WSPR Skimming and auto upload to WSPRNet.org??

[Selwyn Cathcart]

HI, Can anyone please offer some guidence on setting up a RTL SDRV4 using the SparkSDR application on a with PC platform SKIMMING HF & VHF WSPR frequencies and to automatily upload received SPOTS to WSPRNET.org?

Thanks in advance.

Selwyn

ZL2BJO

[Josh Logan]

When you say skimming do you mean frequency changes over time?

You can write your own interface to the cat port and use cron to run commands on a schedule.

Or look at WSJT-X Improved:

https://sourceforge.net/projects/wsjt-x-improved/files/WSJT-X_v3.0.0/

That has Band Hopping build into the program.

You could run 2 virtual audio cables and then run an FT8 and WSPR skimmer.

I used a bash script like this under Linux/OSX, but should be easy enough to get something under Windows:

#!/bin/bash

# HOST is a variable used to point to SparkSDR
HOST=localhost
#HOST=10.0.1.90

# Read in the arguments
first_arg="$1"
second_args="$2"

# Change MHz into hertz
FREQ=`echo "$first_arg * 1000000" | bc | cut -f 1 -d .`
echo $FREQ

# if a, A, or AUTO are sent as the second argument, set LSB/USB at 14.0 MHz  Otherwise send through the mode
if [[ "$second_args" == "a" || "$second_args" == "A" || "$second_args" == "AUTO" ]]; then
  echo "Argument is AUTOMATIC mode"
  if [ "$FREQ" -ge "14000000" ]; then
    echo "USB"
    MODE="USB"
  else
    echo "LSB"
    MODE="LSB"
  fi
else
  MODE=$second_args
fi

73, KD7HGL

Josh

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