[Lowfer] XR4TN WSPR updates

[jrusgrove at comcast.net]

>A final note on this post to the US lowFERs.. Getting a WSPR, or
>Digi signal of any kind on 1750 meters is fairly simple.. An HF
>Tranceiver, run thru a Transverter, and into the traditional
>Complimentary Pair PA will get you going.. Something to think about:


A non linear final (such as Class D complimentary pair) is not suitable for transmitting a "Digi 
signal of any kind". Non linear amplifiers can be used for frequency modulated signals likeWSPR, 
WSJT, RTTY, Navtex, MFSK etc ... but not for amplitude modulated signals like WOLF, PSK, QPSK etc.

Jay W1VD  WD2XNS  WE2XGR/2