#!/bin/sh # Copyright (C) 1995 Jeffrey Chilton # # Permission is granted to anyone to make or distribute copies of # this program, in any medium, provided that the copyright notice # and permission notice are preserved, and that the distributor # grants the recipient permission for further redistribution as # permitted by this notice. # # Author's E-mail address: jwc@chilton.com STAGE=0 sigterm() { echo "$0: SIGTERM at stage $STAGE" >>/tmp/log/scripts exit 1 } trap sigterm 15 LOG_WHO=${REMOTE_HOST:-$REMOTE_ADDR} #echo $LOG_WHO "$REFERER_URL
" >> /u1/tmp/referers/r8-current.html RADIO_BIN=/usr/local/bin STAGE=1 echo Content-type: text/html echo Pragma: no-cache echo /bin/cat << E_O_F The Listening Post

The Original Web-controlled Shortwave Radio

[IMAGE MAP]

Live audio (10 secs.) | Compressed (60 secs.) | Last 25 frequencies | Tuning controls

News & Notes

Current Receiver Tuning

E_O_F

STAGE=2

FREQUENCY=`printf "RF\n" |$RADIO_BIN/r8`
echo "    Frequency:          $FREQUENCY"
echo ""

STAGE=3

MODEBITS=`printf "RM\n" |$RADIO_BIN/r8`
MODESUBS=`printf "$MODEBITS\n" |$RADIO_BIN/decode_mode`
/usr/bin/sed -e "$MODESUBS" << E_O_F
    Modulation:          #Mode
    IF Bandwidth:        #Bandwidth KHz
    Auto. Gain Control:  #AGC
    Attenuator/Preamp:   #RF
    Sync. Detector:      #Synchro
    Noise Blanker:       #NoiseBlanker
E_O_F

STAGE=4

/bin/cat << E_O_F

About The Station

Since July, 1995 the radio has been tuned by Internet visitors 346,000 times and 475,000 audio samples have been sent to thousands of listeners in 85+ countries. If you want to read about how it works - complete with lots of technical nitty-gritty - I have some notes on the implementation. Want more? Here's a list of other on-line shortwave radios. Check them out and compare reception around the world!

Location

Reston Virginia, USA
N38°56'27" W77°20'11"

Antenna

60-foot Attic Loop

Receiver

Drake R8 Communications Receiver


Go to Jeff's Personal Page E_O_F STAGE=5