diff --git a/apps/flowgraphs/satnogs_sstv_pd120_demod.py b/apps/flowgraphs/satnogs_sstv_pd120_demod.py
index 6315b41..30c17c0 100755
--- a/apps/flowgraphs/satnogs_sstv_pd120_demod.py
+++ b/apps/flowgraphs/satnogs_sstv_pd120_demod.py
@@ -5,9 +5,10 @@
# Title: SSTV PD120 Demodulation
# Author: Sebastian Schumb (sebastian@sebastains-site.de)
# Description: A PD120 SSTV demodulator
-# Generated: Fri Apr 5 23:30:50 2019
+# GNU Radio version: 3.7.13.5
##################################################
+
from gnuradio import analog
from gnuradio import eng_notation
from gnuradio import filter
@@ -91,6 +92,7 @@ class satnogs_sstv_pd120_demod(gr.top_block):
1, 12000, 1500, 1000, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, audio_samp_rate, deviation+max_modulation_freq, 3000, firdes.WIN_HAMMING, 6.76))
+ self.hilbert_fc_0 = filter.hilbert_fc(65, firdes.WIN_HAMMING, 6.76)
self.freq_xlating_fir_filter_xxx_0_0 = filter.freq_xlating_fir_filter_ccc(4, (63, ), 1750, audio_samp_rate)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(int(samp_rate_rx/filter_rate), (xlate_filter_taps), lo_offset, samp_rate_rx)
self.blks2_rational_resampler_xxx_1 = filter.rational_resampler_ccc(
@@ -114,14 +116,15 @@ class satnogs_sstv_pd120_demod(gr.top_block):
##################################################
self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'), (self.satnogs_coarse_doppler_correction_cc_0, 'freq'))
self.connect((self.analog_nbfm_rx_0, 0), (self.low_pass_filter_0_0, 0))
+ self.connect((self.analog_quadrature_demod_cf_0, 0), (self.hilbert_fc_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.satnogs_ogg_encoder_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.low_pass_filter_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.satnogs_iq_sink_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.satnogs_waterfall_sink_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blks2_rational_resampler_xxx_1, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_0, 0), (self.analog_nbfm_rx_0, 0))
+ self.connect((self.hilbert_fc_0, 0), (self.freq_xlating_fir_filter_xxx_0_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_quadrature_demod_cf_0, 0))
- self.connect((self.low_pass_filter_0, 0), (self.freq_xlating_fir_filter_xxx_0_0, 0))
self.connect((self.low_pass_filter_0_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.satnogs_coarse_doppler_correction_cc_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.satnogs_sstv_pd120_sink_0, 0))
diff --git a/apps/flowgraphs/sstv_pd120_demod.grc b/apps/flowgraphs/sstv_pd120_demod.grc
index 27e5998..8228e84 100644
--- a/apps/flowgraphs/sstv_pd120_demod.grc
+++ b/apps/flowgraphs/sstv_pd120_demod.grc
@@ -323,7 +323,7 @@ TX sampling rate
_coordinate
- (964, 562)
+ (877, 562)
_rotation
@@ -374,11 +374,11 @@ TX sampling rate
_coordinate
- (1204, 474)
+ (1252, 291)
_rotation
- 180
+ 0
gain
@@ -872,7 +872,7 @@ TX sampling rate
_coordinate
- (1164, 562)
+ (1076, 562)
_rotation
@@ -903,6 +903,57 @@ TX sampling rate
ccc
+
+ hilbert_fc
+
+ beta
+ 6.76
+
+
+ alias
+
+
+
+ comment
+
+
+
+ affinity
+
+
+
+ _enabled
+ True
+
+
+ _coordinate
+ (1323, 602)
+
+
+ _rotation
+ 180
+
+
+ id
+ hilbert_fc_0
+
+
+ maxoutbuf
+ 0
+
+
+ minoutbuf
+ 0
+
+
+ num_taps
+ 65
+
+
+ win
+ firdes.WIN_HAMMING
+
+
parameter
@@ -1159,7 +1210,7 @@ max_modulation_freq = 3000
_coordinate
- (781, 538)
+ (693, 538)
_rotation
@@ -2680,7 +2731,7 @@ max_modulation_freq = 3000
_coordinate
- (590, 562)
+ (494, 562)
_rotation
@@ -3017,11 +3068,11 @@ max_modulation_freq = 3000
_coordinate
- (1004, 458)
+ (1531, 275)
_rotation
- 180
+ 0
id
@@ -3056,7 +3107,7 @@ max_modulation_freq = 3000
_coordinate
- (342, 586)
+ (263, 586)
_rotation
@@ -3238,6 +3289,12 @@ max_modulation_freq = 3000
0
0
+
+ analog_quadrature_demod_cf_0
+ hilbert_fc_0
+ 0
+ 0
+
analog_quadrature_demod_cf_0
satnogs_ogg_encoder_0
@@ -3275,14 +3332,14 @@ max_modulation_freq = 3000
0
- low_pass_filter_0
- analog_quadrature_demod_cf_0
+ hilbert_fc_0
+ freq_xlating_fir_filter_xxx_0_0
0
0
low_pass_filter_0
- freq_xlating_fir_filter_xxx_0_0
+ analog_quadrature_demod_cf_0
0
0