---ten-tec argosy and mfj-1224 mods--- i have several modifications for these units... the argosy mods involve using direct f.s.k. and are v-e-r-y simple.. the mfj mods are to include a low-pass filter, a schmitt trigger and low tone freqs. if you are interested in either of these mods, send me an sase at my callbook address..73 "jeff" wa2myl....RELAYED BY...N0KGX...GENE