diff --git a/docs/acquisition.rst b/docs/acquisition.rst
index fdaab29..a967040 100644
--- a/docs/acquisition.rst
+++ b/docs/acquisition.rst
@@ -24,16 +24,13 @@ length of 1,023 chips at a chipping rate of 1.023 MHz).
 
 .. ipython::
 
-  @suppress
-  In [24]: %cd ..
-
   In [1]: import peregrine.acquisition
 
   In [1]: import peregrine.samples
 
   In [2]: import peregrine.analysis.acquisition
 
-  In [2]: samps = peregrine.samples.load_samples("tests/test_samples.dat")
+  In [2]: samps = peregrine.samples.load_samples("../tests/test_samples.dat")
 
   In [2]: acq = peregrine.acquisition.Acquisition(samps, 16.368e6, 4.092e6, 16368)
 
@@ -80,9 +77,9 @@ Acquisition results can be saved and loaded from a file using the
 
 .. ipython::
 
-  In [22]: peregrine.acquisition.save_acq_results("tests/test.acq_results", res)
+  In [22]: peregrine.acquisition.save_acq_results("../tests/test.acq_results", res)
 
-  In [22]: res2 = peregrine.acquisition.load_acq_results("tests/test.acq_results")
+  In [22]: res2 = peregrine.acquisition.load_acq_results("../tests/test.acq_results")
 
   In [13]: peregrine.analysis.acquisition.acq_table(res2)
 
diff --git a/docs/samples.rst b/docs/samples.rst
index b7c70ab..7a298c2 100644
--- a/docs/samples.rst
+++ b/docs/samples.rst
@@ -85,14 +85,11 @@ analysing and plotting sample data.
 
 .. ipython::
 
-  @suppress
-  In [24]: %cd ..
-
   In [1]: import peregrine.samples
 
   In [2]: import peregrine.analysis.samples
 
-  In [3]: samps = peregrine.samples.load_samples("tests/test_samples.dat")
+  In [3]: samps = peregrine.samples.load_samples("../tests/test_samples.dat")
 
   @savefig samples_analysis_summary.png width=75% align=center
   In [13]: peregrine.analysis.samples.summary(samps, 16.368e6)
diff --git a/tests/test.acq_results b/tests/test.acq_results
index 1641a79..35d0d7b 100644
--- a/tests/test.acq_results
+++ b/tests/test.acq_results
@@ -39,7 +39,7 @@ sS'snr'
 p17
 g6
 (g10
-S'\x1bX\x0c\x99\x0b}/@'
+S'\x1eX\x0c\x99\x0b}/@'
 p18
 tp19
 Rp20
@@ -73,7 +73,7 @@ I1
 sg17
 g6
 (g10
-S'\xd7\x12\xc3\r\x94\xf98@'
+S'\xd8\x12\xc3\r\x94\xf98@'
 p32
 tp33
 Rp34
@@ -104,7 +104,7 @@ I2
 sg17
 g6
 (g10
-S"04A\rb\xab'@"
+S"14A\rb\xab'@"
 p43
 tp44
 Rp45
@@ -135,7 +135,7 @@ I3
 sg17
 g6
 (g10
-S'\x1d\x17S]bf(@'
+S'\x1e\x17S]bf(@'
 p54
 tp55
 Rp56
@@ -166,7 +166,7 @@ I4
 sg17
 g6
 (g10
-S'\xf9c\xe4D>\xb0&@'
+S'\xf4c\xe4D>\xb0&@'
 p65
 tp66
 Rp67
@@ -197,7 +197,7 @@ I5
 sg17
 g6
 (g10
-S'\xeaQ\xf1\x9ay\x17)@'
+S'\xe5Q\xf1\x9ay\x17)@'
 p76
 tp77
 Rp78
@@ -228,7 +228,7 @@ I6
 sg17
 g6
 (g10
-S"3ex\xfb\xd8U'@"
+S"0ex\xfb\xd8U'@"
 p87
 tp88
 Rp89
@@ -259,7 +259,7 @@ I7
 sg17
 g6
 (g10
-S'\xf8\xdaz\xc8[\xa8,@'
+S'\xf7\xdaz\xc8[\xa8,@'
 p98
 tp99
 Rp100
@@ -290,7 +290,7 @@ I8
 sg17
 g6
 (g10
-S'$R>\x8c\xed\n5@'
+S'"R>\x8c\xed\n5@'
 p109
 tp110
 Rp111
@@ -321,7 +321,7 @@ I9
 sg17
 g6
 (g10
-S'\xcc&\x7ft\xa7\xb6$@'
+S'\xcd&\x7ft\xa7\xb6$@'
 p120
 tp121
 Rp122
@@ -352,7 +352,7 @@ I10
 sg17
 g6
 (g10
-S'[p\x06@\xdc\xa1%@'
+S'\\p\x06@\xdc\xa1%@'
 p131
 tp132
 Rp133
@@ -414,7 +414,7 @@ I12
 sg17
 g6
 (g10
-S"\x1e\x99\xc0'<\xe3%@"
+S"\x1c\x99\xc0'<\xe3%@"
 p153
 tp154
 Rp155
@@ -538,7 +538,7 @@ I16
 sg17
 g6
 (g10
-S"`\xaf\x00\xae\xee\xf7'@"
+S"b\xaf\x00\xae\xee\xf7'@"
 p197
 tp198
 Rp199
@@ -569,7 +569,7 @@ I17
 sg17
 g6
 (g10
-S"\xcc!\x05\x02#\x80'@"
+S"\xc8!\x05\x02#\x80'@"
 p208
 tp209
 Rp210
@@ -600,7 +600,7 @@ I18
 sg17
 g6
 (g10
-S'\t\xe3\xaec\xe2\x9b+@'
+S'\x08\xe3\xaec\xe2\x9b+@'
 p219
 tp220
 Rp221
@@ -631,7 +631,7 @@ I19
 sg17
 g6
 (g10
-S'\x14\xac\x9f\xf1\x84|%@'
+S'\x13\xac\x9f\xf1\x84|%@'
 p230
 tp231
 Rp232
@@ -662,7 +662,7 @@ I20
 sg17
 g6
 (g10
-S"\x99\x02\xa0r\x85T'@"
+S"\x9b\x02\xa0r\x85T'@"
 p241
 tp242
 Rp243
@@ -693,7 +693,7 @@ I21
 sg17
 g6
 (g10
-S'[\xbd]~\xd5\xaf-@'
+S'`\xbd]~\xd5\xaf-@'
 p252
 tp253
 Rp254
@@ -724,7 +724,7 @@ I22
 sg17
 g6
 (g10
-S'\x00]2\xd1\xd5\xc6$@'
+S'\x02]2\xd1\xd5\xc6$@'
 p263
 tp264
 Rp265
@@ -786,7 +786,7 @@ I24
 sg17
 g6
 (g10
-S"=\xfcsz9\x8c'@"
+S"B\xfcsz9\x8c'@"
 p285
 tp286
 Rp287
@@ -817,7 +817,7 @@ I25
 sg17
 g6
 (g10
-S'\xaa\\w\xf1\x98\xba-@'
+S'\xab\\w\xf1\x98\xba-@'
 p296
 tp297
 Rp298
@@ -848,7 +848,7 @@ I26
 sg17
 g6
 (g10
-S'\x18\xda1\xa8\xe54+@'
+S' \xda1\xa8\xe54+@'
 p307
 tp308
 Rp309
@@ -879,7 +879,7 @@ I27
 sg17
 g6
 (g10
-S'\rk\xa1\xd8E\xa0&@'
+S'\x13k\xa1\xd8E\xa0&@'
 p318
 tp319
 Rp320
@@ -910,7 +910,7 @@ I28
 sg17
 g6
 (g10
-S"'\xac\x05\x96\x04w*@"
+S'%\xac\x05\x96\x04w*@'
 p329
 tp330
 Rp331
@@ -941,7 +941,7 @@ I29
 sg17
 g6
 (g10
-S'`\x1fK\x08u[&@'
+S'^\x1fK\x08u[&@'
 p340
 tp341
 Rp342
@@ -972,7 +972,7 @@ I30
 sg17
 g6
 (g10
-S'\xa0\xe1\xdc\xe0 y*@'
+S'\x9f\xe1\xdc\xe0 y*@'
 p351
 tp352
 Rp353
@@ -1003,7 +1003,7 @@ I31
 sg17
 g6
 (g10
-S'\x14\xd7\xf6\xad\xcd\x1b(@'
+S'\x11\xd7\xf6\xad\xcd\x1b(@'
 p362
 tp363
 Rp364