diff --git a/demod/mod/dfm09mod.c b/demod/mod/dfm09mod.c
index b2200e2..77f845f 100644
--- a/demod/mod/dfm09mod.c
+++ b/demod/mod/dfm09mod.c
@@ -856,6 +856,7 @@ int main(int argc, char **argv) {
     int option_dc = 0;
     int option_bin = 0;
     int option_json = 0;     // JSON blob output (for auto_rx)
+    int option_pcmraw = 0;
     int wavloaded = 0;
     int sel_wavch = 0;       // audio channel: left
     int spike = 0;
@@ -974,10 +975,26 @@ int main(int argc, char **argv) {
             option_min = 1;
         }
         else if   (strcmp(*argv, "--dbg") == 0) { gpx.option.dbg = 1; }
+        else if (strcmp(*argv, "-") == 0) {
+            int sample_rate = 0, bits_sample = 0, channels = 0;
+            ++argv;
+            if (*argv) sample_rate = atoi(*argv); else return -1;
+            ++argv;
+            if (*argv) bits_sample = atoi(*argv); else return -1;
+            channels = 2;
+            if (sample_rate < 1 || (bits_sample != 8 && bits_sample != 16 && bits_sample != 32)) {
+                fprintf(stderr, "- <sr> <bs>\n");
+                return -1;
+            }
+            pcm.sr  = sample_rate;
+            pcm.bps = bits_sample;
+            pcm.nch = channels;
+            option_pcmraw = 1;
+        }
         else {
             fp = fopen(*argv, "rb");
             if (fp == NULL) {
-                fprintf(stderr, "%s konnte nicht geoeffnet werden\n", *argv);
+                fprintf(stderr, "error: open %s\n", *argv);
                 return -1;
             }
             wavloaded = 1;
@@ -1005,14 +1022,23 @@ int main(int argc, char **argv) {
 
 
     if (!option_bin) {
-        //if (option_iq) sel_wavch = 0;
-        pcm.sel_ch = sel_wavch;
-        k = read_wav_header(&pcm, fp);
-        if ( k < 0 ) {
+
+        if (option_iq == 0 && option_pcmraw) {
             fclose(fp);
-            fprintf(stderr, "error: wav header\n");
+            fprintf(stderr, "error: raw data not IQ\n");
             return -1;
         }
+        if (option_iq) sel_wavch = 0;
+
+        pcm.sel_ch = sel_wavch;
+        if (option_pcmraw == 0) {
+            k = read_wav_header(&pcm, fp);
+            if ( k < 0 ) {
+                fclose(fp);
+                fprintf(stderr, "error: wav header\n");
+                return -1;
+            }
+        }
 
         // dfm: BT=1?, h=2.4?
         symlen = 2;
diff --git a/demod/mod/lms6Xmod.c b/demod/mod/lms6Xmod.c
index 97cb061..6f9fc59 100644
--- a/demod/mod/lms6Xmod.c
+++ b/demod/mod/lms6Xmod.c
@@ -928,6 +928,7 @@ int main(int argc, char **argv) {
     int option_iq = 0;
     int option_lp = 0;
     int option_dc = 0;
+    int option_pcmraw = 0;
     int wavloaded = 0;
     int sel_wavch = 0;     // audio channel: left
     int gpsweek = 0;
@@ -1059,10 +1060,26 @@ int main(int argc, char **argv) {
             gpx->option.ecc = 1;
             gpx->option.vit = 1;
         }
+        else if (strcmp(*argv, "-") == 0) {
+            int sample_rate = 0, bits_sample = 0, channels = 0;
+            ++argv;
+            if (*argv) sample_rate = atoi(*argv); else return -1;
+            ++argv;
+            if (*argv) bits_sample = atoi(*argv); else return -1;
+            channels = 2;
+            if (sample_rate < 1 || (bits_sample != 8 && bits_sample != 16 && bits_sample != 32)) {
+                fprintf(stderr, "- <sr> <bs>\n");
+                return -1;
+            }
+            pcm.sr  = sample_rate;
+            pcm.bps = bits_sample;
+            pcm.nch = channels;
+            option_pcmraw = 1;
+        }
         else {
             fp = fopen(*argv, "rb");
             if (fp == NULL) {
-                fprintf(stderr, "%s konnte nicht geoeffnet werden\n", *argv);
+                fprintf(stderr, "error: open %s\n", *argv);
                 return -1;
             }
             wavloaded = 1;
@@ -1086,14 +1103,21 @@ int main(int argc, char **argv) {
 
     gpx->week = gpsweek;
 
+    if (option_iq == 0 && option_pcmraw) {
+        fclose(fp);
+        fprintf(stderr, "error: raw data not IQ\n");
+        return -1;
+    }
     if (option_iq) sel_wavch = 0;
 
     pcm.sel_ch = sel_wavch;
-    k = read_wav_header(&pcm, fp);
-    if ( k < 0 ) {
-        fclose(fp);
-        fprintf(stderr, "error: wav header\n");
-        return -1;
+    if (option_pcmraw == 0) {
+        k = read_wav_header(&pcm, fp);
+        if ( k < 0 ) {
+            fclose(fp);
+            fprintf(stderr, "error: wav header\n");
+            return -1;
+        }
     }
 
     symlen = 1;
diff --git a/demod/mod/m10mod.c b/demod/mod/m10mod.c
index b7ecc94..98cdedd 100644
--- a/demod/mod/m10mod.c
+++ b/demod/mod/m10mod.c
@@ -896,6 +896,7 @@ int main(int argc, char **argv) {
     int option_iq = 0;
     int option_lp = 0;
     int option_dc = 0;
+    int option_pcmraw = 0;
     int wavloaded = 0;
     int sel_wavch = 0;     // audio channel: left
     int spike = 0;
@@ -1001,10 +1002,26 @@ int main(int argc, char **argv) {
             option_min = 1;
         }
         else if   (strcmp(*argv, "--json") == 0) { gpx.option.jsn = 1; }
+        else if (strcmp(*argv, "-") == 0) {
+            int sample_rate = 0, bits_sample = 0, channels = 0;
+            ++argv;
+            if (*argv) sample_rate = atoi(*argv); else return -1;
+            ++argv;
+            if (*argv) bits_sample = atoi(*argv); else return -1;
+            channels = 2;
+            if (sample_rate < 1 || (bits_sample != 8 && bits_sample != 16 && bits_sample != 32)) {
+                fprintf(stderr, "- <sr> <bs>\n");
+                return -1;
+            }
+            pcm.sr  = sample_rate;
+            pcm.bps = bits_sample;
+            pcm.nch = channels;
+            option_pcmraw = 1;
+        }
         else {
             fp = fopen(*argv, "rb");
             if (fp == NULL) {
-                fprintf(stderr, "%s konnte nicht geoeffnet werden\n", *argv);
+                fprintf(stderr, "error: open %s\n", *argv);
                 return -1;
             }
             wavloaded = 1;
@@ -1023,13 +1040,22 @@ int main(int argc, char **argv) {
 
     // init gpx
 
-    pcm.sel_ch = sel_wavch;
-    k = read_wav_header(&pcm, fp);
-    if ( k < 0 ) {
+    if (option_iq == 0 && option_pcmraw) {
         fclose(fp);
-        fprintf(stderr, "error: wav header\n");
+        fprintf(stderr, "error: raw data not IQ\n");
         return -1;
     }
+    if (option_iq) sel_wavch = 0;
+
+    pcm.sel_ch = sel_wavch;
+    if (option_pcmraw == 0) {
+        k = read_wav_header(&pcm, fp);
+        if ( k < 0 ) {
+            fclose(fp);
+            fprintf(stderr, "error: wav header\n");
+            return -1;
+        }
+    }
 
     // m10: BT>1?, h=1.2 ?
     symlen = 2;
diff --git a/demod/mod/meisei100mod.c b/demod/mod/meisei100mod.c
index ae2a7aa..be996dd 100644
--- a/demod/mod/meisei100mod.c
+++ b/demod/mod/meisei100mod.c
@@ -212,6 +212,7 @@ int main(int argc, char **argv) {
     int option_iq = 0;
     int option_lp = 0;
     int option_dc = 0;
+    int option_pcmraw = 0;
     int sel_wavch = 0;
     int wavloaded = 0;
 
@@ -307,6 +308,7 @@ int main(int argc, char **argv) {
             }
             else return -1;
         }
+        else if ( (strcmp(*argv, "--ch2") == 0) ) { sel_wavch = 1; }  // right channel (default: 0=left)
         else if ( (strcmp(*argv, "--ths") == 0) ) {
             ++argv;
             if (*argv) {
@@ -345,12 +347,28 @@ int main(int argc, char **argv) {
             option_jsn = 1;
             option_ecc = 1;
         }
+        else if (strcmp(*argv, "-") == 0) {
+            int sample_rate = 0, bits_sample = 0, channels = 0;
+            ++argv;
+            if (*argv) sample_rate = atoi(*argv); else return -1;
+            ++argv;
+            if (*argv) bits_sample = atoi(*argv); else return -1;
+            channels = 2;
+            if (sample_rate < 1 || (bits_sample != 8 && bits_sample != 16 && bits_sample != 32)) {
+                fprintf(stderr, "- <sr> <bs>\n");
+                return -1;
+            }
+            pcm.sr  = sample_rate;
+            pcm.bps = bits_sample;
+            pcm.nch = channels;
+            option_pcmraw = 1;
+        }
         else {
             if (option1 == 1 && option2 == 1) goto help_out;
             if (!option_raw && option1 == 0 && option2 == 0) option2 = 1;
             fp = fopen(*argv, "rb");
             if (fp == NULL) {
-                fprintf(stderr, "%s konnte nicht geoeffnet werden\n", *argv);
+                fprintf(stderr, "error: open %s\n", *argv);
                 return -1;
             }
             wavloaded = 1;
@@ -360,13 +378,22 @@ int main(int argc, char **argv) {
     if (!wavloaded) fp = stdin;
 
 
-    pcm.sel_ch = sel_wavch;
-    k = read_wav_header(&pcm, fp);
-    if ( k < 0 ) {
+    if (option_iq == 0 && option_pcmraw) {
         fclose(fp);
-        fprintf(stderr, "error: wav header\n");
+        fprintf(stderr, "error: raw data not IQ\n");
         return -1;
     }
+    if (option_iq) sel_wavch = 0;
+
+    pcm.sel_ch = sel_wavch;
+    if (option_pcmraw == 0) {
+        k = read_wav_header(&pcm, fp);
+        if ( k < 0 ) {
+            fclose(fp);
+            fprintf(stderr, "error: wav header\n");
+            return -1;
+        }
+    }
 
     symlen = 1;
 
diff --git a/demod/mod/rs41mod.c b/demod/mod/rs41mod.c
index 430e1ee..02e5bff 100644
--- a/demod/mod/rs41mod.c
+++ b/demod/mod/rs41mod.c
@@ -1537,6 +1537,7 @@ int main(int argc, char *argv[]) {
     int option_lp = 0;
     int option_dc = 0;
     int option_bin = 0;
+    int option_pcmraw = 0;
     int wavloaded = 0;
     int sel_wavch = 0;     // audio channel: left
     int rawhex = 0, xorhex = 0;
@@ -1653,10 +1654,26 @@ int main(int argc, char *argv[]) {
         }
         else if   (strcmp(*argv, "--rawhex") == 0) { rawhex = 2; }  // raw hex input
         else if   (strcmp(*argv, "--xorhex") == 0) { rawhex = 2; xorhex = 1; }  // raw xor input
+        else if (strcmp(*argv, "-") == 0) {
+            int sample_rate = 0, bits_sample = 0, channels = 0;
+            ++argv;
+            if (*argv) sample_rate = atoi(*argv); else return -1;
+            ++argv;
+            if (*argv) bits_sample = atoi(*argv); else return -1;
+            channels = 2;
+            if (sample_rate < 1 || (bits_sample != 8 && bits_sample != 16 && bits_sample != 32)) {
+                fprintf(stderr, "- <sr> <bs>\n");
+                return -1;
+            }
+            pcm.sr  = sample_rate;
+            pcm.bps = bits_sample;
+            pcm.nch = channels;
+            option_pcmraw = 1;
+        }
         else {
             fp = fopen(*argv, "rb");
             if (fp == NULL) {
-                fprintf(stderr, "%s konnte nicht geoeffnet werden\n", *argv);
+                fprintf(stderr, "error: open %s\n", *argv);
                 return -1;
             }
             wavloaded = 1;
@@ -1680,14 +1697,21 @@ int main(int argc, char *argv[]) {
 
         if (!option_bin) {
 
+            if (option_iq == 0 && option_pcmraw) {
+                fclose(fp);
+                fprintf(stderr, "error: raw data not IQ\n");
+                return -1;
+            }
             if (option_iq) sel_wavch = 0;
 
             pcm.sel_ch = sel_wavch;
-            k = read_wav_header(&pcm, fp);
-            if ( k < 0 ) {
-                fclose(fp);
-                fprintf(stderr, "error: wav header\n");
-                return -1;
+            if (option_pcmraw == 0) {
+                k = read_wav_header(&pcm, fp);
+                if ( k < 0 ) {
+                    fclose(fp);
+                    fprintf(stderr, "error: wav header\n");
+                    return -1;
+                }
             }
 
             // rs41: BT=0.5, h=0.8,1.0 ?
diff --git a/demod/mod/rs92mod.c b/demod/mod/rs92mod.c
index 1a4bafb..a6ec8ff 100644
--- a/demod/mod/rs92mod.c
+++ b/demod/mod/rs92mod.c
@@ -1235,6 +1235,7 @@ int main(int argc, char *argv[]) {
     int option_iq = 0;
     int option_lp = 0;
     int option_dc = 0;
+    int option_pcmraw = 0;
     int sel_wavch = 0;     // audio channel: left
     int spike = 0;
     int fileloaded = 0;
@@ -1418,10 +1419,26 @@ int main(int argc, char *argv[]) {
             option_min = 1;
         }
         else if   (strcmp(*argv, "--ngp") == 0) { gpx.option.ngp = 1; }  // RS92-NGP, RS92-D: 1680 MHz
+        else if (strcmp(*argv, "-") == 0) {
+            int sample_rate = 0, bits_sample = 0, channels = 0;
+            ++argv;
+            if (*argv) sample_rate = atoi(*argv); else return -1;
+            ++argv;
+            if (*argv) bits_sample = atoi(*argv); else return -1;
+            channels = 2;
+            if (sample_rate < 1 || (bits_sample != 8 && bits_sample != 16 && bits_sample != 32)) {
+                fprintf(stderr, "- <sr> <bs>\n");
+                return -1;
+            }
+            pcm.sr  = sample_rate;
+            pcm.bps = bits_sample;
+            pcm.nch = channels;
+            option_pcmraw = 1;
+        }
         else {
             fp = fopen(*argv, "rb");
             if (fp == NULL) {
-                fprintf(stderr, "%s konnte nicht geoeffnet werden\n", *argv);
+                fprintf(stderr, "error: open %s\n", *argv);
                 return -1;
             }
             fileloaded = 1;
@@ -1461,13 +1478,22 @@ int main(int argc, char *argv[]) {
     // init gpx
     memcpy(gpx.frame, rs92_header_bytes, sizeof(rs92_header_bytes)); // 6 header bytes
 
-    pcm.sel_ch = sel_wavch;
-    k = read_wav_header(&pcm, fp);
-    if ( k < 0 ) {
+    if (option_iq == 0 && option_pcmraw) {
         fclose(fp);
-        fprintf(stderr, "error: wav header\n");
+        fprintf(stderr, "error: raw data not IQ\n");
         return -1;
     }
+    if (option_iq) sel_wavch = 0;
+
+    pcm.sel_ch = sel_wavch;
+    if (option_pcmraw == 0) {
+        k = read_wav_header(&pcm, fp);
+        if ( k < 0 ) {
+            fclose(fp);
+            fprintf(stderr, "error: wav header\n");
+            return -1;
+        }
+    }
 
     // rs92-sgp: BT=0.5, h=1.0 ?
     symlen = 2;