diff --git a/cookbook/strip_focal_plane.yaml b/cookbook/strip_focal_plane.yaml
new file mode 100644
index 00000000..a72643cc
--- /dev/null
+++ b/cookbook/strip_focal_plane.yaml
@@ -0,0 +1,873 @@
+---
+# Associations between symmetric horns in the focal plane. If an entry in the database for
+# horn X is missing, you can assume it is roughly the same as the entry for horn Y, if they
+# are symmetric.
+pairs:
+    V1: R5
+    V2: R4
+    V3: R3
+    V0: R0
+    V6: R6
+    V5: R1
+    V4: R2
+
+    B1: O5
+    B2: O4
+    B3: O3
+    B0: O0
+    B6: O6
+    B5: O1
+    B4: O2
+
+    G1: Y5
+    G2: Y4
+    G3: Y3
+    G0: Y0
+    G6: Y6
+    G5: Y1
+    G4: Y2
+
+# The 49 STRIP Q-band horns
+horns:
+    I0:
+        id: 0
+        module_id: 0
+        polarizer_id: 38
+        polarimeter_id: 31
+        color: indigo
+        fwhm_x_deg: 0.347
+        fwhm_y_deg: 0.344
+        ellipticity: 1.008
+        directivity_dbi: 54.76
+        xpd_db: 44.53
+        sub_spillover: 0.013964
+        main_spillover: 0.016704
+        orientation:
+            - 0.00000000000
+            - 0.00000000000
+            - 1.00000000000
+
+    I1:
+        id: 1
+        module_id: 1
+        polarizer_id: 29
+        polarimeter_id: 29
+        color: "indigo"
+        fwhm_x_deg: 0.347
+        fwhm_y_deg: 0.345
+        ellipticity: 1.006
+        directivity_dbi: 54.75
+        xpd_db: 43.93
+        sub_spillover: 0.013704
+        main_spillover: 0.017151
+        orientation:
+            - 0.107714423496e-01
+            - 0.187581571402e-01
+            - 0.999766026413
+
+    I2:
+        id: 2
+        module_id: 2
+        polarizer_id: 16
+        polarimeter_id: 34
+        color: "indigo"
+        fwhm_x_deg: 0.348
+        fwhm_y_deg: 0.345
+        ellipticity: 1.009
+        directivity_dbi: 54.74
+        xpd_db: 44.19
+        sub_spillover: 0.01397
+        main_spillover: 0.016905
+        orientation:
+            - -0.108937121972e-01
+            - 0.187585355944e-01
+            - 0.999764694504
+
+    I3:
+        id: 3
+        module_id: 3
+        polarizer_id: 39
+        polarimeter_id: 13
+        color: "indigo"
+        fwhm_x_deg: 0.349
+        fwhm_y_deg: 0.344
+        ellipticity: 1.013
+        directivity_dbi: 54.74
+        xpd_db: 44.14
+        sub_spillover: 0.014094
+        main_spillover: 0.01677
+        orientation:
+            - -0.217265422091e-01
+            - -0.266073403730e-17
+            - 0.999763950822
+
+    I4:
+        id: 4
+        module_id: 4
+        polarizer_id: 18
+        polarimeter_id: 43
+        color: "indigo"
+        fwhm_x_deg: 0.348
+        fwhm_y_deg: 0.345
+        ellipticity: 1.009
+        directivity_dbi: 54.74
+        xpd_db: 44.19
+        sub_spillover: 0.01397
+        main_spillover: 0.016905
+        orientation:
+            - -0.108937106889e-01
+            - -0.187585378222e-01
+            - 0.999764694479
+
+    I5:
+        id: 5
+        module_id: 5
+        polarizer_id: 28
+        polarimeter_id: 30
+        color: "indigo"
+        fwhm_x_deg: 0.347
+        fwhm_y_deg: 0.345
+        ellipticity: 1.006
+        directivity_dbi: 54.75
+        xpd_db: 43.93
+        sub_spillover: 0.013704
+        main_spillover: 0.017151
+        orientation:
+            - 0.107714352557e-01
+            - -0.187601757427e-01
+            - 0.999765988614
+
+    I6:
+        id: 6
+        module_id: 6
+        polarizer_id: 11
+        polarimeter_id: 12
+        color: "indigo"
+        fwhm_x_deg: 0.348
+        fwhm_y_deg: 0.345
+        ellipticity: 1.008
+        directivity_dbi: 54.75
+        xpd_db: 44.06
+        sub_spillover: 0.013562
+        main_spillover: 0.017287
+        orientation:
+            - 0.216050636658e-01
+            - 0.257638026339e-09
+            - 0.999766583370
+
+    Y0:
+        id: 7
+        module_id: 0
+        polarizer_id: 30
+        polarimeter_id: 8
+        color: "yellow"
+        fwhm_x_deg: 0.348
+        fwhm_y_deg: 0.345
+        ellipticity: 1.009
+        directivity_dbi: 54.73
+        xpd_db: 41.47
+        sub_spillover: 0.013383
+        main_spillover: 0.017513
+        orientation:
+            - 0.561943695607e-01
+            - 0.327350599580e-01
+            - 0.997883063630
+
+    Y1:
+        id: 8
+        module_id: 1
+        polarizer_id: 48
+        polarimeter_id: 48
+        color: "yellow"
+        fwhm_x_deg: 0.349
+        fwhm_y_deg: 0.346
+        ellipticity: 1.009
+        directivity_dbi: 54.69
+        xpd_db: 41.00
+        sub_spillover: 0.01296
+        main_spillover: 0.018043
+        orientation:
+            - 0.667735863313e-01
+            - 0.513960210619e-01
+            - 0.996443544406
+
+    Y2:
+        id: 9
+        module_id: 2
+        polarizer_id: 8
+        polarimeter_id: 67
+        color: "yellow"
+        fwhm_x_deg: 0.348
+        fwhm_y_deg: 0.346
+        ellipticity: 1.004
+        directivity_dbi: 54.71
+        xpd_db: 41.45
+        sub_spillover: 0.013402
+        main_spillover: 0.017683
+        orientation:
+            - 0.452199089767e-01
+            - 0.515239215212e-01
+            - 0.997647455439
+
+    Y3:
+        id: 10
+        module_id: 3
+        polarizer_id: 21
+        polarimeter_id: 02
+        color: "yellow"
+        fwhm_x_deg: 0.348
+        fwhm_y_deg: 0.345
+        ellipticity: 1.008
+        directivity_dbi: 54.72
+        xpd_db: 41.93
+        sub_spillover: 0.013783
+        main_spillover: 0.017615
+        orientation:
+            - 0.347752645502e-01
+            - 0.328520104835e-01
+            - 0.998855057745
+
+    Y4:
+        id: 11
+        module_id: 4
+        polarizer_id: 3
+        polarimeter_id: 33
+        color: "yellow"
+        fwhm_x_deg: 0.348
+        fwhm_y_deg: 0.345
+        ellipticity: 1.008
+        directivity_dbi: 54.73
+        xpd_db: 41.98
+        sub_spillover: 0.013652
+        main_spillover: 0.017715
+        orientation:
+            - 0.455035902293e-01
+            - 0.140544094705e-01
+            - 0.998865304659
+
+    Y5:
+        id: 12
+        module_id: 5
+        polarizer_id: 27
+        polarimeter_id: 28
+        color: "yellow"
+        fwhm_x_deg: 0.349
+        fwhm_y_deg: 0.345
+        ellipticity: 1.010
+        directivity_dbi: 54.71
+        xpd_db: 41.49
+        sub_spillover: 0.013154
+        main_spillover: 0.017977
+        orientation:
+            - 0.668652100620e-01
+            - 0.139480227009e-01
+            - 0.997664520942
+
+    Y6:
+        id: 13
+        module_id: 6
+        polarizer_id: 33
+        polarimeter_id: 35
+        color: "yellow"
+        fwhm_x_deg: 0.350
+        fwhm_y_deg: 0.345
+        ellipticity: 1.013
+        directivity_dbi: 54.69
+        xpd_db: 40.89
+        sub_spillover: 0.012843
+        main_spillover: 0.018255
+        orientation:
+            - 0.774983570261e-01
+            - 0.326190923816e-01
+            - 0.996458729437
+
+    O0:
+        id: 14
+        module_id: 0
+        polarizer_id: 46
+        polarimeter_id: 27
+        color: "orange"
+        fwhm_x_deg: 0.345
+        fwhm_y_deg: 0.348
+        ellipticity: 1.008
+        directivity_dbi: 54.73
+        xpd_db: 42.70
+        sub_spillover: 0.013773
+        main_spillover: 0.016862
+        orientation:
+            - -0.522769787890e-03
+            - 0.654868693068e-01
+            - 0.997853294157
+
+    O1:
+        id: 15
+        module_id: 1
+        polarizer_id: 42
+        polarimeter_id: 36
+        color: "orange"
+        fwhm_x_deg: 0.347
+        fwhm_y_deg: 0.349
+        ellipticity: 1.006
+        directivity_dbi: 54.69
+        xpd_db: 42.17
+        sub_spillover: 0.013305
+        main_spillover: 0.017318
+        orientation:
+            - 0.997850882964e-02
+            - 0.841863544195e-01
+            - 0.996400063775
+
+    O2:
+        id: 16
+        module_id: 2
+        polarizer_id: 20
+        polarimeter_id: 57
+        color: "orange"
+        fwhm_x_deg: 0.350
+        fwhm_y_deg: 0.345
+        ellipticity: 1.014
+        directivity_dbi: 54.69
+        xpd_db: 42.56
+        sub_spillover: 0.013495
+        main_spillover: 0.016988
+        orientation:
+            - -0.118612457584e-01
+            - 0.842200444514e-01
+            - 0.996376582905
+
+    O3:
+        id: 17
+        module_id: 3
+        polarizer_id: 23
+        polarimeter_id: 65
+        color: "orange"
+        fwhm_x_deg: 0.350
+        fwhm_y_deg: 0.345
+        ellipticity: 1.014
+        directivity_dbi: 54.70
+        xpd_db: 42.46
+        sub_spillover: 0.013865
+        main_spillover: 0.016913
+        orientation:
+            - -0.222283581390e-01
+            - 0.655241978189e-01
+            - 0.997603367875
+
+    O4:
+        id: 18
+        module_id: 4
+        polarizer_id: 19
+        polarimeter_id: 46
+        color: "orange"
+        fwhm_x_deg: 0.348
+        fwhm_y_deg: 0.346
+        ellipticity: 1.007
+        directivity_dbi: 54.72
+        xpd_db: 42.97
+        sub_spillover: 0.014065
+        main_spillover: 0.017042
+        orientation:
+            - -0.111419346531e-01
+            - 0.467691741084e-01
+            - 0.998843582172
+
+    O5:
+        id: 19
+        module_id: 5
+        polarizer_id: 34
+        polarimeter_id: 22
+        color: "orange"
+        fwhm_x_deg: 0.347
+        fwhm_y_deg: 0.346
+        ellipticity: 1.003
+        directivity_dbi: 54.73
+        xpd_db: 42.83
+        sub_spillover: 0.013801
+        main_spillover: 0.017203
+        orientation:
+            - 0.105111081677e-01
+            - 0.467319325841e-01
+            - 0.998852162776
+
+    O6:
+        id: 20
+        module_id: 6
+        polarizer_id: 22
+        polarimeter_id: 52
+        color: "orange"
+        fwhm_x_deg: 0.348
+        fwhm_y_deg: 0.346
+        ellipticity: 1.003
+        directivity_dbi: 54.71
+        xpd_db: 42.30
+        sub_spillover: 0.013417
+        main_spillover: 0.017388
+        orientation:
+            - 0.210686748079e-01
+            - 0.654528062624e-01
+            - 0.997633219723
+
+    R0:
+        id: 21
+        module_id: 0
+        polarizer_id: 36
+        polarimeter_id: 16
+        color: "red"
+        fwhm_x_deg: 0.352
+        fwhm_y_deg: 0.343
+        ellipticity: 1.025
+        directivity_dbi: 54.71
+        xpd_db: 41.44
+        sub_spillover: 0.014177
+        main_spillover: 0.016407
+        orientation:
+            - -0.572309320002e-01
+            - 0.327294246222e-01
+            - 0.997824335836
+
+    R1:
+        id: 22
+        module_id: 1
+        polarizer_id: 1
+        polarimeter_id: 61
+        color: "red"
+        fwhm_x_deg: 0.351
+        fwhm_y_deg: 0.344
+        ellipticity: 1.020
+        directivity_dbi: 54.69
+        xpd_db: 41.61
+        sub_spillover: 0.013937
+        main_spillover: 0.016771
+        orientation:
+            - -0.465508605279e-01
+            - 0.515017053622e-01
+            - 0.997587385510
+
+    R2:
+        id: 23
+        module_id: 2
+        polarizer_id: 24
+        polarimeter_id: 37
+        color: "red"
+        fwhm_x_deg: 0.354
+        fwhm_y_deg: 0.344
+        ellipticity: 1.030
+        directivity_dbi: 54.66
+        xpd_db: 40.99
+        sub_spillover: 0.01381
+        main_spillover: 0.016571
+        orientation:
+            - -0.686936597567e-01
+            - 0.513937141717e-01
+            - 0.996313137148
+
+    R3:
+        id: 24
+        module_id: 3
+        polarizer_id: 47
+        polarimeter_id: 62
+        color: "red"
+        fwhm_x_deg: 0.355
+        fwhm_y_deg: 0.343
+        ellipticity: 1.034
+        directivity_dbi: 54.66
+        xpd_db: 40.85
+        sub_spillover: 0.013881
+        main_spillover: 0.01646
+        orientation:
+            - -0.792335592447e-01
+            - 0.326350237088e-01
+            - 0.996321734339
+
+    R4:
+        id: 25
+        module_id: 4
+        polarizer_id: 37
+        polarimeter_id: 47
+        color: "red"
+        fwhm_x_deg: 0.353
+        fwhm_y_deg: 0.344
+        ellipticity: 1.027
+        directivity_dbi: 54.69
+        xpd_db: 41.32
+        sub_spillover: 0.014136
+        main_spillover: 0.016612
+        orientation:
+            - -0.680300610313e-01
+            - 0.139578110576e-01
+            - 0.997585630563
+
+    R5:
+        id: 26
+        module_id: 5
+        polarizer_id: 49
+        polarimeter_id: 70
+        color: "red"
+        fwhm_x_deg: 0.351
+        fwhm_y_deg: 0.344
+        ellipticity: 1.020
+        directivity_dbi: 54.71
+        xpd_db: 41.98
+        sub_spillover: 0.014259
+        main_spillover: 0.016735
+        orientation:
+            - -0.460799406147e-01
+            - 0.140401772196e-01
+            - 0.998839082383
+
+    R6:
+        id: 27
+        module_id: 6
+        polarizer_id: 14
+        polarimeter_id: 39
+        color: "red"
+        fwhm_x_deg: 0.350
+        fwhm_y_deg: 0.344
+        ellipticity: 1.018
+        directivity_dbi: 54.72
+        xpd_db: 42.07
+        sub_spillover: 0.014129
+        main_spillover: 0.016785
+        orientation:
+            - -0.353371972204e-01
+            - 0.328243510318e-01
+            - 0.998836245073
+
+    V0:
+        id: 28
+        module_id: 0
+        polarizer_id: 4
+        polarimeter_id: 58
+        color: "violet"
+        orientation:
+            - -0.572309320002e-01
+            - -0.327294246222e-01
+            - 0.997824335836
+
+    V1:
+        id: 29
+        module_id: 1
+        polarizer_id: 41
+        polarimeter_id: 54
+        color: "violet"
+        orientation:
+            - -0.460799406147e-01
+            - -0.140401772196e-01
+            - 0.998839082383
+
+    V2:
+        id: 30
+        module_id: 2
+        polarizer_id: 44
+        polarimeter_id: 24
+        color: "violet"
+        orientation:
+            - -0.680300610313e-01
+            - -0.139578110576e-01
+            - 0.997585630563
+
+    V3:
+        id: 31
+        module_id: 3
+        polarizer_id: 15
+        polarimeter_id: 55
+        color: "violet"
+        orientation:
+            - -0.792335592447E-01
+            - -0.326350237088E-01
+            - 0.996321734339
+
+    V4:
+        id: 32
+        module_id: 4
+        polarizer_id: 43
+        polarimeter_id: 4
+        color: "violet"
+        orientation:
+            - -0.686936597567e-01
+            - -0.513937141717e-01
+            - 0.996313137148
+
+    V5:
+        id: 33
+        module_id: 5
+        polarizer_id: 25
+        polarimeter_id: 64
+        color: "violet"
+        orientation:
+            - -0.465508605279e-01
+            - -0.515017053622e-01
+            - 0.997587385510
+
+    V6:
+        id: 34
+        module_id: 6
+        polarizer_id: 40
+        polarimeter_id: 17
+        color: "violet"
+        orientation:
+            - -0.353371972204e-01
+            - -0.328243510318e-01
+            - 0.998836245073
+
+    B0:
+        id: 35
+        module_id: 0
+        polarizer_id: 7
+        polarimeter_id: 9
+        color: "blue"
+        orientation:
+            - -0.522769787890e-03
+            - -0.654868693068e-01
+            - 0.997853294157
+
+    B1:
+        id: 36
+        module_id: 1
+        polarizer_id: 2
+        polarimeter_id: 7
+        color: "blue"
+        orientation:
+            - 0.105111081677e-01
+            - -0.467319325841e-01
+            - 0.998852162776
+
+    B2:
+        id: 37
+        module_id: 2
+        polarizer_id: 35
+        polarimeter_id: 56
+        color: "blue"
+        orientation:
+            - -0.111419346531e-01
+            - -0.467691741084e-01
+            - 0.998843582172
+
+    B3:
+        id: 38
+        module_id: 3
+        polarizer_id: 31
+        polarimeter_id: 69
+        color: "blue"
+        orientation:
+            - -0.222283581390e-01
+            - -0.655241978189e-01
+            - 0.997603367875
+
+    B4:
+        id: 39
+        module_id: 4
+        polarizer_id: 26
+        polarimeter_id: 50
+        color: "blue"
+        orientation:
+            - -0.118612457584e-01
+            - -0.842200444514e-01
+            - 0.996376582905
+
+    B5:
+        id: 40
+        module_id: 5
+        polarizer_id: 32
+        polarimeter_id: 41
+        color: "blue"
+        orientation:
+            - 0.997850882964e-02
+            - -0.841863544195e-01
+            - 0.996400063775
+
+    B6:
+        id: 41
+        module_id: 6
+        polarizer_id: 5
+        polarimeter_id: 63
+        color: "blue"
+        orientation:
+            - 0.210686748079e-01
+            - -0.654528062624e-01
+            - 0.997633219723
+
+    G0:
+        id: 42
+        module_id: 0
+        polarizer_id: 45
+        polarimeter_id: 15
+        color: "green"
+        orientation:
+            - 0.561943695607e-01
+            - -0.327350599580e-01
+            - 0.997883063630
+
+    G1:
+        id: 43
+        module_id: 1
+        polarizer_id: 17
+        polarimeter_id: 45
+        color: "green"
+        orientation:
+            - 0.668652100620e-01
+            - -0.139480227009e-01
+            - 0.997664520942
+
+    G2:
+        id: 44
+        module_id: 2
+        polarizer_id: 10
+        polarimeter_id: 40
+        color: "green"
+        orientation:
+            - 0.455035902293e-01
+            - -0.140544094705e-01
+            - 0.998865304659
+
+    G3:
+        id: 45
+        module_id: 3
+        polarizer_id: 6
+        polarimeter_id: 51
+        color: "green"
+        orientation:
+            - 0.347752645502e-01
+            - -0.328520104835e-01
+            - 0.998855057745
+
+    G4:
+        id: 46
+        module_id: 4
+        polarizer_id: 9
+        polarimeter_id: 5
+        color: "green"
+        orientation:
+            - 0.452199089767e-01
+            - -0.515239215212e-01
+            - 0.997647455439
+
+    G5:
+        id: 47
+        module_id: 5
+        polarizer_id: 12
+        polarimeter_id: 59
+        color: "green"
+        orientation:
+            - 0.667735863313e-01
+            - -0.513960210619e-01
+            - 0.996443544406
+
+    G6:
+        id: 48
+        module_id: 6
+        polarizer_id: 13
+        polarimeter_id: 66
+        color: "green"
+        orientation:
+            - 0.774983570261e-01
+            - -0.326190923816e-01
+            - 0.996458729437
+
+    W1:
+        id: 49
+        module_id: -1
+        polarizer_id: -1
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diff --git a/cookbook/weather_STRIP.fits b/cookbook/weather_STRIP.fits
new file mode 100644
index 00000000..6a583c98
Binary files /dev/null and b/cookbook/weather_STRIP.fits differ