for ERTU you can use rtmpdump
example
http://ertu.org/1/radioShabab.asp
Code:
rtmpdump -r "rtmp://liveRadio.onlinehorizons.net/shabawreada" -a "shabawreada" -f "WIN 16,0,0,235" -W "http://lr.onlinehorizons.net/player.swf" -p "http://lr.onlinehorizons.net/shabawreada.html" --live -y "livestream" -o shabawreada.mp3
for JRTV you can use Adobe HDS Downloader
example
http://www.jrtv.jo/page.aspx?page_key=key_radio
Code:
php AdobeHDS.php --manifest "http://stream1.joinvisions.net:1935/jorlive/ar/manifest.f4m" --delete