ARRL

10.1MHz Reference Circuit

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