TELECOMMUNICATIONS
397
If the sender wishes to limit the number of days that the radiotelegram should be held at the coast station awaiting the ship he should, when handing it in, write before the address
J1 J2 or J3 and so on, indicating that he desires the radiotelegram to be held for one day, two days, three days, and
so on.
If a ship has not communicated with the coast station within the time specified by the sender, the sender is advised of non-delivery. The sender may then ask by interview or by letter addressed to the Government Radio Office for the radiotelegram to be' held until the end of the tenth day (not including the day of handing in).
Paid Service Advices.
(a) The sender of a radiotelegram to, or from a ship may cause instructions to be given respecting it by radiotelegraph. The receiver of a radiotelegram, may cause inquiry respecting it to be made, or have the whole, or any portion of it repeated from the ship, or the land office of origin as the case may be.
Requests for repetition or information are only admitted, however, if they are sent through the coast station which transmitted the original radiotelegram.
(b) Every message exchanged between two offices at the request of the sender or addressee (or an authorised representative of either) is to be regarded as a paid service message, and to be prefixed ST.
(c) For paid service messages correcting a radio- telegram previously transmitted from a ship the render must pay the cost of a radiotelegram conveying the instructions.
as
Such paid service messages are charged for ordinary radiotelegram telegrams except that the name ship or office of origin (which is used as the name of of the ship or office of destination and the name of the the sender) are not charged for.
Retransmissions (RM).
(a) Radiotelegrams may, at the risk of the sender, be exchanged with ships which are out of range of the Cape D'Aguilar Radio Station by the aid of intervening ships.
two.
(b) The number of retransmissions is limited to