| In this file. Contents
Summary - the war in the Far East [Russia and Japan] has shown that
W/T in war time is likely to be of great value and
particularly so to the Power taking the offensive.
Foreign Governments are displaying great activity ....in W/T matters.
USA will have four stations capable of 1000 mile range by January 1905.
Royal Navy STILL IN FRONT OF W/T except for long range.
Tune A and B now fitted throughout the navy.
Introduction of 'split aerial'.
Magnetic Detectors now the norm all round.
Submission that the navy needs a new rating of telegraphist.
Staff at HMS Vernon too small to cope.
W/T Act of 1904 - Marconi Companies get 15 year contract for W/T service
to Newfoundland and North America for UK messages.
They also get an 8 year contract for messages exchanged between ships
and 10 UK radio stations. 6 of these stations may be closed down if they
interfere with Admiralty stations. In emergencies Admiralty reserve the
right to take over Marconi stations. Only British subjects can be
employed by Marconi. UK Government messages to be given priority over
all other traffic and at half the cost. The signal DDDT {
- · · - · · - · · - run together as one
group} will indicate that a British man-of-war is calling a British
coast station and has a message for admission to the Admiralty.
Upon hearing
this the coast station must suspend all other communications except
those on-going for distress purposes and take the man-of-war's message.
End of the 'Marconi Set'. From hereonin, all sets are to be
called 'Service Sets'.
Spark Coil - choice and circuitry approved and standardised.
Morse keys giving trouble
Isenthal Interrupters on the way out
Service Sets [receivers] - modifications
Introduction of the "Scout Class" which is practically a half
'Service Set'
Various remarks for Tunes A and B receivers, transmitter circuits,
use of either A or B and wire aerials.
Standard layout diagram showing the FULL Tune A and B system.
Ship can now communication on two frequencies [wavelengths].
Failures in apparatus |