SSB, Television, and wide
band modes aren’t currently permitted on 30M.
Competitive activities are also discouraged, since the amateur service
is secondary to stations in the Fixed Service outside the US.
High End CW Amateur Station
|
Characteristics |
Values |
|
Frequency Band
(MHz) |
10.1-10.15 |
|
Channel Spacing |
Random |
|
Information Rate |
10 bit/s |
|
Emission Type(s) |
100HA1A |
|
Transmitter Power
(dBW) |
23 |
|
Transmission Line
Loss (dB) |
Transmit: .3 Receive: 0.3 |
|
Antenna
Polarization |
Horizontal;
Vertical |
|
Antenna Maximum
Gain (dBi) |
12 |
|
Maximum e.i.r.p.
(dBW) |
34.7 |
|
Receiver IF
Bandwidth |
CW:100Hz |
|
Receiver Noise
Figure (dB) |
13 |
|
Receiver System
Noise (dBW) |
-153 |
|
Receiver
Signal-to-Noise Ratio (dB) |
+1 |
|
Maximum Long-Term
Interference Power [dB(W/Hz)] |
To be determined |
|
|
|
|
Maximum Path Length
(km) |
Depends on
propgation mode |
Typical CW Amateur Station
|
Characteristics |
Values |
|
Frequency Band
(MHz) |
10.1-10.15 |
|
Channel Spacing |
Random |
|
Information Rate |
10 bit/s |
|
Emission Type(s) |
100HA1A |
|
Transmitter Power
(dBW) |
20 |
|
Transmission Line
Loss (dB) |
Transmit: .3 Receive: 0.3 |
|
Antenna
Polarization |
Horizontal;
Vertical |
|
Antenna Maximum
Gain (dBi) |
7.5 |
|
Maximum e.i.r.p.
(dBW) |
27.2 |
|
Receiver IF
Bandwidth |
CW:100Hz |
|
Receiver Noise
Figure (dB) |
13 |
|
Receiver System
Noise (dBW) |
-153 |
|
Receiver
Signal-to-Noise Ratio (dB) |
+1 |
|
Maximum Long-Term
Interference Power [dB(W/Hz)] |
To be determined |
|
|
|
|
Maximum Path Length
(km) |
Depends on
propgation mode |
Typical 30 M Digital Amateur
Station
|
Characteristics |
Values |
|
Frequency Band
(MHz) |
10.1-10.15 |
|
Channel Spacing |
Random |
|
Information Rate |
45-300 bit/sec |
|
Emission Type(s) |
Many different
types |
|
Transmitter Power
(dBW) |
17 |
|
Transmission Line
Loss (dB) |
Transmit: .3 Receive: .3 |
|
Antenna Polarization |
Horizontal;
Vertical |
|
Antenna Maximum
Gain (dBi) |
7.5 |
|
Maximum e.i.r.p.
(dBW) |
24.2 |
|
Receiver IF
Bandwidth |
500 |
|
Receiver Noise
Figure (dB) |
13 |
|
Receiver System
Noise (dBW) |
-146 |
|
Receiver
Signal-to-Noise Ratio (dB) |
+3 |
|
Maximum Long-Term
Interference Power [dB(W/Hz)] |
To be determined |
|
|
|
|
Maximum Path Length
(km) |
Depends on the
propagation mode |
Dipole
at 50 ft