High End 12 M SSB station
|
Characteristics
|
Values
|
|
Frequency Band (MHz)
|
24.93-24.99
|
|
Channel Spacing
|
Random
|
|
Information Rate
|
speech
|
|
Emission Type(s)
|
2K50J3E
|
|
Transmitter Power (dBW)
|
31.7
|
|
Transmission Line Loss (dB)
|
Transmit: .6 Receive: 0.6
|
|
Antenna Polarization
|
Horizontal; Vertical
|
|
Antenna Maximum Gain (dBi)
|
15
|
|
Maximum e.i.r.p. (dBW)
|
46.1
|
|
Receiver IF Bandwidth
|
2500 Hz
|
|
Receiver Noise Figure (dB)
|
7
|
|
Receiver System Noise (dBW)
|
-156
|
|
Receiver Signal-to-Noise Ratio (dB)
|
+6
|
|
Maximum Long-Term Interference Power [dB(W/Hz)]
|
To be determined
|
|
Availability Target %
|
|
|
Maximum Path Length (km)
|
|
4 el yagi
Typical 12 SSB station
|
Characteristics
|
Values
|
|
Frequency Band (MHz)
|
24.93-24.99
|
|
Channel Spacing
|
Random
|
|
Information Rate
|
speech
|
|
Emission Type(s)
|
2K50J3E
|
|
Transmitter Power (dBW)
|
31.7
|
|
Transmission Line Loss (dB)
|
Transmit: .8 Receive: 0.8
|
|
Antenna Polarization
|
Horizontal; Vertical
|
|
Antenna Maximum Gain (dBi)
|
12
|
|
Maximum e.i.r.p. (dBW)
|
42.9
|
|
Receiver IF Bandwidth
|
2500 Hz
|
|
Receiver Noise Figure (dB)
|
13
|
|
Receiver System Noise (dBW)
|
-156
|
|
Receiver Signal-to-Noise Ratio (dB)
|
+6
|
|
Maximum Long-Term Interference Power [dB(W/Hz)]
|
To be determined
|
|
Availability Target %
|
|
|
Maximum Path Length (km)
|
|
High End 12 M CW station
|
Characteristics
|
Values
|
|
Frequency Band (MHz)
|
24.89-24.99
|
|
Channel Spacing
|
Random
|
|
Information Rate
|
10 bit/sec
|
|
Emission Type(s)
|
100HA1A
|
|
Transmitter Power (dBW)
|
31.7
|
|
Transmission Line Loss (dB)
|
Transmit: .6 Receive: 0.6
|
|
Antenna Polarization
|
Horizontal; Vertical
|
|
Antenna Maximum Gain (dBi)
|
15
|
|
Maximum e.i.r.p. (dBW)
|
46.1
|
|
Receiver IF Bandwidth
|
CW:100 Hz
|
|
Receiver Noise Figure (dB)
|
7
|
|
Receiver System Noise (dBW)
|
-170
|
|
Receiver Signal-to-Noise Ratio (dB)
|
+1
|
|
Maximum Long-Term Interference Power [dB(W/Hz)]
|
To be determined
|
|
|
|
|
Maximum Path Length (km)
|
|
Typical 12 M CW Amateur Station
|
Characteristics
|
Values
|
|
Frequency Band (MHz)
|
18.068-18.110
|
|
Channel Spacing
|
Random
|
|
Information Rate
|
10 bit/s
|
|
Emission Type(s)
|
100HA1A
|
|
Transmitter Power (dBW)
|
20
|
|
Transmission Line Loss (dB)
|
Transmit: .8 Receive: 0.8
|
|
Antenna Polarization
|
Horizontal; Vertical
|
|
Antenna Maximum Gain (dBi)
|
8
|
|
Maximum e.i.r.p. (dBW)
|
27.2
|
|
Receiver IF Bandwidth
|
CW:100Hz
|
|
Receiver Noise Figure (dB)
|
7
|
|
Receiver System Noise (dBW)
|
-170
|
|
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
|
Dipole at 30 ft
High End 12 M Digital Amateur Station
|
Characteristics
|
Values
|
|
Frequency Band (MHz)
|
24.89-24.99
|
|
Channel Spacing
|
Random
|
|
Information Rate
|
45-300 bit/sec
|
|
Emission Type(s)
|
Many different types
|
|
Transmitter Power (dBW)
|
31.7
|
|
Transmission Line Loss (dB)
|
Transmit: .8 Receive: .8
|
|
Antenna Polarization
|
Horizontal; Vertical
|
|
Antenna Maximum Gain (dBi)
|
15
|
|
Maximum e.i.r.p. (dBW)
|
45.9
|
|
Receiver IF Bandwidth
|
500
|
|
Receiver Noise Figure (dB)
|
13
|
|
Receiver System Noise (dBW)
|
-163
|
|
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
|
Typical 12 M Digital Amateur Station
|
Characteristics
|
Values
|
|
Frequency Band (MHz)
|
24.89-24.99
|
|
Channel Spacing
|
Random
|
|
Information Rate
|
45-300 bit/sec, 0-300 bit/sec worst case
|
|
Emission Type(s)
|
Many different types
|
|
Transmitter Power (dBW)
|
17
|
|
Transmission Line Loss (dB)
|
Transmit: .8 Receive: .8
|
|
Antenna Polarization
|
Horizontal; Vertical
|
|
Antenna Maximum Gain (dBi)
|
8
|
|
Maximum e.i.r.p. (dBW)
|
24.2
|
|
Receiver IF Bandwidth
|
500 Hz
|
|
Receiver Noise Figure (dB)
|
13
|
|
Receiver System Noise (dBW)
|
-163
|
|
Receiver Signal-to-Noise Ratio (dB)
|
+3
|
|
Maximum Long-Term Interference Power [dB(W/Hz)]
|
To be determined
|
|
|
|
|
Maximum Path Length (km)
|
Depends on propagation mode
|
Typical 12 M SSTV Amateur Station
The typical SSTV amateur station exchanges pictures with other stations.
|
Characteristics
|
Values
|
|
Frequency Band (MHz)
|
24.93-24.99
|
|
Channel Spacing
|
Random
|
|
Information Rate
|
.22 to 7.5 frames/sec
|
|
Emission Type(s)
|
2K50J3E
|
|
Transmitter Power (dBW)
|
30
|
|
Transmission Line Loss (dB)
|
Transmit: .8 Receive: .8
|
|
Antenna Polarization
|
Horizontal; Vertical
|
|
Antenna Maximum Gain (dBi)
|
12
|
|
Maximum e.i.r.p. (dBW)
|
41.2
|
|
Receiver IF Bandwidth
|
2500
|
|
Receiver Noise Figure (dB)
|
7
|
|
Receiver System Noise (dBW)
|
-156
|
|
Receiver Signal-to-Noise Ratio (dB)
|
+30
|
|
Maximum Long-Term Interference Power [dB(W/Hz)]
|
To be determined
|
|
|
|
|
Maximum Path Length (km)
|
Depends on propagation mode
|
Typical 12 M Beacon Amateur Station
None in operation in the USA, but 100 watt beacons at W6YX and KH6WO are a possibility.
|
Characteristics
|
Values
|
|
Frequency Band (MHz)
|
24.93
|
|
Channel Spacing
|
N/A
|
|
Information Rate
|
10 bit/s
|
|
Emission Type(s)
|
50HA1A
|
|
Transmitter Power (dBW)
|
20
|
|
Transmission Line Loss (dB)
|
Transmit:.8
|
|
Antenna Polarization
|
Vertical
|
|
Antenna Maximum Gain (dBi)
|
0
|
|
Maximum e.i.r.p. (dBW)
|
19.2
|
|
Receiver IF Bandwidth
|
100 Hz
|
|
Receiver Noise Figure (dB)
|
13
|
|
Receiver System Noise (dBW)
|
-170
|
|
Receiver Signal-to-Noise Ratio (dB)
|
+1
|
|
Maximum Long-Term Interference Power [dB(W/Hz)]
|
To be determined
|
|
|
|
|
Maximum Path Length (km)
|
depends on propagation mode
|
Typical 12 M Hand-Held Amateur Station
The typical SSB hand-held amateur station can communicate with some other SSB voice amateur stations.
|
Characteristics
|
Values
|
|
Frequency Band (MHz)
|
24.93-24.99
|
|
Channel Spacing
|
Random
|
|
Information Rate
|
speech
|
|
Emission Type(s)
|
2K50J3E
|
|
Transmitter Power (dBW)
|
3
|
|
Transmission Line Loss (dB)
|
Transmit: .0 Receive: 00
|
|
Antenna Polarization
|
Vertical
|
|
Antenna Maximum Gain (dBi)
|
-2
|
|
Maximum e.i.r.p. (dBW)
|
1
|
|
Receiver IF Bandwidth
|
2500 Hz
|
|
Receiver Noise Figure (dB)
|
7
|
|
Receiver System Noise (dBW)
|
-156
|
|
Receiver Signal-to-Noise Ratio (dB)
|
+6
|
|
Maximum Long-Term Interference Power [dB(W/Hz)]
|
To be determined
|
|
Availability Target %
|
|
|
Maximum Path Length (km)
|
|
Mizuho sell these little radios.
