Administrative Rule no. 322/95, of 17 of April

Ministério das Obras Públicas, Transportes e Comunicações (Ministry for Public Works, Transport and Communications)

Administrative Rule

(This is not an official translation of the law)

Articles 13, no. 5 and 18, no. 1 of Decree-Law no. 5/95, of January 17, which sets forth the new regime of amateur radiocommunications service remit for an administrative ruling to be issued by Government member responsible for the communications area the definition of the technical conditions which should be complied with by amateur stations, the frequency bands to be used as well as the conditions of emission under which the stations should work.

In these terms and under the cover of articles 13, no. 5 and 18, no. 1 of Decree-Law no. 5/95, of January 17:

Government, through Minister of Public Works, Transports and Communications, determines the following:

1 - Present administrative ruling defines the technical conditions which should be complied with by amateur's stations, as well as establishes the frequency bands and the classes of emission under which the stations should work.

2 - For inspection and control purposes, the amateur stations should have available:

a)Schemas of the installations duly updated, namely those corresponding to radioelectrical equipment of artisanal construction;
b)At least, one non radiating artificial antenna and one wattmeter for the tuning of its functioning conditions.

3 - Amateur stations constituted by mobile or portable equipment are forgone of what is stipulated in subparagraph b) of preceding number.

4 - Amateur stations could, for apparatus regulation ends, transmit during a short period of time, not longer than one minute, single modulating frequencies or only the non modulated or not keyed carrier.

5 - Installation and use of repeater stations and radiofinding stations is only authorized by Communications Institute of Portugal (ICP) in allocated frequencies, within 144 MHz - 146 MHz and 430 MHz - 440 MHz frequency bands.

6 - Effective Radiated Power (ERP) of amateur repeater stations should not exceed the following limits:

a)40 watts, for 144 MHz - 146 MHz frequency band;

b)60 watts, for 430 MHz - 440 MHz frequency band.

7 - Antennas of amateur repeater stations should be of vertical polarisation type and isotropic in the horizontal plane.

8 - Interconnection of amateur repeater stations is not allowed.

9 - The emission frequency of an amateur station should not exceed the frequency band limits destined to amateur service and should have the stability foreseen in the Radiocommunications Regulations, annex to Telecommunications International Convention.

10 - The bandwith occupied by an amateur transmitter should not surpass the fixed one by Radiocommunications Regulations for the used type of emission.

11 - Non essential radiations, under terms of Radiocommunications Regulations, should be reduced to the least possible, within the following limits:

a)Up to 30 MHz, 40 dB below the fundamental average power, without exceeding 50 mW;

b)Over 30 MHz, 60 dB below the fundamental average power, without exceeding 1mW;

12 - Maximum modulation percentage, for the case of amplitude modulated transmitters, should be such that does not provoke non essential radiations and in no case should exceed 100%.

13 - Maximum shift in frequency modulation is ±5 kHz for the frequency bands below 30 MHz and ±15 kHz in the frequency bands between 30 MHz and 440 MHz.

14 - For frequency bands over 440 MHz, the allowed maximum shift should take into account the technological evolution of the used equipment.

15 - The antennas to be used in amateur stations which cross public roads could not be installed without authorization from local autarchies after the issue of an ICP's opinion in what concerns electromagnetic compatibility.

16 - Whenever an amateur needs to tune his transmitter, he should used a non radiating artificial antenna.

17 - In a communication setting up, the amateur should meet the following norms:

a)Transmit the calling code at the beginnig and end of each emission;

b)When it is a general telegraphy call, the CQ group should be transmitted three times, followed by the word «de» (from) and the calling code of the caller station, also three times;

c)When the communication is made from a portable or mobile amateur station, in addition to identifying the transmitting station, the location from where is transmitting must also be mentioned;

d) In telephony, when it is necessary to spell out calling codes, regulated abbreviations or words, the Radiocommunications Regulation phonetic alphabet (spelling chart) must be used;

e)Any amateur, when operating another amateur's station, should transmit the calling code of the working station followed by his own calling code;

f) Any amateur, when operating a repeater amateur station, should transmit the calling code of the working station followed by his own calling code, except if the repeater station transmits it automatically;

g)Calling code should be followed by symbols «/M»,«/MM»,«/P», in accordance with the installed station, respectively, either in a vehicle or in a ship, or a mobile station;

h)In communications set up through an amateur station, under the cover of a temporary national license of an amateur station or license of a CEPT amateur's stations, the calling code should be preceded by prefix «CT» (Continental Portugal or Autonomous Region of Madeira) or preceded by prefix «CU» (Autonomous Region of Azores) .

18 - For purposes of what is laid down in subparagraph f) of preceding number, amateur's associations should give to its associates the calling codes of the repeater stations.

19 - Frequency bands and respective classes of emission for each amateur category are included in present administrative ruling which is an integral part of it.

Ministry of Public Works, Transports and Communications.

Signed, on March 6, 1995.

On behalf of Minister of Public Works, Transports and Communications, Carlos Alberto Pereira da Silva Costa, Secretary of State of Housing.

ANNEX

1 - Authorized frequency bands and respective classes of emission for each amateur category are the following:

1.1 - Amateurs of Category C

1.2 - Amateurs of Category B not qualified to operate telegraphy in Morse code (manual Transmission and auditive reception)

1.3 - Amateurs of Category A; Amateurs of Category B qualified to operate telegraphy in Morse code (manual Transmission and auditive reception)

(a) Frequency bands assigned to amateur service with a statute of secondary service, foreseen in Radiocommunications Regulations, annex to International Telecommunications Convention which are authorised, case by case, by ICP.

2 - Symbols for class of emission:

A1A -telegraphy (on - off keying) without modulation by an audio frequency;
A1B - amplitude modulation telegraphy with automatic reception, without using a modulating subcarrier;
A1D -amplitude modulation data transmission, double sideband, without using a modulating subcarrier;
A2A -on-off keying telegraphy using one or several modulating audio frequencies, or on-off keying telegraphy of an amplitude modulated emission;
A2B -amplitude modulation telegraphy with automatic reception and using on-off keying of the modulating subcarrier;
A2D -amplitude modulation data transmission, double sideband and using a modulating subcarrier;
A3C -amplitude modulation facsimile; the main carrier is modulated either directly or by a frequency modulated subcarrier;
A3E -amplitude modulation telephony, double sideband;

C3F -television, in amplitude modulation, with vestigial sideband;

F1A - telegraphy (keyed by frequency variation);
F1B -frequency modulation telegraphy with automatic reception, without using a modulating subcarrier;
F1D -frequency modulation data transmission, double sideband, without using a modulating subcarrier;
F2A - on-off keying telegraphy of an audio frequency for frequency modulation, or by on-off keying of a frequency modulated emission (special case: unkeyed frequency modulated emission);
F2B -frequency modulation telegraphy with automatic reception and using on-off keying of the modulating subcarrier;
F2D -frequency modulation data transmission, using a modulating subcarrier;
F3C - modulation frequency facsimile, by direct modulation of carrier frequency;
F3E - frequency modulation telephony;
F3F - television with frequency modulation;

G1D -phase modulation data transmission, without using a modulating subcarrier;
G2D -phase modulation data transmission, using a modulating subcarrier;
G3C -phase modulation facsimile:
G3E -phase modulation telephony;
G3F -television in phase modulation;

J1D -amplitude modulation data transmission, single sideband, suppressed carrier, using a modulating subcarrier;
J2A -on-off keying telegraphy using one or several modulating audio frequencies, or an on-off keying telegraphy, single sideband, with suppressed carrier;
J2D -amplitude modulation data transmission, single sideband, suppressed carrier without using a modulating subcarrier;
J3C - amplitude modulation facsimile; single sideband, with suppressed carrier;
J3E -amplitude modulation telephony, single sideband, with suppressed carrier;
J8E -amplitude modulation telephony, independent sidebands;

K1A -on-off keying telegraphy of a carrier transmitted by pulses, without modulation by an audio frequency;
K2A -on-off keying telegraphy of one or several audio modulating frequencies, or by on-off keying of a modulated carrier transmitted by pulses (special case: unkeyed modulated carrier transmitted by pulses);
K3E - pulse modulation telephony.

R3C - amplitude modulation facsimile; single sideband, with vestigial carrier;
R3D -amplitude modulation data transmission, single sideband, with vestigial carrier;
R3E -amplitude modulation telephony, single sideband, with with vestigial carrier;

3 - Below 30 MHz, communications between nearby amateur stations may only be made, during very short periods of time, within following frequencies and classes of emission:

21.000 MHz - 21.450 MHz - A1A, F1A;
21.200 MHz - 21.450 MHz - A2A, A3E, F3E, F3F;
28.000 MHz - 29.700 MHz - A1A, F1A;
28.200 MHz - 29.700 MHz - A2A, A3E, F3E, F3F.

The concept «nearby» should be interpreted as meaning the same rural village, town or city.

4 - The frequency bands of amateur service to be used for message transmissions concerning human life safeguard, in events of serious accidents or natural catastrophies are the following:

3.500 MHz - 3.800 MHz;
7.000 MHz - 7.100 MHz;
10.000 MHz -10.150 MHz;
14.000 MHz -14.350 MHz;
18.068 MHz -18.168 MHz;
21.000 MHz -21.450 MHz;
24.890 MHz -24.990 MHz;
144.000 MHz -146.000 MHz;

5 - In telegraphy transmissions with direct print (teleprinters) should be used the following international telegraphy alphabets and transmission speeds:

CCITT alphabet nr. 2 (5 units Baudot code) with a speed not higher than 100 bauds.
7 units alphabet according to CCIR Recommendation 476, with a speed of 100 bauds.
CCITT alphabet nr. 5 (7 units code + parity bit) with a transmission speed of 100 bauds for emissions below 30 MHz and 300 bauds for those above that frequency (ASCII).
Classes of authorised emissions: A1B, A2B, F1B, F2B, J2B.

6 - In data transmission must be used CCITT Protocol X. 25, at a maximum speed of 300 bauds for emissions below 30 MHz, 1200 bauds within frequency band 144.600 MHz - 144.700 MHz and speeds equal or higher than 300 bauds over 430 MHz; address fields will be, however, replaced by the calling codes of the amateur's stations (AX25).

Classes of authorised emissions: A1D, A2D, F1D, F2D, G1D, G2D, J1D, J2D, R3D.

7 - For emissions A2A, A3E and A3C the bandwidth should not exceed 6 kHz (6K00A3E).

8 - In F1A emissions, the frequency shift between the mark and space signals must less than 900 Hz.

In F2A emissions, the highest audible frequency of the modulating signal must not exceed 3 kHz and the difference between the audible modulating frequency corresponding to mark and space signals must be less than 900 Hz.

In F3E and F3C emissions, the frequency shift must not exceed + 3 kHz (12 K00F3E) within the bands up to 30 MHz and + 15 kHz (36K00F3E) within the frequency bands between 30 MHz and 440 MHz.

For frequency bands above 440 MHz, the frequency shift should take into account the technological evolution of the used equipment.

9 - C3F emissions, shall only be permitted with slow scanning (SSTV) and with normal scanning within 430 MHz - 440 MHz and 1240 MHz - 1300 MHz frequency bands.

F3F emissions will only be permitted with slow scanning (SSTV).

Signal principal characteristics with slow scanning:
Bandwidth:should not exceed 3kHz;
Definition:120 lines per picture;
Picture frequency:0.125 Hz;
White frequency:2300 Hz;
Black frequency:1500 Hz;

Line synchronization:
Frequency:1200 Hz;
Duration:5 ms;

Image synchronization:
Frequency:1200 Hz;
Duration:30 ms;

Signal principal characteristics with normal scanning:
Bandwidth:6.75 MHz;
Limits of emission occupied band: 430 MHz - 436.75 MHz;
Image carrier frequency:431.25 MHz;
Definition:625 lines per picture;
Picture frequency:25 Hz.