[Elecraft] K3 Observations Digital Modes and SSB

[Ross Primrose N4RP]

On 2/2/2011 4:37 AM, Julian, G4ILO wrote:
> The reason it is necessary to run higher power when using RTTY is that it is
> an antiquated mode designed before the advent of DSP and it requires a
> stronger signal to produce good copy than PSK31. The reason it is OK to run
> 100W of RTTY using a barefoot K3 is because RTTY is a constant amplitude FSK
> mode and does not cause any IMD.

You don't need a lot of power to run RTTY. In the fall of 2009 in one of 
the RTTY contests I worked all continents with an IC-703+ at 5W into 
(big) wire antennas...

73, Ross N4RP

-- 
FCC Section 97.313(a) “At all times, an amateur station must use the minimum transmitter power necessary to carry out the desired communications.”