unds but not the air.
Without its base the ribbon microphone weighs 4 kilograms, nearly 9
lbs.
5. An outstanding antenna system designed by Rex G4JUJ for Phase III
amateur satellite communication.
The up-link section comprises four 88-element Jaybeam multi-beams
which provide a power gain of 225.
The two down-link 8 element yagis are each fitted with a small
D.C. motor directly coupled to a 9 inch length of M5 brass studding
rotating inside a block of PTFE linked to a push rod which can move
the antennas 75 degrees both sides of the vertical position, either in
unison or in opposite directions. This system provides infinitely
variable polarisation which optimises the down-link signal at any
instant.
6. The saga of H.H.M.S. ADRIAS
While fighting in the area of the Dodecanese Islands on the night
of the 22nd October 1943 the destroyer ADRIAS (L67) was seriously
damaged by a mine but refused to sink.
Under the command of Commander John Toumbas the ship covered a
distance of approximately 700 nautical miles, reaching the port of
Alexandria in Egypt on the eve of the feast of Saint Nicholas, the
patron saint of all seamen.
The Greek Minister of the Navy Sofoclis Venizelos, and the
British Admiral in command of the Royal Navy in the Eastern
Mediterranean, provided an honorary escort for the brave little ship
that had refused to die. A few months later the snub-nosed L67 joined
the fleet of 100 vessels of all sorts which sailed to Greece for the
Liberation.
The photographs were taken by the author (with the exception of
the damaged L67) who travelled back to Greece on H.H.M.S. AVEROF in
the same convoy. The photograph of L84, a similar type destroyer to
ADRIAS shows how much of her bows was blown off by the collision with
the mine.
(H.H.M.S. stands for His Hellenic Majesty's Ship.)
7. German sabotage at the Cable & Wireless station at Pallini, Greece,
in World War II.
As the German army was pulling out of Greece in October 1944 its
engineers carried out extensive sabotage to installations of a
strategic value. At Pallini, not far from Athens, an attempt was made
to destroy the transmitter hall by dropping one of the antenna towers
onto it, but the equipment was not damaged.
They were more successful at the Royal Navy transmitting site at
Votanikos. Here they tried to destroy six 300 foot tubular masts.
One remained standing and also the lower part
|