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Below is a list of all of the KIT's offered to TMC to update and correct defects in various products.
| KIT No. | Equipment | Description | Specification Document |
| 101 | SBT-1KQ | Interconnect Cable Kit, ID-242 | |
| 102 | RFD | Meter circuit modification. Feed-through capacitor modification kit. | |
| 103 | GPT-10K/40K | Resistor board and feed-through capacitor mod kit | S-552 |
| 104 | GPT-40K | Blower mod (TMC BL-110) ID 268 | S-639 |
| 105 | GPT-10K/40K | 10K field equipment modification | S-595 |
| 106 | GPT-10K/40K | modification kit | S-1107 |
| 108 | GPT-750 | time delay and circuit breaker change. Serial no's 929 and before require this modification. | S-929 |
| 109 | CHG-1 | ALDC modification kit | S-579, S-562 |
| 110 | SBE-3 | ALDC modification kit | S-594 |
| 111 | GPT-10K/40K | ALDC (unsynthesized) modification kit. | S-591 |
| 112 | GPT-10K/40K | ALDC (synthesized) modification kit. | S-592 |
| 113 | GPT-10K | Modification kit, VSWR indicator instead of antenna current. ID 266 Obsolete | S-638 |
| 114 | Fly-away Transient Receiver Relay Kit | S-602 | |
| 115 | SBE-2 | ALDC mod kit | S-601 |
| 116 | GPT-40K | Capacitor discharge kit. | S-610 |
| 117 | Converts PTE-1 to PTE-3 | ||
| 118 | GPT-10K AN/FRT-39 | 2-28Mc modification ID 276 | S-661 |
| 119 | AN/FRT-40 | 2 Mc modification kit ID 274, | S-669, S-655? |
| 120 | AN/FRT-40/-40A | 2 Mc modification kit | S-655 |
| 121 | AN/FRT-39 | Zener board modification kit | S-629 |
| 122 | AN/FRT-39 | Emergency 1Kw output | S-945 |
| 123 | AN/FRT-40 | Emergency 1Kw output | S-944 |
| 124 | XKF | FAX mod kit | |
| 125 | GPT-40K | C911 replacement kit ID 271 | S-652 |
| 126 | AN/FRT-40 | VSWR ID 279 | S-670, S-666 |
| 127 | GPT-10K/40K | Shorting relay capacitor kit | S-613 |
| 128 | GPT-10K/40K | Sythesizer mod kit, converts unsynthesized 10K and 40K transmitters to synthesized operation ID 277 | S-666 |
| 128-1 | Synthesizer conversion, CK 925, A 4473 | ||
| 129 | GPT-10K | VSWR mod kit for 10K portion of AN/FRT-40 | |
| 130 | RFD-1 | ALDC modification | S-817 |
| 131 | GPT-40K | PA bandswitch mod ID 275 | S-656 |
| 132 | SBT-1K-E1 | interconnect cable kit ID-269 | |
| 133 | SBT-1K | Converts SBT-1K-Q to SBT-1K-C | |
| 134 | SBT-1K | Converts SBT-1K-Q to SBT-1K-A | |
| 135 | SBT-1K | Converts SBT-1K-Q to SBT-1K-L | |
| 136 | PSP-350 | modification of PSP-350 | S-663 |
| 137 | Installation details, jack switch assy, ID-278 | ||
| 138 | Installation details,jack switch asy, QDP | ||
| 139 | GPT-10K-L | Low line voltage contactor corrector | S-708 |
| 140 | RSC | Installation instruction | S-382 |
| 141 | ATS | Installation instruction | S-447, S-394 |
| 142 | GPT-750 | SBE drawer mod kit, XFK drawer mod kit | S-453 |
| 143 | Converts RSC-2 to RSC-3 | S-395 | |
| 144 | XFK | Installation instructions | S-457 |
| 145 | Converts RSM-2 to RSM-3 | S-398 | |
| 146 | Converts RSP-2 to RSP-3 | S-399 | |
| 147 | Converts RSD-2 to RSD-3 | S-380 | |
| 148 | GPT-750( )-1 | VMO mod kit for standby operation of VMO | S-454, S-380 |
| 149 | GPT-750 | Upper blower mod kit | S-451 |
| 150 | GPT-750 | Lower blower mod kit | S-452 |
| 151 | FFR | AVC/BFO mod kit | S-407 |
| 152 | Converts AN/URA-24/25 to AN/URA-27/28. | S-394 | |
| 153 | RTC | Converts RTC for use with carbon mic. Replaces kit calledout in SYM-1029. See instruction manual. | |
| 154 | Converts AN/FRT-39D to AN/FRT39C by addition of Robinson Shock mounts. Refer to AX-346 and ID-272 | ||
| 155 | CHG, CBE | Mod kit for voice and push-to-talk conversion. CK-606, ID-286 | S-984 |
| 156 | TIS-3 | Mod kit to Kit 128 to add TIS-3 to all transmitters. | S-796 |
| 156-1 | S-1119 | ||
| 156A | APP-8 in lieu of APP-3, CSS-1B in lieu of CSS-1A, CHG-2A in lieu of CHG-2. See Kit 156-1 | S-1119 | |
| 157 | PSP-350 | Time delay and control relay | S-746 |
| 158 | GPT-750( )-1 | Interlock circuit | S-436 |
| 159 | SBC-1 | Oven circuits | |
| 160 | GPT-20K | VSWR meter mod kit | |
| 161 | GPT-10K | VSWR meter mod kit, adds Bird coupler, SWCU-1, VSWR meter, and VSWR overload relay to GPT-10K | S-926 |
| 161B | S-1309 | ||
| 162 | TTR-10/40 | Cabinet shock mount for vehicular installation | |
| 163 | TTR-10/40 | Slide mounting for rack servicing | |
| 164 | Obsolete, CAB-9 makes this kit obsolete. | ||
| 165 | Rechargeable battery supply for VLFC, VLR, LFS, CSS | ||
| 166 | FFR | Crystal filter kit CK 727 (obsolete) | S-496 |
| 167 | GPT-10K | Relieve load on regulating transformer in aux frame | |
| 168 | Convert GPT-40K as driver for GPT-200K | ||
| 169 | Converts GPT-40K to a GPT-10K transmitter | ||
| 170 | DDR-5 | Alignment kit | S-804 |
| 171 | SBG-1 | SBG-1 with a TIS-3 and CSS-2 (instead of CSS-1A) for use with GPT-10K, 40K, and 200K | |
| 172 | GPT-40K | PA output circuitry mod | S-832 |
| 173 | GPT-10K/40K | Exciter rack mod | |
| 174 | DDR-5 | Phase jitter mod kit | |
| 175 | MSR-5 | Mod for 550 (500?) Kc input | S-734, S-821 |
| 176 | Conversion of GPR-90RXD to GPR-91RXD | S-776A | |
| 177 | GPT-10K | Vapor cooling mod kit | |
| 178 | GPT-10K/40K | Vapor cooling mod kit for GPT-10K when used as a driver for GPT-40K | |
| 179 | PAL-40K | Vapor cooling kit. | |
| 180 | GPT-40K | Vapor cooling kit | S-1077 |
| 181 | AP-120 to replace AX-103. Solid state HV power supply for 10Kw linear amp. See Kit 257 | ||
| 182 | AP-121 to replace AP-105. Solid state HV power supply for 40Kw linear amp. See Kit 258 | ||
| 183 | AP-122 to replace AP-110. Solid state HV power supply for 100 and 200 Kw linear amp. See Kit 326 | ||
| 184 | HFR-1 | Thermostat mod | S-830 |
| 185 | RAC | Spark gap mod. Change mechanical spark gap to electrical | S-831 |
| 186 | RFD-1A | PA and loading capacitor to improve power output level stability | S-1095 |
| 187 | GPT-10K (RFC) | IPA loading capacitor mod to improve power output level stability | S-955 |
| 188 | DDR-5B | Shipboard shock mount kit | |
| 189 | DDR-5 | USB vestigial sideband filter, -350 to 3500 cps (with reference to 250Kc carrier at 3dB points) FX-202 | |
| 190 | DDR-5 | USB vestigial sideband filter, -350 to 4500 cps (with reference to 250Kc carrier at 3dB points) FX-203 | |
| 191 | DDR-5 | USB vestigial sideband filter, -350 to 6000 cps (with reference to 250Kc carrier at 3dB points) FX-204 | |
| 192 | DDR-5 | LSB vestigial sideband filter, -350 to 3500 cps (with reference to 250Kc carrier at 3dB points) FX-205 | |
| 193 | DDR-5 | LSB vestigial sideband filter, -350 to 4500 cps (with reference to 250Kc carrier at 3dB points) FX-206 | |
| 194 | DDR-5 | LSB vestigial sideband filter, -350 to 6000 cps (with reference to 250Kc carrier at 3dB points) FX-207 | |
| 195 | SBG-1 | Shipboard shock mounts. Kit used for SBG-1 synthesizer when used as part of SBT-1K transmitter | |
| 195A | Shipboard shock mounts. Kit used for SBG-1 synthesizer when used as part of SBT-1K transmitter | ||
| 196 | Shipboard shock mount kit for 1Kw linear amplifier cabinet of SBT-1K, E, F, G, H transmitters | ||
| 197 | One each of KIT-195, KIT-196 for SBT-1K,E,F,G,H (shock mounting) | ||
| 198 | Kit for TLAA-1, 10Kw linear amplifier. See TB-2033 | ||
| 200 | Add 208V to 115V stepdown 1.5Kw transformer and breaker in the exciter rack of AN/FRT-39/40/62 to provide power to utility outlets. | S-927 | |
| 201 | Provides phase locking capability of frequency standards in GPT-10K/40K/200K and SBT-1K transmitters | ||
| 202 | DDR-5 | Provides phase locking capability of frequency standards in DDR-5 receivers | |
| 203 | MSR-8 | Mod to accept 455Kc input. Refer to PC-733, Pacific region letter, FAA | S-860 |
| 204 | GPT-10K | Mod to remove regulating and stepdown transformer from exciter fram and provide separate 115 volt, single-phase input to exciter frame and utility outlets: Note: this modification does not affect the 230V 3-phase input to the IPA and final stages.s | S-928 |
| 205 | GPT-40K | Modified power input provides
separate input as follows:
|
|
| 206 | GPT-200K |
|
S-938 |
| 207 | STR-1 | Mod to permit remote control of clarifier. Controllable variation to be 0.01% of operating frequency. Control to be affected by variation of DC voltage on a VARICAP. Remote control of the DC voltage to be exercised from a distance of up to 2 miles. | |
| 208 | Technimatic tuning kit for 10Kw transmitter, AN/FRT-39A, B, D, and E. Kit includes new exciter frame components, new IPA and new final components and/or drawers | ||
| 209 | External control device series for remoted transmitters as required. The first system will be 209A, the next 209B, etc., depending upon customer requirements. | ||
| 209A | GPT-10K final automatic | ||
| 209B | |||
| 210 | Similar to KIT-208, but uses SME in place of SBG-3 components | ||
| 211 | Technimatic tuning kit covering exciter frame, IPA driver and final, GPT-40K | ||
| 212 | External control device for remoted receivers as required. The first system will be 212A, the next 212B, and so forth, depending on customer requirements. | ||
| 212A | Kit for Technimatic tuning of DDR-5B, S.O. G 22404, RTPA-1, RTIA-1, RTMU-1, RTTD-1, RTKY-1, including antenna switching, recorder selector switching assembly precision tuning device. | ||
| 213 | GPT-10K/40K | RF suppressor for plate and grid RF meters. | |
| 214 | GPT-10K | Update GPT-10K-R5 to GPT-10K-R7 so that finished transmitter is same as GPT-40KE4. S.O. #N22615 | |
| 215 | SBG-( ) | Mod of sideband generator to provide automatic switchover from external freq standard to internal freq standard if station standard fails. CK-913 | S-921 |
| 215A | Switch from internal to external standard | S-1192, S-1195, CK-1385 | |
| 216 | CSS-1 | Converts CSS-1B to CSS-1C. Mod kit to modify DDR-5A receivers to provide automatic switching to internal frequency standard input, complete with two commercial type of technical manuals per equipment. | S-922 |
| 217 | TIS-3 | CW keying mod, adds an RC filter. | S-875 |
| 218 | DDR-5 | Converts DDR-5A to DDR-5C by removing one DVM-4 and adding one HFS-1. | S-905 |
| 218-2 | Converts DDR-5L to DDR-5M by adding one HFS | ||
| 220 | HFS-1 | Remote-control kit. Adds ledex motor(s) to HFS-1 so that it can be remote controlled. Creates HFSR-1. | S-988 |
| 221 | HFI-1 | Converts HFI-1 to HFIR-1 by adding ledex motor(s) so that it can be remote controlled (AFC and GAIN controls). | S-991 |
| 222 | HFA-1 | Converts HFA-1 to HFAR-1 by adding ledex motor(s) so that it can be remote controlled. | S-992 |
| 222A | Same as 222 but controls both mode selectors simultaneously. | S-1014 | |
| 223 | HAF-1 | Converts HAF-1 to HAFR-1 by adding ledex motor(s) so that it can be remote controlled (HI CUTOFF and LO CUTOFF, both channels). | S-993 |
| 224 | Field mod for installing KMCU-1 in place of TIS-3 in GPT-10K synthesized transmitters | S-924 | |
| 224S | Provides final mod for KMCU in 17 VLF PAC transmitters. 2/11/66. L 3002. Should include KMCU-1 IN 4028K | ||
| 225 | GPT-40K | Adds Bird Thru-Line Coupler, VSWR meter, VSWR overload circuits, SWCU, to 10Kw power amplifier in GPT-40K | S-929 |
| 226 | Mod of squelch circuit on 600-ohm audio of STR-1, SMR-1, TTR-10, STR-2, STR-3, STR-4. | S-912 | |
| 227 | GPT-10K | Adapter kit 1-3/8" to 3-1/8" EIA flange | |
| 228 | Antenna installation
kit.
|
||
| 229 | SBS-1A | RF input mod. Modify RF (IF) input to SBS-1A so that selection of one of two receivers can be made by a switch on the front panel of the SBS-1A | S-919 |
| 230 | Converts RAK-21-B to RAK-21-C by adding hardware to accept ARCD-1 units. RAK-21-C and units together form ARCD-1 | ||
| 231 | Converts HFI-1 to HFIB-1 by adding ledex motor to bandwidth controls only of HFI-1. | S-995 | |
| 232 | Converts PAL-350 and PAL-350A to
PAL-350B.
|
S-948 | |
| 232A | PAL-350 and PAL-350A Improvement Kit. Add solid-state rectifiers and transiesnt suppressors to PAL-350 and PAL-350A. | ||
| 232B | S-1083 | ||
| 233 | Converts HFR-2 to HFRR-2. Remoted controls: BAND switch, TUNE control | S-949 | |
| 234 | Converts AFC-3 to AFCR-3. Remoted controls: Tuning KCS, RESET button, carrier suppression (eliminates need to operated sensitivity control by adding a 20 dB pad); also provides readback line for tuning, and fade alarm. | S-1035 | |
| 235 | Converts HFI-1 to HFIA-1. Remoted controls: IF bandwidth (two channels), manual gain control | ||
| 236 | DDR-5K | Shipboard shock mount kit. Special shock and vibration system available as an accessory for shipboard installations. | |
| 237 | Converts MSA-1 to MSAA-1. Remoted controls: Squelch adjust controls, LINE LEVEL controls. | S-940 | |
| 238 | Converts MCG-1 to MCGA-1. Remoted controls: INT/FAC/SYN switch | S-974, S-956 | |
| 239 | Converts HRF-1A to HFRR-1A. Remoted controls: BAND switch, TUNE control | S-1058 | |
| 240 | VLFC | Battery life extension mod. Adds current limiting components to battery power circuit to extend life of batter power supply. This is included in all VLFC-1 shipped, except for 1 in Greece, per EFM 1/9/67 | |
| 241 | AN/FRT-39 | Installation of low-pass filter at unbalanced output. Output coupling is 1-5/8" EIA flange. | |
| 242 | AN/FRT-40 | Installation of low-pass filter at unbalanced output. Output coupling is 3-1/8" EIA flange. | |
| 243 | AN/FRT-62 | Installation of low-pass filter at unbalanced output. Output coupling is 6-1/8" EIA flange. | |
| 244 | GPT-40K | Output bandswitch change, replaces AS-120 bandswitch with AS-125. Includes new band-change counter, modified tuning charts, instructions, etc. | S-968 |
| 244A | Adds CB Harmonic Rejection to KIT-244 (special cases only) | ||
| 245 | GPT-10K | Protective cover kit. Provides protection for personnel against electrical shock | S-1059 |
| 246 | GPT-40K | Protective cover kit. Provides protection for personnel against electrical shock | S-1147 |
| 247 | GPT-200K | Protective cover kit. Provides protection for personnel against electrical shock | S-1150 |
| 248 | Converts SBE-2 to SBE-2A. Improved circuits mods including new balanced modulator. | S-952 | |
| 249 | Converts HFS-1 to HFSA-1. Remotes controls 1Mc, 100Kc, 10Kc, 1Kc, 0.1Kc switches. Prepositioning wafers added. | ||
| 250 | Use kit 222A | ||
| 251 | PAL-1K/1KA | Tune/operate mod kit. | |
| 252 | Converts TTR-10 to TTR-11. Addition of TPC-1 (four channel selector to TTR-10: TTR-10 then becomes TTR-12.. Kit 278) | S-1000 | |
| 253 | Converts TTR-10 to TTR-12 with addition of TPC-1 | ||
| 254 | Substitute card PC220 for PC165 and PC221 for PC125 in RTMU-1, which becomes RTMU-1A. | ||
| 255 | Converts TTR-10 to TTR-13 by adding TTC-1 and TPC-1. | ||
| 256 | Alignment tool kit for LRRA-1 and VLFC-1. Consists of 1 each TP-110-1, 126, 127, 129. | ||
| 257 | GPT-10K | Solid-state conversion of high voltage rectifier drawer. Replaces vacuum tubes and associated transformers in high voltage rectifier drawer AX-103 with semiconductor rectifiers. Retains original drawer. | S-990 |
| 258 | GPT-40K | Solid-state conversion of high voltage rectifier drawer. Replaces vacuum tubes and associated transformers in high voltage rectifier drawer AP-105 with semiconductor rectifiers. Retains original drawer. Includes KIT 257. | |
| 259 | GPT-200K | Solid-state conversion of high voltage rectifier drawer. Replaces vacuum tubes and associated transformers in high voltage rectifier drawer AP-110 with semiconductor rectifiers. Retains original drawer. 2 HVRA-1's and KIT 258. 10/28/65 | |
| 260 | Addition of SBG-3 to AN/FRT-52, AN/FRT-52A, AN/FRT-54, and AN/FRT-54A. Adds SBG-3 to above transmitters; retains spectrum analyzer. Components: CHG-3, HFS-1, CMRA-1, HFP-1, associated cables and mounting hardware 7/8/65 | ||
| 261 | PAL-1K | Solid-state power supply conversion, replaces vaccum tube rectifiers in PS-4A and PS-5 with plug-in semiconductor rectifiers. Replaces following tubes: 6X4, 5R4GYB, (2) 872A. 7/12/65 | S-1151 |
| 262 | Converts GPT-40K-EA to GPT-40K-EC. Consists of 1 set top cover air duct brackets; Base shield incorporating air duct for 1st and 2nd frames; Blank panels to cover existing 1st frame air intakes; New 4th frame right side cover incorporating air duct. | S-1078 | |
| 263 | Adds CLD-1 to SBG-1LA to provide 10 cps tuning. | ||
| 264 | Converts SBE-8 to SBE-10 (6 Kc) | ||
| 265 | Converts SBS-1A to SBS-8 (100 Kc) | S-1050 | |
| 266 | Converts AFC-2A to AFC-8 (100 Kc) | ||
| 267 | Converts CHG-4 to CHG-5 in field (cancelled). | ||
| 268 | Converts CHG-5 to make CHG-6 in field (cancelled). | ||
| 269 | Consists of KIT 267 and 268 to convert CHG-4 to CHG-6 (cancelled). | ||
| 270 | Similar to KIT 215, modifies CSS-1B to provide automatic switchover to station standard should internal standard fail. Creates CSS-3. | S-1026 | |
| 271 | Mounting kit. Adapts RTPD for mounting in CY-579 cabinet as required by RCWB. Can be used for RTP( )-1 series also. 10/21/65 | S-1028 | |
| 272 | Mounts RTID for mounting in CY-579 cabinet as required for RCWB. Can be used for TRI( )-1 series also. 10/21/65 | S-1028 | |
| 273 | GPT-10K | Substitutes 240/480 V power input transformers, in place of current 208V transformers. 3-ph 50/60 cps for primary operation on voltages 480, 450, 430, 410, 390, 240, 225, 215, 205, and 195V. 10/25/65 | S-1156 |
| 274 | GPT-10K | Field mod to accept 380V, 3-ph input power. Includes audio transformer mounting rails and cabline. 10/27/65 | S-1157 |
| 275 | ATS-2 | Modifies tuning unit TU-2 to provide dynamic brake on resistance control motor (prevents override) and improve tuning gear train alignment. 10/28/65 | S-1041 |
| 276 | Converts HFIR-1 to HFIA-1. Retains most of ledex control but slaves channel A and B together 11/15/65 | ||
| 277 | Converts RTMU-1 to RTMU-2. Provides 1. dual character recognition, 2. improved pc board, 3. extension 12VDC supply for AK-101 11/15/65 | ||
| 278 | TTR-10 | Mod main chassis assembly to accept TPCA-1 remote control. Modify AX-418. Add ledex switch SW-380 with fanning strip and associated wiring. Converts TTR-10 to TTR-12 | S-10148 |
| 279 | GPR-92 | Mod converts GPR-92 to GPR-92A to
accomplish the following. 12/7/65
|
|
| 280 | AMC-6-3 | Changes power supply from tube to solid state. 12/10/65 | S-1056 |
| 281 | HFS-1, HFSR-1, HFSA-1 | Mod to reduce spurious responses, improve pull-in and hold-in ranges of phase detector, and operation of sync indicator. 12/13/65 See KIT 295, HFSA-1 | |
| 282 | KMCU-1 kit to SBT-1KF 12/20/65 | ||
| 283 | CU-2 | Diode/resistor replacement, 1/31/66. Kit is intended to provide a complete replacement package for the diode sensors and resistance element of the RF bridge in directional coupler unit, TMC model CU-2. Instructions only, per D. Const. 2/21/67 | S-1134 |
| 284 | AN/FRT-39/40/62 | High voltage warning lamp mod. D.W.C. 3/8/66 | S-1101 |
| 285 | GPT-40K | AT-106. An insulated block with 2 spring loaded contacts #8121 and E8122. Purpose to increase creepage between plate voltmeter leads, therefore increasing reliability of equipment involved. | S-1082 |
| 286 | Updates KIT 232A to provide same operation as KID 232B. 3/14/66 | S-1081 | |
| 287 | Mod STR-1 to STR-2, provides A4020 IF boxed with FX-195-2. 3/17/66 | S-1100 | |
| 288 | PAL-40K | Provide 480/240V power input transformer (use in conjunction with KIT 273 for GPT-40K). Replaces main HV transformers and includes auto transformer for control circuits, new wiring and circuit breakers included. Replaces TF211 w/ TF335(3). Adds TF336 autotransformer (1). 4/1/66 | |
| 289 | AN/FRT-62 | HVRA-1 drawer (complete). | S-1123 |
| 290 | VLRA, VLRC | Low pass filter kit (FX-211). Affects S/N's 1-30 plus 19498. | |
| 291 | GPT-10K | Replaces rear doors with removeable panels. Includes hardware and instructions for field mod. 4/28/66 | |
| 292 | RFK-1A | Provide shielded cable on ALDC line to reduce hum pickup in ALDC circuit. | |
| 293 | DDR-7J | Add AX-625 (1-3/4" panel with 4 position switch and MIKE jack, to accept MK-102. AP-134 power supply in cabinet. This applies to S/N 26565 only. 5/9/66 | |
| 294 | GPT-10K-L8 | Airplane mod to frame. 5/10/66 | |
| 295 | Mod HFS to HFS-2 | S-1098 | |
| 296 | DDR-506 | Mod LRCB to LRCD per engineering instructions. 5/12/66 | S-1099 |
| 297 | Mod to update AZ-103 for use in conjunction with HFS-2, applies to RTTD-1 and RTTD-2. | S-1108 | |
| 298 | TTRR-( ) | Mod of RF modules to improve AGC characteristics and to insure interchangeability of modules. 6/29/66 | S-1118, S-1117, S-1116, S-1115 |
| 300 | Converts RTMU-1 to RTMU-2 to provide additional cooling. 6/24/66 | S-1135 | |
| 301 | MSA-4 | Converts MSA-4 to MSAR-4. 6/12/66 | |
| 302 | HFS-4 | Converts HFS-4 to HFSR-4 synthesizer with Technimatic control. 6/18/66 | |
| 303 | HFR-4 | Converts HFR-4 to HFRR-4 with Technimatic control 6/18/66 | |
| 304 | Mod of IF section of STR-2 and SMR-2 to improve gain stability and AGC action. | S-1111, S-1112 | |
| 305 | Mod of IF section of STR-1, SMR-1 and receiver section of TTR-10 to improve gain, stability and AGC action. | S-1120, S-1121, S-1122 | |
| 306 | DDRR-5M | Adds AK-101 | S-1127 |
| 307 | Adds floating 12V power supply AK-101 | S-1128 | |
| 308 | Converts MCU-2 to MCU-2A | S-1124 | |
| 309 | Adds AK-102 to RTI( ) isolation TTY keyer | S-1129 | |
| 310 | Provides power supply to AK-102 to allow positive grounded neutral keying TTY input | ||
| 311 | Converts SMEA-1 to SMEB-1. Adds ledex to channel select switch. 8/1/65 | ||
| 312 | Mod Utility Towerco 150' tower type 170KDAM for operation from 300-550Kc with LFTD-1. 8/3/66 | S-1148 | |
| 313 | Solid-state rectifier plug-in for GPT-750 (872A only) | S-1152 | |
| 314 | Convert DDR-5A to DDR-5A (sic). Equipment is customer-supplied cable only and instructions | ||
| 315 | SBT-1KE | Includes 115V version of KMCU-1 for Londonderry. | |
| 316 | CHG-2 | Updating certain components. 1. Replaces C2791, 2792 & 2793 with CM-20-F-102G silver mida capacitors. 2. Change S1012 to ST-103-24-62. The are direct replacements of currently installed components. | S-1012 |
| 317 | HFP-1 | Mod with muffin fans to ease heat. Converts HFP-1 to HFP-1A. | S-1138 |
| 318 | Electronic T/R switch kit. | S-1166 | |
| 319 | Remote control panel for PAL-350 & PAL-1K | ||
| 320 | PAL-1K | Modifies PS-4A (low voltage power supply) to provide a push-to-talk relay which in the stand-by condition: a. Biases linear amplifiers to cut-off, and b. shuts off GHG (on SBG). Relay to operate on not more than 50V. Notes indicate this mod to reduce white noise by 10dB. WLD 11/8/66 | S-1155 |
| 321 | GPT-10K | Cut off final plate current and exciter in "key up" condition. Onnly for GPT-10K's over 19415 or models modified by KIT 22 or sell KIT 224 and KIT 321. 10Kw white noise. R. Hay 11/21/66 | |
| 322 | GPT-40K | Cut off final plate current, includes KIT 321, to reduce 40Kw white noise. R. Hay 11/61/66 | S-1247 |
| 323 | GPT-200K | Cut off final plate current, includes KIT- 321and 322, to reduce 200Kw white noise. R. Hay 11/61/66 | |
| 324 | Mod to protect RF level meter in HFP-1, -1A, -2, -2A, -2B. Meter currently pins when plate voltage comes up before heaters warm up. Failure of meter also occurs when B+ in HFI fails. | ||
| 325 | 2-wire folded doublet installation kit, 2-6Mc, complete with TRC-500/50/600 w/ assembly instructions for installing on customer poles. 1/28/66 EAMJr | ||
| 326 | Same as KIT- 259 but for APP-110 drawers only. 12/12/66. | ||
| 327 | GPT-10K | Mod for IPA and PA band switch to stabilize power output on high band. 12/27/68 | |
| 328 | STR-1A,-2B,-2C | External squelch mod. 1/4/67 | S-1168 |
| 329 | SMEE-1, SMEA-1 | Adds additional 8 contact wafer on channel switches with connector on rear apron. Used first on GPTA-2.5FB to provide antenna coupler control. Creates SMEE-1A. 2/3/67 Hay | |
| 330 | STR-1 | Squelch mod for STR-1 (FAA), converts to STR-1Y | S-1186, S-1172 |
| 331 | STR-2 | Squelch mod for STR-2 (FAA), converts to STR-2Y | |
| 332 | GPT-10LF | Residual noise kit FRT-74. WLD 2/10/67 | |
| 333 | AN/FRT-52, -52A, -54, -54A | Addition of SBG-5. Add solid state exciter to these transmitters (retains existing spectrum analyzer). Exciter consists of (1) MMX-1-6/UL, (1) TMX-2A WRG harness mtg hardward tech manuals. TMX-2A is improved version of TMX-2. (Tele-Sig Model 123). Details of changes no yet available but includes improved freq response and individual channel overload provisions. MMX-1-6/UL same as MMX-1 except with 6 Kc channels instead of 3 Kc channels. 2/21/67 | |
| 333A | Adds SBGM-4 (CHGM-4 and CMRM-4) to GPT-10K (unsythesized) | ||
| 333B | Adds MXM-2 to unsythesized GPT-10K or -40K. Creates GPTM-40KJA | ||
| 333C | Adds SBGM-4 and TIS-3A to unsythesized GPT-( ) | ||
| 333D | Adds SBGM-4 and TIS-3D to unsythesized GPT-( ) | ||
| 333E | Adds SBGM-4A to GPT-10K (s/a 333A but 250KHz IF) | ||
| 333F | Adds SBGM-4 to synthesized GPT-10K (having SBG-1). E Miller 1/16/70 | S-1307 | |
| 333G | Adds MMXM-2 to synthesized GPT-10K-RA7 (with SBG-1) (AN/FRT-39K). PES 5/3/71. Applicable to -R( )8 | ||
| 333H | Adds MMX-4 to GPT-10K | ||
| 334 | TLA( )-2.5K | Addition of transmit/receive relay to antenna circuit. Uses RL177, operated from SME( )-1. Auxiliary contacts on RL177 operate PTT contacts in transmitter. Optional item on all GPT-( ). 3/6/67 | S-1187 |
| 335 | AN/FRT-39/-39A | Back fit kit for 10KW and 40KW transmitters. WLD 3/31/67 | |
| 336 | Marine mod of GPTA-2.5EB | ||
| 337 | Silencing mod for LSP-4 | ||
| 338 | Mod of GPR-92 (Latin America) GPR-92LA | ||
| 339 | Converts VLRB-1 to VLRC-1 | ||
| 340 | SBT-1K-SX2 | Substitutes MCU-2A in place of SWR-1K | S-1197 |
| 341 | Muting of MSA-1 | S-1202 | |
| 342 | Dual LPFA-40K filter installation kit | ||
| 343 | Keying mod to SBE-8, -9, -10. Req by Burns & Doyle on 7/20/67 | ||
| 344 | Converts TIS-3A to TIS-3D (see KIT-251) | S-1226 | |
| 345 | Converts TIS-3 to TIS-3D | S-1276 | |
| 345-1A | Peak power metering kit | S-1310 | |
| 346 | Convert QDP-HX5500B1X11 to QDP-FH5500B1X11 Req. by Martinengo | ||
| 346-1A | Peak power metering kit | S-1313 | |
| 347 | AP-129 mod. Req. by Coggia | S-1208 | |
| 348 | "key-up" transmitter noise reduction kit. Req. by Rozzo & Catrona 10/12/67 | S-1211 | |
| 349 | Conversion of MMX to MMX-1M. Req. by Burns, 10/26/67 for auto operation on emergency frequencies. CK-1452, CK-1494 | ||
| 350 | Assigned to Project 15, C size | ||
| 354 | RF Gain control kit for STR-1 | ||
| 355 | Direct reading power meter kit (KIT-355-1/-2/-3) EAM 12/69 | ||
| 356 | Mod of rear door on GPT-10K8 and RF output out the top. Transmitters cannot be butted because doors must swign open. | ||
| 357 | Replacement of tube type regen divider with transistor type in DDR-5 | ||
| 358 | Addtion of TFP-2.5K to GPTA-2.5K | ||
| 359 | MMX improvements E-3343 | ||
| 360 | LPA fan kit (7/1/69) | ||
| 361 | Replacement of all rear doors on GPT-10K for van installation, also RF output from top of transmitter, for butted transmitters. | ||
| 362 | Attenuation pad for AJP-7 SBT-3KVHF G. Orlandi 11/14/69 | S-8001 | |
| 363 | Mod of MMX to operate w/ HFTA-10K to reach certain carrier vs. freq. programming. O. Pose 11/19/69 | ||
| 364 | Rear ventilation kit for GPT-20KW (van mount) 3/10/70 | ||
| 365 | Rear ventilation kit for non-van-mount 3/10/70 | ||
| 366 | Kit of plug in boards for MMXM-2 less LSB for AEC/Mark Zolly Chief Electronics Eng. 4/10/70 | ||
| 367 | Mod for CW keying ckt, time delay, MMX( )-2. See KIT-383. 12/8/70 | ||
| 368 | Mod MMXM-2 to MMXA-2 to include KIT-349 and KIT-363(modified) to be used with MRU-33 (ITT Makay Marine) Ben Nap 4/28/71 | S-1283 | |
| 369 | Kit to improve cooling for LPA-1 (when installed in cabinet MS-5373) G. Bliss 4/28/71 | ||
| 370 | Shock mounts BCT-10KA and vents to sides and top. 5/11/71 | S-1279 | |
| 371 | MCTR-10K | Improved PA band switch cooling. Parts consist of (6) CC-109-38, (6) MS-1601, 1 air duct. For S.O. 35-3037. 6/23/71 | |
| 372 | External metering ckt for HFT( )-10K( ) 7/2/71 | ||
| 373 | Mod MMX(M)-2 to MMX(A)-2B for use with HFTA-1KJ2. 7/8/71 | ||
| 374 | TER-18KC conversion to TER-25KC (with flanges?) 8/20/71 | S-1308 | |
| 375 | R-390A/URR | Lexington Army Blue Grass stabilization kit for R-390A/CV-157. Neil dePasquale/O Pose | S-1316, S-1315 |
| 375A | SBG-1 cabinet complete with slides and cabling but no equiopment (W Dearns) 8/26/71 | ||
| 376 | SBT-1KQ | Stabilization kit (incorporates an MMX( )-2A). Neil dePasquale 5/22/72 | |
| 376A | Remote access to Bird Coupler in FRT-40 for remote console display. 8/26/71 | ||
| 377 | HFT-10K | Blower mod kit. 9/9/71 | S-1287 |
| 378 | Antenna attenuator assembly (receiver) 10/6/71 George Fleather | S-1286 | |
| 379 | Mode block for COR-4B( ) system 10/11/71 | S-1285 | |
| 380A | PAL-10K (manual) | Replaces 8794 tube with 4CX10,000J 12/3/71 | S-1301 |
| 380B | PAL-10K (automatic) | Replaces 8794 tube with 4CX10,000J 12/3/71 | S-1298 |
| 381 | HFT-10K series | Automatic high voltage recycling (see MC TM 10KES for info) 2/18/72 | |
| 382 | MRU-33 | Switchable load resistor assembly. 2/24/72 | |
| 383 | MMX( )-2 | CW keying time delay. 2/25/72 | S-1293 |
| 384 | HFTA-10K, HFTM-10K | 5/1/72 | |
| 385 | HFTM-1K | 5/2/72 | S-1295 |
| 386 | HFTA-1K | Reliability improvement kit for HFT-1K transmitters S/N 40310,40311,40312,40313,40314,39849,39850,39851 5/3/72 | S-1299 |
| 387 | AN/FRT-39 | Permits remote control of plate voltage 5/31/72 | |
| 388 | AN/FRT-40 | Permits remote control of plate voltage 5/31/72 | |
| 389 | HFT( )-10K( ) | Transmitter reliability of 1st and 2nd amplifier 10/24/72 | |
| 390 | HFT( )-1K( ) | Transmitter reliability of 1st and 2nd amplifier 10/24/72 | S-1306 |
| 391 | HFT( )-10K | Shock mount kit for HFT( )-10K first used on HFTA-5KJ | |
| 392 | MMX( )-2 | Remote control of freq and mode of MMX 2/20/73 | S-1314 |
| 393 | RSU-1 | Mod of phase detector 6/7/73 | |
| 394 | DD-100 | Spare part replacement of DD100 | S-1320 |
| 395 | HFTM-10KJ & JS | Removal of capacitor motor drives & replacement with manual controls with counter readouts | |
| 397 | MMX( )-2 | Remote control of MMX for use with HFTR-1KJ2 (MMXR-2B) | |
| 398 | CFA-3 | Mod kit for changing frequency (2295, 1900, 1870) | |
| 399 | SYM-3202 | Consists of MPA-1 with handset and jacks. Number assigned to L. Klein | |
| 400 | HFT-1K | 7/11/74 | S-1343 |
| 401 | HFTA-1KJ2 | Mod interfacing kit for ATSA-2B with HFTA-1KJ2(1P) | |
| 402 | Decoupling unit used to interface ATSA-3 with transmitters. 11/12/74 | ||
| 403 | CFA-2 | Polar keying circuit. 11/12/74 | |
| 404 | GPR-110 | Automatic receiver tuning for GPR-110 (Wide World Wilcox) 11/12/74 | |
| 405 | MFT-10( ) | AX-5143 1/30/75 | |
| 406 | HFTA-10K | ALDC and load sense adjust modficiation. 4/9/75 | |
| 407 | HFTA-10K | Tuning vacuum capacitor mod. 5/2/75 | |
| 408 | HFL( )-10K | Protection cutoff circuit for drive-up and loading for all 10K transmitters | |
| 409 | HFL( )-10K | HF drift correction | |
| 410 | HFT-1K, GPT-1K | Transmitter shock mount 8/13/75 | |
| 411 | TU-2A | Transportable kit 8./14/75 | |
| 412 | Fan assembly (no info) 11/18/75 | ||
| 413 | GPT-1K series | Top blower kit 12/31/75 | |
| 414 | GPT-1K series | Fast tuning kit 12/31/75 | |
| 415 | GPT-10K | Step down transformer AX5113 TF410 | |
| 416 | GPR-110 | Mod to stabilize DC loop 3/31/76 | |
| 417 | HFTA-1KJ | Upgrade of distortion and power | |
| 418 | HFTM-10K series | Tune capacitor mod kit, converts air cap to vaccum (manual) 5/14/76 | |
| 419 | HFTM series | Same as KIT-377 with addition of one new main blower BL145 5/14/76 | |
| 420 | GPR-110 | Power transformer and M9 mod 6/3/76 | |
| 421 | HFL-100A | Bandswitch assy, harmonics, etc., mod 6/9/76 | |
| 422 | GPT(R)-1KCE4 | Update kit for #524536 (25 transmitter, Chile) 10/7/76 | |
| 423 | MMX( )-2 | T/R switch assy to improve receiver noise rejection. 12/28/76 | |
| 424 | HFTA-1KE | To shift freq 1KHz 3/24/77 | |
| 425 | HFT-1K/HFT-10K | Exhaust air damper control w/ smoke detector. 3/31/77 | |
| 426 | GPT and HFTA series transmitters | Automated antenna tuner ATSA-2 updating kit. 4/27/77 | |
| 427 | GPTA seriess | GPTA-1K system up-dating (Chile--6). 6/9/77 | |
| 428 | AMC-8 | Conversion of AMC from 70 to 50 ohm operation. 8/26/77 | |
| 429 | HFT-1K | ALDC/load adjust/trigger. 11/7/77 | |
| 430 | GPR-110 | GPR-110 update. 1/5/78 | |
| 431 | GPR-110 | Converts IF/Synth power supply 8/10/78 | |
| 441 | MMXR-2B | Convert MMX-2B to remote |
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