Move PDFs and link them from /docs/resources.rst

Closes #102
Closes #103

Author: pietern

README.md

@@ -173,13 +173,14 @@ convert -loop 0 -delay 50 *.png GOES15_FD_VS_20170821.gif
 
 ## Resources
 
-All PDFs at http://www.noaasis.noaa.gov/LRIT/pdf-files/ are useful, in
-particular the receiver specs, transmitter specs, and mission data
-documents.
-
-* [LRIT Receiver Specs](./docs/LRIT_Receiver_Specs.pdf)
-* [LRIT Transmitter Specs](./docs/LRIT_Transmitter_Specs.pdf)
-* [LRIT Mission Specific Data](./docs/LRIT_Mission_Specific_Data.pdf)
+Because HRIT is similar to LRIT at a higher baud rate, documentation for
+LRIT is also relevant for HRIT. The documents below used to be hosted
+by NOAA until ~2020. They're mirrored here for posterity (thanks @gojimmypi;
+see https://github.com/pietern/goestools/pull/102).
+
+* [LRIT Receiver Specification](./docs/files/3_LRIT_Receiver-specs.pdf)
+* [LRIT Transmitter Specification](./docs/files/4_LRIT_Transmitter-specs.pdf)
+* [LRIT Mission Specific Data](./docs/files/5_LRIT_Mission-data.pdf)
 
 Also, these blog series:
 

docs/LRIT_Receiver_Specs.pdf renamed to docs/files/3_LRIT_Receiver-specs.pdf

@@ -16,15 +16,13 @@ About the satellites and the signals (GOES-R series):
   * https://www.goes-r.gov/users/grb.html
   * https://www.goes-r.gov/users/docs/GRB_downlink.pdf
 
-Since HRIT is a higher baud rate LRIT, all the docs about the LRIT
-signal and file format still apply:
-
-* http://www.noaasis.noaa.gov/LRIT/pdf-files/3_LRIT_Receiver-specs.pdf
-* http://www.noaasis.noaa.gov/LRIT/pdf-files/4_LRIT_Transmitter-specs.pdf
-* http://www.noaasis.noaa.gov/LRIT/pdf-files/5_LRIT_Mission-data.pdf
-* All PDFs at http://www.noaasis.noaa.gov/LRIT/pdf-files/ are useful,
-  in particular the receiver specs, transmitter specs, and mission
-  data documents.
+Because HRIT is similar to LRIT at a higher baud rate, documentation for
+LRIT is also relevant for HRIT. The documents below used to be hosted
+by NOAA until ~2020. They're mirrored here for posterity.
+
+* :download:`3_LRIT_Receiver-specs.pdf <files/3_LRIT_Receiver-specs.pdf>`
+* :download:`4_LRIT_Transmitter-specs.pdf <files/4_LRIT_Transmitter-specs.pdf>`
+* :download:`5_LRIT_Mission-data.pdf <files/5_LRIT_Mission-data.pdf>`
 
 The blog series by Lucas Teske is a great resource: