beginning of 1919 and a
new approval was signed in February 1919. The last pylons were put in
place, the general installation completed and the acceptance tests
completed in April 1920.The first message was sent on August 21, 1920 . The
official inauguration took place on December 16 of that same year.

In 1940, the Germans seized the facilities. Kriegsmarine soon realized the
usefulness of very long waves for communicating with submarines while
diving. The station will operate until its destruction by the Germans in
1944, when the allies arrive. The last pylon will be brought down on
November 21, 1953.

                                     The radio station ==>

*thanks to Philippe for the info*

Photo transmitted by the historian of the US MARINES (thanks Annette).

and belonging to: *"Marine Corps Archive and Special Collections, Quantico,
Virginia"*
[image: "Marine Corps Archive and Special Collections, Quantico,
Virginia"]"Marine
Corps Archive and Special Collections, Quantico, Virginia"
[image: vestiges of the station]
[image: Model of the station next to 2 pylons (250m)]
[image: vestiges of the station]
[image: vestiges of the station]
[image: vestiges of the station]
[image: vestiges of the station]
[image: vestige of the station]
[image: 1 / 20th scale model of the Self - QRP abstain]
[image: The truth]
[image: The departure of the air]
[image: all]
[image: The station]
[image: base of a pillar foot]
[image: base of a pillar foot]
[image: the ground plane]
[image: Maintenance: nice view]
[image: The Tuilieres dam (supplying the station)]
The remaining buildings
[image: guardhouse]
THE EXHIBITION - (1 click on the arrowed rectangle to enlarge, escape to
exit)
[image: Location Croix d'HINS]
[image: Overview of the room]
[image: Overview of the room]
[image: aviation in Gironde]
[image: transatlantic radio communications aircraft]
[image: Morse manipulator "saw blade type"]
[image: "Pickaxe" type Morse manipulator]
[image: The southern cross - LATECOERE]
[image: THE WONDERS OF RADIO]
[image: RADIOFIL Stand transistor stations]
[image: Self with wheels to forget for the laptop (approx 35cm / 50cm)]
[image: Also to forget for your antenna coupler (approx 30cm / 60cm)]
[image: at radiofil]
[image: METRIX lamp analyzer]
[image: Nice voltmeter / milliamperemeter]
[image: Radio France Museum]
[image: PAPA'S TELEVISION]
[image: AND IT WORKS (see the video)]
[image: loop antenna]
[image: Disc TV machine - 1930s]
[image: Spark Gadget]
[image: ARCACHON RADIO CLUB]
[image: Very imposing traffic receiver]
[image: Military Vehicle Collection Group - MVCG Bordeaux]
[image: GI]
[image: ARMS]
[image: THE JEEP of MVCG Aquitaine - http://www.mvcgbordeaux.org/index.php]
Go back to the 1940s

Small simulation of Bordeaux Lafayette station by Radio club d'Arcachon and
F6LIA
the first TV sets

The first TV sets, a cathode ray tube and a disc machine from 1930.
reconstructed by the association for the conservation of mechanical
television heritage ( http://la-radiovision.fr )

<http://www.youtube.com/watch?v=IWrdCfLhQ4w>

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