diff --git a/apps/flowgraphs/upsat_afsk_transmitter.grc b/apps/flowgraphs/upsat_afsk_transmitter.grc
index 4c93f3c..a90351c 100644
--- a/apps/flowgraphs/upsat_afsk_transmitter.grc
+++ b/apps/flowgraphs/upsat_afsk_transmitter.grc
@@ -198,6 +198,60 @@
1.25e3
+
+ variable
+
+ comment
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (16, 509)
+
+
+ _rotation
+ 0
+
+
+ id
+ gaussian_taps
+
+
+ value
+ filter.firdes.gaussian(1.0, samples_per_symbol_tx, 1.0, 4*samples_per_symbol_tx)
+
+
+
+ variable
+
+ comment
+
+
+
+ _enabled
+ 1
+
+
+ _coordinate
+ (16, 637)
+
+
+ _rotation
+ 0
+
+
+ id
+ interp_taps
+
+
+ value
+ numpy.convolve(numpy.array(gaussian_taps), numpy.array(sq_wave))
+
+
variable
@@ -283,6 +337,33 @@ is too great and becomes a bottlneck.
40
+
+ variable
+
+ comment
+
+
+
+ _enabled
+ 1
+
+
+ _coordinate
+ (16, 573)
+
+
+ _rotation
+ 0
+
+
+ id
+ sq_wave
+
+
+ value
+ (1.0, ) * samples_per_symbol_tx
+
+
variable
@@ -382,7 +463,7 @@ is too great and becomes a bottlneck.
_coordinate
- (952, 260)
+ (1064, 260)
_rotation
@@ -472,6 +553,154 @@ is too great and becomes a bottlneck.
float
+
+ import
+
+ alias
+
+
+
+ comment
+
+
+
+ _enabled
+ 1
+
+
+ _coordinate
+ (240, 596)
+
+
+ _rotation
+ 0
+
+
+ id
+ import_0
+
+
+ import
+ import numpy
+
+
+
+ import
+
+ alias
+
+
+
+ comment
+
+
+
+ _enabled
+ 1
+
+
+ _coordinate
+ (240, 540)
+
+
+ _rotation
+ 0
+
+
+ id
+ import_0_0
+
+
+ import
+ import math
+
+
+
+ import
+
+ alias
+
+
+
+ comment
+
+
+
+ _enabled
+ 1
+
+
+ _coordinate
+ (240, 652)
+
+
+ _rotation
+ 0
+
+
+ id
+ import_0_1
+
+
+ import
+ from gnuradio import filter
+
+
+
+ interp_fir_filter_xxx
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ 1
+
+
+ _coordinate
+ (760, 253)
+
+
+ _rotation
+ 0
+
+
+ id
+ interp_fir_filter_xxx_0
+
+
+ interp
+ samples_per_symbol_tx
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ samp_delay
+ 0
+
+
+ taps
+ interp_taps
+
+
+ type
+ fff
+
+
qtgui_time_sink_x
@@ -1190,65 +1419,6 @@ is too great and becomes a bottlneck.
-1
-
- rational_resampler_xxx
-
- alias
-
-
-
- comment
-
-
-
- affinity
-
-
-
- decim
- 1
-
-
- _enabled
- True
-
-
- fbw
- 0
-
-
- _coordinate
- (744, 239)
-
-
- _rotation
- 0
-
-
- id
- rational_resampler_xxx_0
-
-
- interp
- samples_per_symbol_tx
-
-
- maxoutbuf
- 0
-
-
- minoutbuf
- 0
-
-
- taps
-
-
-
- type
- fff
-
-
rational_resampler_xxx
@@ -1628,7 +1798,7 @@ similar to produce dynamic payloads.
0
- rational_resampler_xxx_0
+ interp_fir_filter_xxx_0
blocks_multiply_const_vxx_0
0
0
@@ -1659,7 +1829,7 @@ similar to produce dynamic payloads.
satnogs_upsat_fsk_frame_encoder_0
- rational_resampler_xxx_0
+ interp_fir_filter_xxx_0
0
0