interferometry at 35 MHz

Hi, i am busy with adding interferometry at 35 MHz. I use 2 inverted V beams on a baseline West-East with a 140 m distance between them. i can locate Cassiopeia A within 1 degree. I like to change to phasing interferometry. Therefore i will build 2 coherent receivers like the jove ones. My problem is: i must have AD-converters, fast anough to get 3 samples per sinus at 6 KHz. They told me, a computer sound cart will do the job..... Can anybody help me with information... software etc. The recording will go for about 1 second. When i get two files with the data from my two antennas. i like to use my own written programs's to do a lot of calculations ..... My goal is to make a map of the sky at 35 MHz... Anybody can help me??? Thanks For more information about my results etc.. see my site http://home.kpn.nl/apon001/huis.htm Go then to the menu-item interferometry... it is in Dutch.. but later starts Englisch. You can see some photopgraphs and graphs. Wim