diff --git a/simulators/Makefile.am b/simulators/Makefile.am
index 2ea8fee66..12c290686 100644
--- a/simulators/Makefile.am
+++ b/simulators/Makefile.am
@@ -8,7 +8,7 @@ DISTCLEANFILES =
 
 bin_PROGRAMS = 
 
-check_PROGRAMS = simelecraft simicgeneric simkenwood simyaesu simic9100 simic9700 simft991 simftdx1200 simftdx3000 simjupiter simpowersdr simid5100 simft736 simftdx5000 simtmd700 simrotorez simspid simft817 simts590 simft847 simic7300 simic7000 simic7100 simic7200 simatd578 simic905 simts450 simic7600 simic7610 simic705 simts950 simts990 simic7851 simftdx101 simxiegug90 simqrplabs simft818 simic275 simtrusdx simft1000 simtmd710 simts890 simxiegux108g simxiegux6100 simic910 simft450
+check_PROGRAMS = simelecraft simicgeneric simkenwood simyaesu simic9100 simic9700 simft991 simftdx1200 simftdx3000 simjupiter simpowersdr simid5100 simft736 simftdx5000 simtmd700 simrotorez simspid simft817 simts590 simft847 simic7300 simic7000 simic7100 simic7200 simatd578 simic905 simts450 simic7600 simic7610 simic705 simts950 simts990 simic7851 simftdx101 simxiegug90 simqrplabs simft818 simic275 simtrusdx simft1000 simtmd710 simts890 simxiegux108g simxiegux6100 simic910 simft450 simelecraftk4
 
 simelecraft_SOURCES = simelecraft.c 
 simkenwood_SOURCES = simkenwood.c 
diff --git a/simulators/simelecraft.c b/simulators/simelecraft.c
index 9296d7dbc..10fbee1f2 100644
--- a/simulators/simelecraft.c
+++ b/simulators/simelecraft.c
@@ -35,6 +35,8 @@ int rxattenuatorB = 0;
 int keyspd = 20;
 int ai = 0;
 int dt = 0;
+int modea = 2;
+int modeb = 2;
 
 // ID 0310 == 310, Must drop leading zero
 typedef enum nc_rigid_e
@@ -122,14 +124,13 @@ int main(int argc, char *argv[])
     char *pbuf;
     int n;
     int fd = openPort(argv[1]);
-    int modea = 3, modeb = 3;
     int freqa = 14074000, freqb = 14073500;
 
     while (1)
     {
         buf[0] = 0;
 
-        if ((n = getmyline(fd, buf)) > 0) { printf("Cmd:%s, len=%d\n", buf, n); }
+        if ((n = getmyline(fd, buf)) > 0) { if (strstr(buf,"BW")) printf("Cmd:%s, len=%d\n", buf, n); }
         else {continue; }
 
         if (strcmp(buf, "RM5;") == 0)
diff --git a/simulators/simelecraftk4.c b/simulators/simelecraftk4.c
new file mode 100644
index 000000000..1aa4cad2f
--- /dev/null
+++ b/simulators/simelecraftk4.c
@@ -0,0 +1,440 @@
+// can run this using rigctl/rigctld and socat pty devices
+// gcc -o simyaesu simyaesu.c
+#define _XOPEN_SOURCE 700
+// since we are POSIX here we need this
+#if  0
+struct ip_mreq
+{
+    int dummy;
+};
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include <hamlib/rig.h>
+#include "sim.h"
+
+#define BUFSIZE 256
+
+int freqA = 14074000;
+int freqB = 14074500;
+int afgain = 180;
+int rfgain = 190;
+int micgain = 30;
+int noiseblanker = 0;
+int bandwidthA = 200;
+int bandwidthB = 200;
+int ifshift = 0;
+int preampA = 0;
+int preampB = 0;
+int rxattenuatorA = 0;
+int rxattenuatorB = 0;
+int keyspd = 20;
+int ai = 0;
+int dt = 0;
+int modeA = 2;
+int modeB = 2;
+//    int freqa = 14074000, freqb = 14073500;
+
+// ID 0310 == 310, Must drop leading zero
+typedef enum nc_rigid_e
+{
+    NC_RIGID_NONE            = 0,
+    NC_RIGID_FT450           = 241,
+    NC_RIGID_FT450D          = 244,
+    NC_RIGID_FT950           = 310,
+    NC_RIGID_FT891           = 135,
+    NC_RIGID_FT991           = 135,
+    NC_RIGID_FT2000          = 251,
+    NC_RIGID_FT2000D         = 252,
+    NC_RIGID_FTDX1200        = 583,
+    NC_RIGID_FTDX9000D       = 101,
+    NC_RIGID_FTDX9000Contest = 102,
+    NC_RIGID_FTDX9000MP      = 103,
+    NC_RIGID_FTDX5000        = 362,
+    NC_RIGID_FTDX3000        = 460,
+    NC_RIGID_FTDX101D        = 681,
+    NC_RIGID_FTDX101MP       = 682
+} nc_rigid_t;
+
+int
+getmyline(int fd, char *buf)
+{
+    char c;
+    int i = 0;
+    memset(buf, 0, BUFSIZE);
+
+    while (read(fd, &c, 1) > 0)
+    {
+        buf[i++] = c;
+
+        if (c == ';') { return strlen(buf); }
+    }
+
+    if (strlen(buf) == 0) { hl_usleep(10 * 1000); }
+
+    return strlen(buf);
+}
+
+#if defined(WIN32) || defined(_WIN32)
+int openPort(char *comport) // doesn't matter for using pts devices
+{
+    int fd;
+    fd = open(comport, O_RDWR);
+
+    if (fd < 0)
+    {
+        perror(comport);
+    }
+
+    return fd;
+}
+
+#else
+int openPort(char *comport) // doesn't matter for using pts devices
+{
+    int fd = posix_openpt(O_RDWR);
+    char *name = ptsname(fd);
+
+    if (name == NULL)
+    {
+        perror("pstname");
+        return -1;
+    }
+
+    printf("name=%s\n", name);
+
+    if (fd == -1 || grantpt(fd) == -1 || unlockpt(fd) == -1)
+    {
+        perror("posix_openpt");
+        return -1;
+    }
+
+    return fd;
+}
+#endif
+
+
+
+int main(int argc, char *argv[])
+{
+    char buf[256];
+    char *pbuf;
+    int n;
+    int fd = openPort(argv[1]);
+
+    while (1)
+    {
+        buf[0] = 0;
+
+        if ((n = getmyline(fd, buf)) > 0) { if (strstr(buf,"BW0")) printf("Cmd:%s, len=%d\n", buf, n); }
+        else {continue; }
+
+        if (strcmp(buf, "RM5;") == 0)
+        {
+            printf("%s\n", buf);
+            hl_usleep(50 * 1000);
+            pbuf = "RM5100000;";
+            WRITE(fd, pbuf, strlen(pbuf));
+        }
+        else if (strcmp(buf, "AI;") == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "AI%d;", ai);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "AI", 2) == 0)
+        {
+            sscanf(buf, "AI%d", &ai);
+        }
+
+        else if (strcmp(buf, "AN0;") == 0)
+        {
+            printf("%s\n", buf);
+            hl_usleep(50 * 1000);
+            pbuf = "AN030;";
+            WRITE(fd, pbuf, strlen(pbuf));
+        }
+        else if (strcmp(buf, "IF;") == 0)
+        {
+            printf("%s\n", buf);
+            hl_usleep(50 * 1000);
+            //pbuf = "IF059014200000+000000700000;";
+            pbuf = "IF00007230000     -000000 0001000001 ;" ;
+            WRITE(fd, pbuf, strlen(pbuf));
+        }
+        else if (strcmp(buf, "ID;") == 0)
+        {
+            printf("%s\n", buf);
+            hl_usleep(50 * 1000);
+            int id = 24;
+            SNPRINTF(buf, sizeof(buf), "ID%03d;", id);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strcmp(buf, "PS;") == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "PS1;");
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strcmp(buf, "BW$;") == 0)
+        {
+            fprintf(stderr, "***** %d\n", __LINE__);
+            SNPRINTF(buf, sizeof(buf), "BW$%04d;", bandwidthB);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "BW$", 3) == 0)
+        {
+            sscanf(buf, "BW$%d", &bandwidthB);
+        }
+        else if (strcmp(buf, "BW;") == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "BW%04d;", bandwidthA);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "BW", 2) == 0)
+        {
+            sscanf(buf, "BW%d", &bandwidthA);
+        }
+        else if (strcmp(buf, "DT;") == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "DT%d;", dt);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "DT", 2) == 0)
+        {
+            sscanf(buf, "DT%d", &dt);
+        }
+        else if (strcmp(buf, "BN;") == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "BN03;");
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strcmp(buf, "SM;") == 0)
+        {
+            static int meter = 0;
+            SNPRINTF(buf, sizeof(buf), "SM%04d;", meter++);
+
+            if (meter > 15) { meter = 0; }
+
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strcmp(buf, "RG;") == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "RG%03d;", rfgain);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "RG", 2) == 0)
+        {
+            sscanf(buf, "RG%d", &rfgain);
+        }
+        else if (strcmp(buf, "MG;") == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "MG%03d;", micgain);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "MG", 2) == 0)
+        {
+            sscanf(buf, "MG%d", &micgain);
+        }
+        else if (strcmp(buf, "AG;") == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "MG%03d;", afgain);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "AG", 2) == 0)
+        {
+            sscanf(buf, "AG%d", &afgain);
+        }
+        else if (strcmp(buf, "NB;") == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "NB%d;", noiseblanker);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "NB", 2) == 0)
+        {
+            sscanf(buf, "NB%d", &noiseblanker);
+        }
+        else if (strcmp(buf, "IS;") == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "IS %04d;", ifshift);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "IS", 2) == 0)
+        {
+            sscanf(buf, "IS %d", &ifshift);
+        }
+
+
+#if 0
+        else if (strncmp(buf, "AI", 2) == 0)
+        {
+            if (strcmp(buf, "AI;"))
+            {
+                printf("%s\n", buf);
+                hl_usleep(50 * 1000);
+                n = fprintf(fp, "%s", "AI0;");
+
+                if (n <= 0) { perror("AI"); }
+            }
+        }
+
+#endif
+        else if (strcmp(buf, "VS;") == 0)
+        {
+            printf("%s\n", buf);
+            hl_usleep(50 * 1000);
+            pbuf = "VS0;";
+            WRITE(fd, pbuf, strlen(pbuf));
+        }
+        else if (strcmp(buf, "EX032;") == 0)
+        {
+            static int ant = 0;
+            ant = (ant + 1) % 3;
+            printf("%s\n", buf);
+            hl_usleep(50 * 1000);
+            SNPRINTF(buf, sizeof(buf), "EX032%1d;", ant);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strcmp(buf, "OM;") == 0)
+        {
+            // KPA3 SNPRINTF(buf, sizeof(buf), "OM AP----L-----;");
+            // K4+KPA3
+            SNPRINTF(buf, sizeof(buf), "OM AP-S----4---;");
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strcmp(buf, "K2;") == 0)
+        {
+            WRITE(fd, "K20;", 4);
+        }
+        else if (strcmp(buf, "K3;") == 0)
+        {
+            WRITE(fd, "K30;", 4);
+        }
+        else if (strcmp(buf, "RVM;") == 0)
+        {
+            WRITE(fd, "RV02.37;", 8);
+        }
+        else if (strcmp(buf, "MD;") == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "MD%d;", modeA);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strcmp(buf, "MD$;") == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "MD$%d;", modeB);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "MD", 2) == 0)
+        {
+            if (buf[2] == '$') { sscanf(buf, "MD$%d;", &modeB); }
+            else { sscanf(buf, "MD%d;", &modeA); }
+        }
+        else if (strcmp(buf, "FA;") == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "FA%011d;", freqA);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strcmp(buf, "FB;") == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "FB%011d;", freqB);
+            WRITE(fd, buf, strlen(buf));
+        }
+
+        else if (strncmp(buf, "FA", 2) == 0)
+        {
+            sscanf(buf, "FA%d", &freqA);
+        }
+        else if (strncmp(buf, "FB", 2) == 0)
+        {
+            sscanf(buf, "FB%d", &freqB);
+        }
+        else if (strncmp(buf, "FR;", 3) == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "FR0;");
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "FR", 2) == 0)
+        {
+            // we ignore FR for the K3
+        }
+        else if (strncmp(buf, "FT;", 3) == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "FT0;");
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "KS;", 3) == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "KS%03d;", keyspd);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "KS", 2) == 0)
+        {
+            sscanf(buf, "KS%d", &keyspd);
+        }
+        else if (strncmp(buf, "TQ;", 3) == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "TQ0;");
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "PC;", 3) == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "PC0980;");
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "PA;", 3) == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "PA%d;", preampA);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "PA$;", 4) == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "PA$%d;", preampB);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "PA", 2) == 0)
+        {
+            sscanf(buf, "PA%d;", &preampA);
+        }
+        else if (strncmp(buf, "PA$", 3) == 0)
+        {
+            sscanf(buf, "PA$%d;", &preampB);
+        }
+        else if (strncmp(buf, "RA;", 3) == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "RA%02d;", rxattenuatorA);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "RA$;", 4) == 0)
+        {
+            SNPRINTF(buf, sizeof(buf), "RA$%02d;", rxattenuatorA);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "RA", 2) == 0)
+        {
+            sscanf(buf, "RA%d;", &rxattenuatorB);
+        }
+        else if (strncmp(buf, "RA$", 3) == 0)
+        {
+            sscanf(buf, "RA$%d;", &rxattenuatorB);
+        }
+        else if (strncmp(buf, "KY;", 3) == 0)
+        {
+            int status = 0;
+            printf("KY query\n");
+            SNPRINTF(buf, sizeof(buf), "KY%d;", status);
+            WRITE(fd, buf, strlen(buf));
+        }
+        else if (strncmp(buf, "KY", 2) == 0)
+        {
+            printf("Morse: %s\n", buf);
+        }
+        else if (strlen(buf) > 0)
+        {
+            fprintf(stderr, "Unknown command: %s\n", buf);
+        }
+    }
+
+    return 0;
+}
diff --git a/simulators/simic910.c b/simulators/simic910.c
index 9038f09c8..4b539de50 100644
--- a/simulators/simic910.c
+++ b/simulators/simic910.c
@@ -28,7 +28,7 @@ struct ip_mreq
 
 
 #define BUFSIZE 256
-#define X25
+//#define X25
 
 int civ_731_mode = 0;
 vfo_t current_vfo = RIG_VFO_A;