diff --git a/Console/Receiver/m4iset_extrig_rms.c b/Console/Receiver/Spectrum Instrumentation m4i.4451/m4iset_extrig_rms.c
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rename to Console/Receiver/Spectrum Instrumentation m4i.4451/m4iset_extrig_rms.c
diff --git a/Console/Receiver/Spectrum Instrumentation m4i.4451/instructions.md b/Console/Receiver/Spectrum Instrumentation m4i.4451/readme.md
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diff --git a/Console/Transmitter/Spectrum instrumentation m4i.6622/instructions.md b/Console/Transmitter/Spectrum instrumentation m4i.6622/instructions.md
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--- a/Console/Transmitter/Spectrum instrumentation m4i.6622/instructions.md	
+++ /dev/null
@@ -1,2 +0,0 @@
-# Software instructions
-
diff --git a/Console/Transmitter/m4iset_8ch.c b/Console/Transmitter/Spectrum instrumentation m4i.6622/m4iset_8ch.c
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diff --git a/Photos/Figure9 - ptx testbed.jpg b/Photos/Figure9 - ptx testbed.jpg
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--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Parallel transmission medical implant safety testbed
 
-![pTx safety testbed](/testbed_photo.png "Testbed photo")
+![pTx safety testbed](/testbed_photo.jpg "Testbed photo")
 
 ## Description
 
diff --git a/RFPA/24VNetzteil.PDF b/RFPA/24VpowerSupply.PDF
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