diff --git a/astro/gpstk/Makefile b/astro/gpstk/Makefile
index 5f3f39376462..d62204f3329a 100644
--- a/astro/gpstk/Makefile
+++ b/astro/gpstk/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	gpstk
-PORTVERSION=	3.0.0
+PORTVERSION=	8.0.0
 DISTVERSIONPREFIX=	v
 CATEGORIES=	astro devel
 
diff --git a/astro/gpstk/distinfo b/astro/gpstk/distinfo
index fc472c4173e2..75fd08e06a28 100644
--- a/astro/gpstk/distinfo
+++ b/astro/gpstk/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1586777913
-SHA256 (SGL-UT-GPSTk-v3.0.0_GH0.tar.gz) = fe45c79537d263eb145623c456a0d0bf79acd0ac8dd79136d6b5610aa26055e4
-SIZE (SGL-UT-GPSTk-v3.0.0_GH0.tar.gz) = 128460479
+TIMESTAMP = 1607528186
+SHA256 (SGL-UT-GPSTk-v8.0.0_GH0.tar.gz) = 57c66595f5d9e69127e536580cf7a9b98a194cecaa326abf29320a85f61cf1bf
+SIZE (SGL-UT-GPSTk-v8.0.0_GH0.tar.gz) = 128530384
diff --git a/astro/gpstk/pkg-plist b/astro/gpstk/pkg-plist
index 53f14ea2896f..a7692180f96c 100644
--- a/astro/gpstk/pkg-plist
+++ b/astro/gpstk/pkg-plist
@@ -17,6 +17,7 @@ bin/rnwdiff
 bin/rowcheck
 bin/rowdiff
 bin/scanBrdcFile
+bin/smdscheck
 bin/timeconvert
 bin/timediff
 include/gpstk/ANSITime.hpp
@@ -39,6 +40,7 @@ include/gpstk/CNavEmptyFilter.hpp
 include/gpstk/CNavFilterData.hpp
 include/gpstk/CNavParityFilter.hpp
 include/gpstk/CNavTOWFilter.hpp
+include/gpstk/CarrierBand.hpp
 include/gpstk/CivilTime.hpp
 include/gpstk/ClockModel.hpp
 include/gpstk/ClockSatStore.hpp
@@ -50,10 +52,12 @@ include/gpstk/CommandOptionWithCommonTimeArg.hpp
 include/gpstk/CommandOptionWithPositionArg.hpp
 include/gpstk/CommandOptionWithTimeArg.hpp
 include/gpstk/CommonTime.hpp
+include/gpstk/DeprecatedConsts.hpp
 include/gpstk/EllipsoidModel.hpp
 include/gpstk/EngAlmanac.hpp
 include/gpstk/EngEphemeris.hpp
 include/gpstk/EngNav.hpp
+include/gpstk/EnumIterator.hpp
 include/gpstk/EphemerisRange.hpp
 include/gpstk/Epoch.hpp
 include/gpstk/EpochClockModel.hpp
@@ -69,8 +73,11 @@ include/gpstk/FileFilterFrame.hpp
 include/gpstk/FileFilterFrameWithHeader.hpp
 include/gpstk/FileHunter.hpp
 include/gpstk/FileSpec.hpp
+include/gpstk/FileSpecFind.hpp
 include/gpstk/FileStore.hpp
 include/gpstk/FileUtils.hpp
+include/gpstk/FormattedDouble.hpp
+include/gpstk/FreqConsts.hpp
 include/gpstk/GALWeekSecond.hpp
 include/gpstk/GCATTropModel.hpp
 include/gpstk/GGHeightTropModel.hpp
@@ -86,6 +93,7 @@ include/gpstk/GPSZcount.hpp
 include/gpstk/GPS_URA.hpp
 include/gpstk/GalEphemeris.hpp
 include/gpstk/GalileoEllipsoid.hpp
+include/gpstk/GenericNavFilterData.hpp
 include/gpstk/GloEphemeris.hpp
 include/gpstk/GloEphemerisStore.hpp
 include/gpstk/GlobalTropModel.hpp
@@ -125,14 +133,19 @@ include/gpstk/NavFilter.hpp
 include/gpstk/NavFilterKey.hpp
 include/gpstk/NavFilterMgr.hpp
 include/gpstk/NavID.hpp
+include/gpstk/NavMsgData.hpp
+include/gpstk/NavMsgDataBits.hpp
+include/gpstk/NavMsgDataPNB.hpp
+include/gpstk/NavMsgDataWords.hpp
 include/gpstk/NavOrderFilter.hpp
+include/gpstk/NavType.hpp
 include/gpstk/NeillTropModel.hpp
 include/gpstk/ORDEpoch.hpp
 include/gpstk/ObsClockModel.hpp
 include/gpstk/ObsEpochMap.hpp
 include/gpstk/ObsID.hpp
-include/gpstk/ObsIDInitializer.hpp
 include/gpstk/ObsRngDev.hpp
+include/gpstk/ObservationType.hpp
 include/gpstk/OrbElem.hpp
 include/gpstk/OrbElemBase.hpp
 include/gpstk/OrbElemRinex.hpp
@@ -146,9 +159,11 @@ include/gpstk/PolyFit.hpp
 include/gpstk/Position.hpp
 include/gpstk/PositionSatStore.hpp
 include/gpstk/PosixTime.hpp
+include/gpstk/PowerSum.hpp
 include/gpstk/QZSEphemeris.hpp
 include/gpstk/QZSWeekSecond.hpp
 include/gpstk/RACRotation.hpp
+include/gpstk/RNDouble.hpp
 include/gpstk/RTFileFrame.hpp
 include/gpstk/RationalizeRinexNav.hpp
 include/gpstk/ReferenceFrame.hpp
@@ -200,6 +215,10 @@ include/gpstk/SP3Stream.hpp
 include/gpstk/SVNumXRef.hpp
 include/gpstk/SaasTropModel.hpp
 include/gpstk/SatID.hpp
+include/gpstk/SatMetaData.hpp
+include/gpstk/SatMetaDataSort.hpp
+include/gpstk/SatMetaDataStore.hpp
+include/gpstk/SatelliteSystem.hpp
 include/gpstk/SimpleTropModel.hpp
 include/gpstk/SinexBase.hpp
 include/gpstk/SinexBlock.hpp
@@ -220,6 +239,7 @@ include/gpstk/TimeString.hpp
 include/gpstk/TimeSystem.hpp
 include/gpstk/TimeSystemCorr.hpp
 include/gpstk/TimeTag.hpp
+include/gpstk/TrackingCode.hpp
 include/gpstk/Triple.hpp
 include/gpstk/TropModel.hpp
 include/gpstk/UnixTime.hpp
@@ -259,12 +279,16 @@ share/cmake/GPSTK/GPSTKTargets.cmake
 %%PORTDOCS%%%%DOCSDIR%%/DOCUMENTATION.md
 %%PORTDOCS%%%%DOCSDIR%%/INSTALL.md
 %%PORTDOCS%%%%DOCSDIR%%/LICENSE.md
-%%PORTDOCS%%%%DOCSDIR%%/NEWS.md
 %%PORTDOCS%%%%DOCSDIR%%/PYTHON.md
 %%PORTDOCS%%%%DOCSDIR%%/README.md
 %%PORTDOCS%%%%DOCSDIR%%/RELNOTES.md
 %%PORTDOCS%%%%DOCSDIR%%/TESTING.md
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/CMakeLists.txt
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/CommandOption1.cpp
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/CommandOption2.cpp
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/CommandOption3.cpp
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/CommandOption4.cpp
+%%PORTEXAMPLES%%%%EXAMPLESDIR%%/CommandOption5.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/DE405.EPH
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/OCEAN-GOT00.dat
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/PRN_GPS