diff --git a/app/src/main/java/com/rtbishop/look4sat/framework/api/SatDataRemote.kt b/app/src/main/java/com/rtbishop/look4sat/framework/api/SatDataRemote.kt
index dadf0ccc..efc6b70b 100644
--- a/app/src/main/java/com/rtbishop/look4sat/framework/api/SatDataRemote.kt
+++ b/app/src/main/java/com/rtbishop/look4sat/framework/api/SatDataRemote.kt
@@ -1,3 +1,20 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.rtbishop.look4sat.framework.api
 
 import com.rtbishop.look4sat.data.SatDataRemoteSource
diff --git a/app/src/main/java/com/rtbishop/look4sat/framework/db/SatDataLocal.kt b/app/src/main/java/com/rtbishop/look4sat/framework/db/SatDataLocal.kt
index 8b5ae24c..93410fd1 100644
--- a/app/src/main/java/com/rtbishop/look4sat/framework/db/SatDataLocal.kt
+++ b/app/src/main/java/com/rtbishop/look4sat/framework/db/SatDataLocal.kt
@@ -1,3 +1,20 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.rtbishop.look4sat.framework.db
 
 import com.rtbishop.look4sat.data.SatDataLocalSource
diff --git a/app/src/main/java/com/rtbishop/look4sat/framework/model/OMM.kt b/app/src/main/java/com/rtbishop/look4sat/framework/model/OMM.kt
index 920fad29..468db128 100644
--- a/app/src/main/java/com/rtbishop/look4sat/framework/model/OMM.kt
+++ b/app/src/main/java/com/rtbishop/look4sat/framework/model/OMM.kt
@@ -1,3 +1,20 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.rtbishop.look4sat.framework.model
 
 import com.squareup.moshi.Json
diff --git a/app/src/main/java/com/rtbishop/look4sat/framework/model/SatData.kt b/app/src/main/java/com/rtbishop/look4sat/framework/model/SatData.kt
index b558504c..474b4f41 100644
--- a/app/src/main/java/com/rtbishop/look4sat/framework/model/SatData.kt
+++ b/app/src/main/java/com/rtbishop/look4sat/framework/model/SatData.kt
@@ -1,3 +1,20 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.rtbishop.look4sat.framework.model
 
 import com.rtbishop.look4sat.domain.predict4kotlin.Position
diff --git a/app/src/main/java/com/rtbishop/look4sat/utility/DataMapper.kt b/app/src/main/java/com/rtbishop/look4sat/utility/DataMapper.kt
index 71f8b833..9f2b1bbf 100644
--- a/app/src/main/java/com/rtbishop/look4sat/utility/DataMapper.kt
+++ b/app/src/main/java/com/rtbishop/look4sat/utility/DataMapper.kt
@@ -1,3 +1,20 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.rtbishop.look4sat.utility
 
 import com.rtbishop.look4sat.framework.model.SatEntry
diff --git a/core/src/main/java/com/rtbishop/look4sat/data/PreferencesSource.kt b/core/src/main/java/com/rtbishop/look4sat/data/PreferencesSource.kt
index c0fa79ff..757ae301 100644
--- a/core/src/main/java/com/rtbishop/look4sat/data/PreferencesSource.kt
+++ b/core/src/main/java/com/rtbishop/look4sat/data/PreferencesSource.kt
@@ -1,3 +1,20 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.rtbishop.look4sat.data
 
 import com.rtbishop.look4sat.domain.predict4kotlin.StationPosition
diff --git a/core/src/main/java/com/rtbishop/look4sat/data/SatDataLocalSource.kt b/core/src/main/java/com/rtbishop/look4sat/data/SatDataLocalSource.kt
index 5ac004c6..2c5d29f7 100644
--- a/core/src/main/java/com/rtbishop/look4sat/data/SatDataLocalSource.kt
+++ b/core/src/main/java/com/rtbishop/look4sat/data/SatDataLocalSource.kt
@@ -1,3 +1,20 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.rtbishop.look4sat.data
 
 import com.rtbishop.look4sat.domain.model.SatEntry
diff --git a/core/src/main/java/com/rtbishop/look4sat/data/SatDataRemoteSource.kt b/core/src/main/java/com/rtbishop/look4sat/data/SatDataRemoteSource.kt
index 927527c1..c015aa15 100644
--- a/core/src/main/java/com/rtbishop/look4sat/data/SatDataRemoteSource.kt
+++ b/core/src/main/java/com/rtbishop/look4sat/data/SatDataRemoteSource.kt
@@ -1,3 +1,20 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.rtbishop.look4sat.data
 
 import com.rtbishop.look4sat.domain.model.SatTrans
diff --git a/core/src/main/java/com/rtbishop/look4sat/data/SatDataRepository.kt b/core/src/main/java/com/rtbishop/look4sat/data/SatDataRepository.kt
index 388fbac0..57fd50f9 100644
--- a/core/src/main/java/com/rtbishop/look4sat/data/SatDataRepository.kt
+++ b/core/src/main/java/com/rtbishop/look4sat/data/SatDataRepository.kt
@@ -1,3 +1,20 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.rtbishop.look4sat.data
 
 import com.rtbishop.look4sat.domain.model.SatEntry
diff --git a/core/src/main/java/com/rtbishop/look4sat/domain/model/SatEntry.kt b/core/src/main/java/com/rtbishop/look4sat/domain/model/SatEntry.kt
index 1f16a42e..cf47dfe6 100644
--- a/core/src/main/java/com/rtbishop/look4sat/domain/model/SatEntry.kt
+++ b/core/src/main/java/com/rtbishop/look4sat/domain/model/SatEntry.kt
@@ -1,3 +1,20 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.rtbishop.look4sat.domain.model
 
 import com.rtbishop.look4sat.domain.predict4kotlin.TLE
diff --git a/core/src/main/java/com/rtbishop/look4sat/domain/model/SatItem.kt b/core/src/main/java/com/rtbishop/look4sat/domain/model/SatItem.kt
index 7d84d1d2..cd6ca592 100644
--- a/core/src/main/java/com/rtbishop/look4sat/domain/model/SatItem.kt
+++ b/core/src/main/java/com/rtbishop/look4sat/domain/model/SatItem.kt
@@ -1,3 +1,20 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.rtbishop.look4sat.domain.model
 
 data class SatItem(
diff --git a/core/src/main/java/com/rtbishop/look4sat/domain/model/SatTrans.kt b/core/src/main/java/com/rtbishop/look4sat/domain/model/SatTrans.kt
index 5daaf9b5..b664fa02 100644
--- a/core/src/main/java/com/rtbishop/look4sat/domain/model/SatTrans.kt
+++ b/core/src/main/java/com/rtbishop/look4sat/domain/model/SatTrans.kt
@@ -1,3 +1,20 @@
+/*
+ * Look4Sat. Amateur radio satellite tracker and pass predictor.
+ * Copyright (C) 2019-2021 Arty Bishop (bishop.arty@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.rtbishop.look4sat.domain.model
 
 data class SatTrans(