diff --git a/apps/modulator-c.conf b/apps/modulator-c.conf
index eda485c..0c227a5 100644
--- a/apps/modulator-c.conf
+++ b/apps/modulator-c.conf
@@ -13,6 +13,7 @@ power = 70.0
 # channels are frequency slots to which a stream (mod0, mod1 ...) can be assigned
 [channels]
 # frequency of channel 0, following channels are spaced according to set standard
+# frequency parameter has to come first!
 frequency = 474.0
 # numbers of channels to allocate, starting from frequency below
 # this defines 16 channels at 474, 474+8, 474+16, etc. Mhz
@@ -20,6 +21,11 @@ channels = 16
 # standard: 0 = generic, 1 = DVB-T 8MHz, 2 = DVB-T 7 MHz, 3 = DVB-T 6 MHz 
 standard = DVBC_8
 
+frequency = 640.0
+channels = 8
+standard = DVBC_8
+
+
 [streams]
 # number of streams depends on the card hardware
 # streams correspond to devices mod0, mod1, ...
@@ -29,7 +35,6 @@ standard = DVBC_8
 stream_format = TS
 symbol_rate = 6.9
 modulation = qam_dvbc_256
-rolloff = 13
 
 channel = 0
 stream = 0
@@ -52,7 +57,7 @@ stream = 5
 channel = 6
 stream = 6
 
-symbol_rate = 6.5
-modulation = qam_dvbc_64
+#symbol_rate = 6.5
+#modulation = qam_dvbc_64
 channel = 7
 stream = 7
diff --git a/apps/modulator.conf b/apps/modulator-t.conf
similarity index 91%
rename from apps/modulator.conf
rename to apps/modulator-t.conf
index 1f4cf5c..861717f 100644
--- a/apps/modulator.conf
+++ b/apps/modulator-t.conf
@@ -7,24 +7,24 @@ channels = 16
 # unit of power in DBUV or DBM
 unit = DBUV
 # power output in units of above unit
-power = 50.0
+power = 90.0
 
 
 # define channels:
 # channels are frequency slots to which a stream (mod0, mod1 ...) can be assigned
 
 [channels]
+frequency = 474.0
 # standard: 0 = generic, 1 = DVB-T 8MHz, 2 = DVB-T 7 MHz, 3 = DVB-T 6 MHz 
-standard = 1
-
+standard = DVBT_8
 # numbers of channels to allocate, starting from frequency below
 # this defines 25 channels at 474, 474+8, 474+16, etc. Mhz
 channels = 25
 # frequency of channel 0, following channels are spaced according to set standard
-frequency = 474.0
-
 
 [streams]
+stream_format = TS
+standard = DVBT_8
 # number of streams depends on the card hardware
 # streams correspond to devices mod0, mod1, ...
 # channels are defined above in channels section
@@ -33,6 +33,9 @@ frequency = 474.0
 guard_interval = 0
 # 0 = 2K, 1 = 8K  (2K not yet supported)
 fft_size = 1
+puncture_rate = 7/8
+constellation = qam64
+cell_identifier = 0
 
 # all following streams will be set according to the last set other parameters