DR#	Date of Occurrence GPS Week/Day(s)	Documents
1	W1321 D4 (5/5/2005)	DR 1 ZLA C&V Failure.pdf
2	W1321 D6 (5/7/2005)	DR 2 type 6.pdf
3	W1322 D0 (5/8/2005)	DR 3 Iono Storm May 8 2005.pdf
4	W1322 D1 (5/9/2005)	DR 4 SV 2 outage May 9 2005.pdf
5	W1322 D2 (5/10/2005)	DR 5 SV 6 outage May 10 2005.pdf
6	W1323 D0 (5/15/2005)	DR 6 SV 27 DNU update.pdf
7	W1326 D0 (6/5/2005)	DR 7 - IGP 95W40N.pdf
8	W1327 D(s)0,1 (6/12,13/2005)	DR 8 Iono Storm June 12 2005.pdf
9	W1328 D2 (6/21/2005)	DR 9 TTA failure and type 6.pdf
10	W1329 D0 (6/26/2005)	DR 10 POR SIS Outage.pdf
11	W1330 D0 (7/3/2005)	DR 11 two IGPs in storm state.pdf
12	W1330 D6 (7/9/2005)	DR 12 UPM trip at Juneau causes NPA outage in the POR service area.pdf
13	N/A
14	W1334 D1 (8/1/2005)	DR 14 Availability loss due to UDRE increase in PRN 14.pdf
15	W1336 D0 (8/14/2005)	DR 15 garbled message - not monitored .pdf
16	W1338 D0 (8/28/2005)	DR 16 POR service outage after GUS switch.pdf
17	W1338 D3 (8/31/2005)	DR 17 WAAS service outage after GUS switch.pdf
18	W1340 D1 (9/12/2005)	DR 18 Miami Thread 3 WAAS G2 Receiver (CRR) sending WAAS navigation message with incorrect time received.pdf
19	W1338 D1 (8/29/2005) W1338 D4 (9/1/2005) W1339 D1 (9/5/2005)	DR 19 Inaccurate GPS satellite measurements from Houston and Chicago G2 rcvrs.pdf
20	W1341 D1 (9/19/2005)	DR 20 - SIS Outage OD race condition.pdf
21	N/A
22	W1351 D6 (12/3/2005)	DR 22 POR Message Gaps caused TTA Monitor Trip & Loss of PA&NPA Service.pdf
23	W1351 D4 (12/1/2005)	DR 23 High numbers of SV alerts in both AORW and POR.pdf
24	W1359 D1 (1/23/2006)	DR 24 Multiple POR Geo gaps after 2 POR GUS switchovers.pdf
25	W1363 D3 (2/22/2006)	DR 25 Extended POR Signal-in-Space Outage after Communication failure.pdf
26	W1362 D4 (2/16/2006)	DR 26 Near-Simultaneous GUS Failures Caused AOR-W SIS Outage.pdf
27	W1376 D0 (5/23/2006)	DR 27 IGPs around Hawaii set to Do Not Use.pdf
28	W1364 D5 (3/3/2006) W1365 D(s)0,1,2 (3/5,6,7/2006)	DR 28 ZDC C&V Faulted Repeatedly.pdf
29	W1360 D4 (2/2/2006)	DR 29 Localized Loss of Availability Over Central CONUS.pdf
30	W1361 D4 (2/9/2006)	DR 30 Loss of Availability due to Satellite Maintenance, SV 5 (NANU 2006013).pdf
31	W1365 D6 (3/11/2006)	DR 31 Loss of Availability due to Extended Satellite Maintenance on SV 30 (NANU 2006020).pdf
32	W1367 D3 (3/22/2006)	DR 32 Loss of Availability Due to Extended Signal-in-Space (SIS) Outage.pdf
33	W1376 D5 (5/26/2006)	DR 33 Loss of Service, SV 13, NANU 2006047.pdf
34	W1377 D2 (5/30/2006)	DR 34 Clarksburg GUS Failure.pdf
35	W1376 D4 (5/25/2006)	DR 35 Extended AORW Signal-in-Space Outage after equipment failure.pdf
36	W1379 D6 (6/17/2006) W1380 D(s)0-1 (6/18-19/2006)	DR 36 AORW SNR Drops.pdf
37	W1380 D6 (6/24/2006)	DR 37 C&V failure at ZDC and ZLA.pdf
38	W1383 D0 (7/9/2006)	DR 38 False RDM & UPM monitor at ZDC C&V.pdf
39	W1369 D1 (10/9/2006)	DR 39 AOR-W switchover and extended SIS outage.pdf
40	W1400 D0 (11/5/2006)	DR 40 Type 0 Messages After C&V Faults.pdf
41	W1398 D4 (10/26/2006)	DR 41 WAAS Ionospheric Grid Points (IGP) set to Do Not Use.pdf
42	W1400 D(s)2-6 (11/7-12/2006) W1401 D1 (11/13/2006)	DR 42 - SV 5 outage, NANU 2006145.pdf
43	W1403 D3 (11/29/2006)	DR 43 Switchover followed by Signal-in-Space (SIS) outage in CRW.pdf
44	W1404 D0 (12/3/2006)	DR 44 Signal-in-Space (SIS) outage in CRW.pdf
45	W1403 D5 (12/1/2006)	DR 45 AOR-W switchover and extended SIS outage.pdf
46	W1404 D1 (12/4/2006)	DR 46 4 seconds initialization in AORW, POR and CRW.pdf
47	W1399 D0 (10/29/2006)	DR 47 Iono Scintillation at Fairbanks.pdf
48	W1412 D5 (2/2/2007)	DR 48 CRW Switchover and Extended SIS Outage.pdf
49	W1416 D3 (2/28/2007)	DR 49 GUS Switchover in CRW caused by Serial Port and M&C Communication failure.pdf
50	W1408 D3 (1/3/2007)	DR 50 Loss of Northwest coverage due to 3 satellites being set to Not Monitored.pdf
51	W1419 D6 (3/24/2007)	DR51 Loss of LPV service area in Alaska due to IGP GIVE set to 15.pdf
52	W1420 D5 (3/30/2007)	DR 52 Ionospheric Scintillation caused High Position Errors at Fairbanks.pdf
53	W1419 D6 (3/24/2007)	DR 53 Iono Scintillation at Juneau.pdf
54	W1421 D0 (4/1/2007)	DR 54 POR SV Alert Did Not Change UDREI's.pdf
55	W1422 D2-3 (4/10-11/2007)	DR 55 GPS satellite PRN 18 anomaly affecting SPS performance.pdf
56	W1421 D4 – W1425 D5 (4/5/2007 – 5/4/2007)	DR 56 Loss of 100 percent WAAS availability in southwest CONUS region.pdf
57	W1424 D4 (4/26/2007)	DR 57 Inconsistent satellite tracking of PRN 25 at non-G2 WAAS receivers following NANU 2007060.pdf
58	W1426 D3 (5/9/2007)	DR 58 Communication fault caused selected C&V source switch on CRW GUS.pdf
59	W1430 D6 (6/9/2007)	DR 59 POR GEO pointing error caused SIS degradation and outage.pdf
60	W1432 D4 (6/21/2007	DR 60 ZDC C&V fault followed by GEO initialization.pdf
61	W1433 D4 (6/28/2007)	DR 61 ZDC C&V fault followed by GEO initialization.pdf
62	W1421 D1 (4/2/2007)	DR 62 Ionospheric scintillation that caused high errors and alarm condition.pdf (Report is pending)
63	W1438 D2 (7/31/2007)	DR 63 WAAS set all satellite and IGP's to Not Monitored.pdf (Report is pending)
64	W1458 D3 (12/19/2007)	DR 64 SV PRN 27 Unexpectedly Set to Not Monitored.pdf (Report is pending)
65	W1448 D1 (10/8/2007)	DR 65 Three Unforcasted GPS Satellite Outages Caused Reduced Ranging Availability.pdf
66	W1448 D1 – W1448 D3 (10/8/2007 to 10/10/2007)	DR 66 WAAS Observations of GPS AEP Upload to IIRM Satellites.pdf
67	W1468 D4 (2/28/2008)	DR 67 GIVE Monitor Trips Set IGPs to Storm State in Alaska Region.pdf
68	W1473 D3 (4/2/2008)	DR 68 Satellite Outages Caused Loss of Availability in CONUS Region.pdf
69	W1467 D0 (2/17/08)	DR 69 Alaska Communications Outage Caused Loss of Alaska LPV Service.pdf (Report is pending)