Improved layout

boards/uniboard2c/images/images.txt

-Image name                                          | Date          | Author               | Usage
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-unb2c_test_heater-r6825a1822                        | 2021-12-10    | R vd Walle           | See, $UPE_GEAR/peripherals/util_heater.py.
+Purpose: List of kept and used UniBoard2c Firmware FPGA images (rbf + sof in tar.gz)
 
-unb2c_test_1GbE_I-r7dbc0316d.tar.gz                 | 2022-12-10    | E. Kooistra          | See, $UPE_GEAR/peripherals/tc_unb2_test_eth.py
-unb2c_test_1GbE_II-rac961afe2.tar.gz                | 2022-12-20    | E. Kooistra          | See, $UPE_GEAR/peripherals/tc_unb2_test_eth.py
+Authors:
+* RW = R vd Walle
+* EK = E. Kooistra
+* PD = P. Donker
+* JH = J. Hargreaves
+
+Image name                                      | Date       |Author| Usage
+---------------------------------------------------------------------------please-keep-line-length-within-120-char------
+unb2c_test_heater-r6825a1822                    | 2021-12-10 | RW   | See, $UPE_GEAR/peripherals/util_heater.py.
+
+unb2c_test_1GbE_I-r7dbc0316d.tar.gz             | 2022-12-10 | EK   | See, $UPE_GEAR/peripherals/tc_unb2_test_eth.py
+unb2c_test_1GbE_II-rac961afe2.tar.gz            | 2022-12-20 | EK   | See, $UPE_GEAR/peripherals/tc_unb2_test_eth.py
 
 
 
@@ -15,3 +23,15 @@ Example:
 
 # Extract tar.gz file:
 > tar -xvzf unb2c_test_1GbE_I-r7dbc0316d.tar.gz
+
+# Actual compression factor depends on the image and varies between about 2 and 10:
+# . Factor (22445724 + 37210805) / 4185128 = 14.2:
+-rw-rw-r-- 1 kooistra kooistra  4185128 Dec 13  2022 unb2c_test_1GbE_I-r7dbc0316d.tar.gz
+-rw-rw-r-- 1 kooistra kooistra 22445724 Dec 12  2022 unb2c_test_1GbE_I.rbf
+-rw-rw-r-- 1 kooistra kooistra 37210805 Dec 12  2022 unb2c_test_1GbE_I.sof
+
+# . Factor (22723588 + 37179056) / 29576001 = 2.0:
+-rw-rw-r-- 1 kooistra kooistra 29576001 Jan  4  2022 unb2c_test_heater-r6825a1822.tar.gz
+-rw-rw-r-- 1 kooistra kooistra 22723588 Dec 14  2021 unb2c_test_heater-r6825a1822.rbf
+-rw-rw-r-- 1 kooistra kooistra 37179056 Dec 10  2021 unb2c_test_heater-r6825a1822.sof
+