------------------------------------------------------------------------------------------------------------------- | Radiosonde Model | Country | Temperature Sensor | Humidity Sensor | Pressure Sensor | ------------------------------------------------------------------------------------------------------------------- | A-22-IVD | USSR | Spiral bimetal plate | Goldbeater's skin | Two bronze aneroid | ------------------------------------------------------------------------------------------------------------------- | A22 Series | USSR | Spiral bimetal plate | Goldbeater's skin | Varies according | ------------------------------------------------------------------------------------------------------------------- | A22-III (403 MHz) | USSR | Spiral bimetal plate | Goldbeater's skin | Two bronze aneroid | ------------------------------------------------------------------------------------------------------------------- | A22-IV (403 MHz) | USSR | Spiral bimetal plate | Goldbeater's skin | Two bronze aneroid | ------------------------------------------------------------------------------------------------------------------- | A22-VII (403 MHz) | USSR | Spiral bimetal plate | Goldbeater's skin | Two steel aneroid | ------------------------------------------------------------------------------------------------------------------- | AIR (Atmospheric | USA | Thermistor with white lead | Carbon hygristor | Aneroid cell | ------------------------------------------------------------------------------------------------------------------- | Astor 402 MHz, | Australia | White ceramic rod | Lithium chloride | Single aneroid | ------------------------------------------------------------------------------------------------------------------- | Astor 72 MHz | Australia | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Astor Raysonde | Australia | Rod thermistor in duct | Lithium chloride | Single aneroid | ------------------------------------------------------------------------------------------------------------------- | Astor Series | Australia | Rod thermistor | Varies according | Aneroid | ------------------------------------------------------------------------------------------------------------------- | Autovox | Italy? | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | AWA (like the | Australia? | Rod thermistor in duct | Lithium chloride | Single aneroid | ------------------------------------------------------------------------------------------------------------------- | Bendix | USA | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Bendix 403 MHz | USA | Rod thermistor | Carbon hygristor | ? | ------------------------------------------------------------------------------------------------------------------- | Bendix Friez 271-2 | USA | Electrolytic tube in duct | Hair in duct | ? | ------------------------------------------------------------------------------------------------------------------- | Bendix Friez | USA | Electrolytic tube in duct | Hair in duct | ? | ------------------------------------------------------------------------------------------------------------------- | Bendix WB (1680 | USA | Thermistor | Carbon hygristor | ? | ------------------------------------------------------------------------------------------------------------------- | Beukers Microsonde | ? | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | CDC (Compagnie de | France | Bimetal | Goldbeater's skin | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Chronometric | Canada | Bimetal | Goldbeater's skin | ? | ------------------------------------------------------------------------------------------------------------------- | Deutsche | Germany | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Diamond Hinman | USA | Thermistor (ML419/AMT-4) | Lithium chloride | ? | ------------------------------------------------------------------------------------------------------------------- | Eclipse Radio | Australia | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | EEC | ? | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Elin Austria | Austria | VIZ thermistor | VIZ carbon | Hypsometer | ------------------------------------------------------------------------------------------------------------------- | Freiberg | ? | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Graw (Generic) | Germany | Varies according to model | Varies according | Varies according | ------------------------------------------------------------------------------------------------------------------- | Graw 78 | Germany | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Graw GL80 | Germany | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Graw H48 | Germany | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Graw H50 (27 MHz) | Germany | Bimetal cylinder | Originally human | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Graw H60 | Germany | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Graw M60 (27 and | Germany | Bimetal cylinder | Artificial hair | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Graw Minisonde | Germany | Bead thermistor | Carbon element | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Graw RSG (403 MHz) | Germany | Bead thermistor | Originally | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | GZZ-2 (also called | China | Bimetal strip in a double | Goldbeater's skin | Double aneroid | ------------------------------------------------------------------------------------------------------------------- | GZZ-7 (China) | China | Rod thermistor | Carbon hygristor | Nickel span C | ------------------------------------------------------------------------------------------------------------------- | Hypsometer | USA | Probably rod thermistor | ? | Hypsometer | ------------------------------------------------------------------------------------------------------------------- | India | India | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | India Clock Type | India | Bimetallic spiral pen for | Bimetallic spiral | ? | ------------------------------------------------------------------------------------------------------------------- | India Fan Type | India | Bimetallic spiral pen for | Bimetallic spiral | ? | ------------------------------------------------------------------------------------------------------------------- | India Mark 3 (401 | India | Rod thermistor with | Lithium chloride | Baroswitch | ------------------------------------------------------------------------------------------------------------------- | India Met. Dept. | India | Varies according to model | Varies according | ? | ------------------------------------------------------------------------------------------------------------------- | Kew Mark 3 | UK | Coiled tungsten wire | Goldbeater's skin | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Kew Mark I | UK | Bimetallic strip | Goldbeater's skin | Aneroid | ------------------------------------------------------------------------------------------------------------------- | Kew Mark II | UK | Cylindrical bimetallic | Unvarnished | Aneroid | ------------------------------------------------------------------------------------------------------------------- | Kew Mark IIB | UK | Cylindrical bimetallic | Unvarnished | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Lang | Germany | Cylindrical bimetal | Hair | ? | ------------------------------------------------------------------------------------------------------------------- | MARS (1782 MHz) | USSR | Rod thermistor (covered | Goldbeater's skin | None | ------------------------------------------------------------------------------------------------------------------- | Meisei | Japan | White glass-coated | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Meisei R-91 | Japan | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Meisei RS-53 (408 | Japan | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Meisei RS-56 (408 | Japan | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Meisei RSII-56 | Japan | Bimetal | Hair | Phosphor-bronze | ------------------------------------------------------------------------------------------------------------------- | Meisei RSII-69 | Japan | Glass-coated bead | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Meisei RSII-76 | Japan | Rod thermistor (?) | Carbon hygristor | Nickel-span | ------------------------------------------------------------------------------------------------------------------- | Meisei RSII-80 | Japan | White glass-coated | Carbon hygristor | Nickel-span | ------------------------------------------------------------------------------------------------------------------- | Meisei RSII-85 | Japan | VIZ rod thermistor (?) | Carbon hygristor | Nickel-span | ------------------------------------------------------------------------------------------------------------------- | Meisei S-50M-L | Japan | Bimetal | Hair | Phosphor-bronze | ------------------------------------------------------------------------------------------------------------------- | Meisei-Japan (G) | Japan | Varies according to model. | Varies according | Varies according | ------------------------------------------------------------------------------------------------------------------- | Mesural | France | Varies according to model. | Goldbeater's skin | Aneroid | ------------------------------------------------------------------------------------------------------------------- | Mesural and Metox | France | Varies according to model. | Varies according | Varies according | ------------------------------------------------------------------------------------------------------------------- | Mesural FMO 1940B | France | Bimetal | Goldbeater's skin | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Mesural FMO 1943B | France | Bimetal | Goldbeater's skin | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Mesural FMO 1944C | France | White-coated rod thermistor | Goldbeater's skin | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Mesural FMO 1945 | France | White-coated rod thermistor | Goldbeater's skin | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Mesural FMO 1945A | France | White-coated rod thermistor | Goldbeater's skin | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Mesural FMO 1945B | France | White-coated rod thermistor | Goldbeater's skin | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Mesural FMO 1950 | France | White-coated rod thermistor | Goldbeater's skin | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Mesural FMO 1955 | France | White-coated rod thermistor | Goldbeater's skin | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Mesural MH-73A | France | Thermistor | Goldbeater's skin | ? | ------------------------------------------------------------------------------------------------------------------- | Metox | France | Bimetal | Goldbeater's skin | Bellows | ------------------------------------------------------------------------------------------------------------------- | Metox 403 MHz | France | Thermistor rod | VIZ carbon | ? | ------------------------------------------------------------------------------------------------------------------- | Metox CT | France | Bimetal | Goldbeater's skin | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Metox Goldbeat. | France | Bimetal | Goldbeater's skin | ? | ------------------------------------------------------------------------------------------------------------------- | Metox Hair | France | ? | Hair | ? | ------------------------------------------------------------------------------------------------------------------- | Metra 972 (same as | Czechoslovakia | Bimetal plate | Hair | Two aneroid boxes | ------------------------------------------------------------------------------------------------------------------- | MRZ (Like MARS but | USSR | Rod thermistor | Goldbeater's skin | None | ------------------------------------------------------------------------------------------------------------------- | ONM | France | Spiral plate conductor | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Philips (Generic) | Australia | Probably rod thermistor | Varies according | Probably aneroid | ------------------------------------------------------------------------------------------------------------------- | Philips Mark II | Australia | White ceramic rod resistor | Lithium chloride | Single aneroid | ------------------------------------------------------------------------------------------------------------------- | Philips Mark | Australia | ? | VIZ carbon | ? | ------------------------------------------------------------------------------------------------------------------- | Philips Mark III | Australia | ? | VIZ carbon | ? | ------------------------------------------------------------------------------------------------------------------- | Philips RS4 | Australia | ? | Lithium chloride | ? | ------------------------------------------------------------------------------------------------------------------- | Presale (1947 | France | Bimetal | Goldbeater's skin | Bellows | ------------------------------------------------------------------------------------------------------------------- | Presale Model X | France | Bimetal | Hair | Bourdon tube | ------------------------------------------------------------------------------------------------------------------- | RKZ (1782 MHz) | USSR | Thermistor | Goldbeater's skin | ? | ------------------------------------------------------------------------------------------------------------------- | RKZ (or RKS) | USSR | Varies according to model | Goldbeater's skin | Varies according | ------------------------------------------------------------------------------------------------------------------- | RKZ-1 | USSR | Bead thermistor | Goldbeater's skin | Calibrated | ------------------------------------------------------------------------------------------------------------------- | RKZ-2 | USSR | MMT-1 rod thermistor | Goldbeater's skin | None | ------------------------------------------------------------------------------------------------------------------- | RKZ-5 | USSR | Bimetal | Goldbeater's skin | None | ------------------------------------------------------------------------------------------------------------------- | RM-12 | Poland | ? | Goldbeater's skin | ? | ------------------------------------------------------------------------------------------------------------------- | RZ-042 | USSR | ? | Normal hair | ? | ------------------------------------------------------------------------------------------------------------------- | RZ-049 (also known | USSR | Bimetal plate | Rolled hair | Two aneroid boxes | ------------------------------------------------------------------------------------------------------------------- | Shanghai Radio | China | Bimetal strip in a double | Goldbeater's skin | Double aneroid | ------------------------------------------------------------------------------------------------------------------- | Space Data | USA | Ceramic flake thermistor | Carbon hygristor, | Barometric | ------------------------------------------------------------------------------------------------------------------- | Sprenger | ? | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | SRS-400 | Switzerland | Thermocouple | VIZ Accu-Lok | Water hypsometer | ------------------------------------------------------------------------------------------------------------------- | Swiss (Generic) | Switzerland | Varies according to model | Varies according | Varies according | ------------------------------------------------------------------------------------------------------------------- | Swiss Sonde (Model | Switzerland | Bimetallic strip | Hair (1942-1959). | Single pair of | ------------------------------------------------------------------------------------------------------------------- | TC-1/01 (China) | China | Rod thermistor | Carbon hygristor | none | ------------------------------------------------------------------------------------------------------------------- | TC-1/02 (China) | China | Rod thermistor | Carbon hygristor | Nickel span C | ------------------------------------------------------------------------------------------------------------------- | Transponder Type | USA | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | U.S. Weather | USA | Carbon hygristor | Lithium chloride, | Baroswitch | ------------------------------------------------------------------------------------------------------------------- | U.S.A. CMD 18 (May | USA | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | U.S.W.B. | USA | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | UKMO Sonde | UK | Varies according to model. | Goldbeater's skin | Aneroid | ------------------------------------------------------------------------------------------------------------------- | Vaisala (Generic) | Finland | Varies according to model | Varies according | Varies according | ------------------------------------------------------------------------------------------------------------------- | Vaisala RS 2 56 | Finland | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Vaisala RS 38 | Finland | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Vaisala RS 53 | Finland | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Vaisala RS 56 | Finland | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Vaisala RS 58 | Finland | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Vaisala RS11 (25 | Finland | Bimetal strip | Normal hair/rolled | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Vaisala RS12 (25 | Finland | Bimetal strip | Rolled hair | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Vaisala RS13 (25 | Finland | Bimetal strip | Rolled hair | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Vaisala RS13 15 | Finland | Bimetal strip | Rolled hair | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Vaisala RS15 (25 | Finland | Bimetal strip | Rolled hair | Aneroid capsule | ------------------------------------------------------------------------------------------------------------------- | Vaisala RS18 | Finland | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Vaisala RS21 (400 | Finland | Bimetal ring in a duct | Rolled hair. | Double aneroid | ------------------------------------------------------------------------------------------------------------------- | Vaisala RS80 | Finland | THERMOCAP - ceramic | HUMICAP - | BAROCAP - | ------------------------------------------------------------------------------------------------------------------- | VIZ (Generic) | USA | Rod thermistor | Varies according | Varies according | ------------------------------------------------------------------------------------------------------------------- | VIZ - Jinyang | Korea | Rod thermistor | Carbon hygristor | ? | ------------------------------------------------------------------------------------------------------------------- | VIZ - Sangamo | Canada | Rod thermistor | Carbon hygristor | ? | ------------------------------------------------------------------------------------------------------------------- | VIZ - Valcom | Canada | Rod thermistor | Carbon hygristor | ? | ------------------------------------------------------------------------------------------------------------------- | VIZ 1206 | USA | Rod thermistor | Carbon hygristor | Baroswitch | ------------------------------------------------------------------------------------------------------------------- | VIZ 1295 | USA | Rod thermistor | Carbon hygristor | Baroswitch | ------------------------------------------------------------------------------------------------------------------- | VIZ 1392 | USA | Rod thermistor | Carbon hygristor | Baroswitch | ------------------------------------------------------------------------------------------------------------------- | VIZ 1394 | USA | None | None | Baroswitch | ------------------------------------------------------------------------------------------------------------------- | VIZ 1395 (403 MHz) | USA | Rod thermistor with white | Carbon hygristor | Baroswitch | ------------------------------------------------------------------------------------------------------------------- | VIZ 1397 | USA | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | VIZ 1475 | USA | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | VIZ 1492 | USA | Accu-Lok thermistor | Carbon hygristor | Baroswitch | ------------------------------------------------------------------------------------------------------------------- | VIZ 1495 | USA | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | VIZ A (Model | USA | Accu-Lok | Accu-Lok carbon | Baroswitch | ------------------------------------------------------------------------------------------------------------------- | VIZ ACCU-LOK | USA | Accu-Lok thermistor | Accu-Lok carbon | ? | ------------------------------------------------------------------------------------------------------------------- | VIZ AMT 4 (1680 | USA | Rod thermistor with white | Lithium chloride | Mechanical | ------------------------------------------------------------------------------------------------------------------- | VIZ AMT 48 | USA | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | VIZ AN/AMQ 9 (Army | USA | Rod thermistor | Carbon film | None | ------------------------------------------------------------------------------------------------------------------- | VIZ AN/AMT (Army | USA | Varies according to model | Varies according | Varies according | ------------------------------------------------------------------------------------------------------------------- | VIZ AN/AMT 1 | USA | Rod thermistor | Lithium chloride | Baroswitch | ------------------------------------------------------------------------------------------------------------------- | VIZ AN/AMT 12 | USA | Rod thermistor | Carbon film | Baroswitch | ------------------------------------------------------------------------------------------------------------------- | VIZ AN/AMT 2 | USA | Rod thermistor | Lithium chloride | Baroswitch | ------------------------------------------------------------------------------------------------------------------- | VIZ AN/AMT 2C | USA | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | VIZ AN/AMT 4 | USA | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | VIZ AN/AMT 4B | USA | Rod thermistor | Lithium chloride | Baroswitch | ------------------------------------------------------------------------------------------------------------------- | VIZ AN/AMT 4D | USA | Rod thermistor | Carbon hygristor | Baroswitch | ------------------------------------------------------------------------------------------------------------------- | VIZ AN/AMT MOD | USA | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | VIZ B (Model | USA | Accu-Lok | Carbon hygristor, | Baroswitch | ------------------------------------------------------------------------------------------------------------------- | VIZ J008 SOLID | USA | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | VIZ LORAN-C | USA | Rod thermistor | Accu-Lok carbon | Capacitive sensor | ------------------------------------------------------------------------------------------------------------------- | VIZ MICROSONDE | USA | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | VIZ Mk I (403 MHz) | USA | Accu-Lok thermistor | Accu-Lok carbon | Baroswitch | ------------------------------------------------------------------------------------------------------------------- | VIZ Mk II | USA | Rod thermistor | Accu-Lok carbon | Capacitive sensor | ------------------------------------------------------------------------------------------------------------------- | VIZ OMEGA | USA | Rod thermistor | Accu-Lok carbon | Capacitive sensor | ------------------------------------------------------------------------------------------------------------------- | Weathermeasure | ? | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | Whitely Electric | UK ? | ? | ? | ? | ------------------------------------------------------------------------------------------------------------------- | WSM AMT 4A | USA | ? | ? | ? | -------------------------------------------------------------------------------------------------------------------