diff --git a/CHANGELOG.md b/CHANGELOG.md
index 50a3aceb..6849dbb1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 Starting from v2.2.5, all notable changes to this project will be documented in this file.
 
+## v3.5.0
+
+### New Features
+
+- Provide an option to disable MiniSEED compression.
+
 ## v3.4.6
 
 ### Bug Fixes
diff --git a/VERSION b/VERSION
index d0ec26c7..c0c4025d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-v3.4.6
+v3.5.0
diff --git a/build/assets/config.json b/build/assets/config.json
index 30ee5565..239c6ddd 100644
--- a/build/assets/config.json
+++ b/build/assets/config.json
@@ -20,8 +20,8 @@
         "frequency": 4.5,
         "sensitivity": 28.8,
         "velocity": true,
-        "vref": 5.0,
-        "fullscale": 10.0,
+        "vref": 2.5,
+        "fullscale": 5.0,
         "resolution": 32
     },
     "stream_settings": {
@@ -63,6 +63,7 @@
         "miniseed": {
             "enable": true,
             "lifecycle": 10,
+            "nocompress": false,
             "path": "/home/user/miniseed"
         },
         "archiver": {
@@ -77,7 +78,8 @@
         "seedlink": {
             "enable": true,
             "host": "0.0.0.0",
-            "port": 18000
+            "port": 18000,
+            "nocompress": false
         },
         "helicorder": {
             "enable": true,
diff --git a/go.mod b/go.mod
index dd5b5305..161a7e22 100644
--- a/go.mod
+++ b/go.mod
@@ -14,7 +14,7 @@ require (
 	github.com/bclswl0827/heligo v0.0.12
 	github.com/bclswl0827/mseedio v1.0.10
 	github.com/bclswl0827/sacio v1.0.6
-	github.com/bclswl0827/slgo v0.0.4
+	github.com/bclswl0827/slgo v0.1.0
 	github.com/bclswl0827/sqlite v1.11.1-0.20240613172512-9e6ac9861470
 	github.com/beevik/ntp v1.4.3
 	github.com/bwmarrin/snowflake v0.3.0
diff --git a/go.sum b/go.sum
index ca9b049c..cebfd8ed 100644
--- a/go.sum
+++ b/go.sum
@@ -55,8 +55,8 @@ github.com/bclswl0827/mseedio v1.0.10 h1:415K2mJCVqAUeuCfTxOuf5tnUVKfptGokroAlM7
 github.com/bclswl0827/mseedio v1.0.10/go.mod h1:G9nOPR8epxb7ihX5pUpvs3HqYZMnMlXc1Ha1WSMWn7s=
 github.com/bclswl0827/sacio v1.0.6 h1:kR6ll6xjoQGO+YVEZvvvbAxKGUD3qUXsyIuQape1+vc=
 github.com/bclswl0827/sacio v1.0.6/go.mod h1:SuiIK7hBHCJvxUOC/rgbJRUO5IoFrEnuCY0xVJ7RyQk=
-github.com/bclswl0827/slgo v0.0.4 h1:WJn0kkQTsGaVJYPnIdDwRgHyEN6FdkIbvBDPxCGk6nU=
-github.com/bclswl0827/slgo v0.0.4/go.mod h1:HlY9zJp3ZxqeS66SoRcnwE/c92Mh4d9Jpeat/68yZhs=
+github.com/bclswl0827/slgo v0.1.0 h1:ndEOFi/3sx56i5AKvex6hSmhvwG8wP2KnwhVFlbpzQ4=
+github.com/bclswl0827/slgo v0.1.0/go.mod h1:HlY9zJp3ZxqeS66SoRcnwE/c92Mh4d9Jpeat/68yZhs=
 github.com/bclswl0827/sqlite v1.11.1-0.20240613172512-9e6ac9861470 h1:VYRieWhizTvSnQ3iJ9cVvB+4go+f/2mTp6CC2MSXnn4=
 github.com/bclswl0827/sqlite v1.11.1-0.20240613172512-9e6ac9861470/go.mod h1:/xElCFPGgTMHBhfSjGBlITMQ/qe6CLTinWdxSbc4oDE=
 github.com/beevik/ntp v1.4.3 h1:PlbTvE5NNy4QHmA4Mg57n7mcFTmr1W1j3gcK7L1lqho=
diff --git a/services/miniseed/start.go b/services/miniseed/start.go
index 888185b7..c2e93cc2 100644
--- a/services/miniseed/start.go
+++ b/services/miniseed/start.go
@@ -35,6 +35,12 @@ func (m *MiniSeedService) Start(options *services.Options, waitGroup *sync.WaitG
 	}
 	m.basePath = basePath.(string)
 
+	noCompress, err := options.Config.Services.GetValue(m.GetServiceName(), "nocompress", "bool")
+	if err != nil {
+		noCompress = false
+	}
+	m.noCompress = noCompress.(bool)
+
 	m.stationCode = options.Config.Stream.Station
 	m.networkCode = options.Config.Stream.Network
 	m.locationCode = options.Config.Stream.Location
diff --git a/services/miniseed/types.go b/services/miniseed/types.go
index 801efc1c..38705f30 100644
--- a/services/miniseed/types.go
+++ b/services/miniseed/types.go
@@ -7,7 +7,6 @@ import (
 
 const (
 	MINISEED_BIT_ORDER        = mseedio.MSBFIRST
-	MINISEED_ENCODE_TYPE      = mseedio.STEIM2
 	MINISEED_WRITE_INTERVAL   = 5
 	MINISEED_CLEANUP_INTERVAL = 3600
 )
@@ -19,6 +18,7 @@ type MiniSeedService struct {
 	writeBufferCountDown int
 	cleanUpCountDown     int
 	lifeCycle            int
+	noCompress           bool
 	basePath             string
 	stationCode          string
 	networkCode          string
diff --git a/services/miniseed/write.go b/services/miniseed/write.go
index 907f1291..033f2bce 100644
--- a/services/miniseed/write.go
+++ b/services/miniseed/write.go
@@ -33,6 +33,10 @@ func (m *MiniSeedService) handleWrite() error {
 	}
 
 	// Write data to file by channels
+	encodeType := mseedio.STEIM2
+	if m.noCompress {
+		encodeType = mseedio.INT32
+	}
 	for _, channelCode := range []string{
 		explorer.EXPLORER_CHANNEL_CODE_Z,
 		explorer.EXPLORER_CHANNEL_CODE_E,
@@ -50,7 +54,7 @@ func (m *MiniSeedService) handleWrite() error {
 			}
 		}
 		var miniseed mseedio.MiniSeedData
-		err := miniseed.Init(MINISEED_ENCODE_TYPE, MINISEED_BIT_ORDER)
+		err := miniseed.Init(encodeType, MINISEED_BIT_ORDER)
 		if err != nil {
 			return err
 		}
diff --git a/services/seedlink/start.go b/services/seedlink/start.go
index 5c16de67..c0638f43 100644
--- a/services/seedlink/start.go
+++ b/services/seedlink/start.go
@@ -34,6 +34,10 @@ func (s *SeedLinkService) Start(options *services.Options, waitGroup *sync.WaitG
 		logger.GetLogger(s.GetServiceName()).Errorln(err)
 		return
 	}
+	noCompress, err := options.Config.Services.GetValue(s.GetServiceName(), "nocompress", "bool")
+	if err != nil {
+		noCompress = false
+	}
 
 	currentTime := options.TimeSource.Get()
 	messageBus := messagebus.New(65535)
@@ -86,7 +90,7 @@ func (s *SeedLinkService) Start(options *services.Options, waitGroup *sync.WaitG
 			serviceName: s.GetServiceName(),
 		},
 	)
-	go server.Start(serverHost.(string), serverPort.(int))
+	go server.Start(serverHost.(string), serverPort.(int), !noCompress.(bool))
 	logger.GetLogger(s.GetServiceName()).Infof("seedlink is listening on %s:%d", serverHost, serverPort)
 
 	logger.GetLogger(s.GetServiceName()).Infoln("service has been started")