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Introduction

These are records of the work carried out by the research staff together with the drafted personnel from the Services particulaly related to the Interservices Ionospheric Bureau. As we find copies a link will be added to the entry with others listed awaiting identification.

List of topics 

Centimetre waves effects of refraction; Eckersley T L; Air Ministry Great Baddow Research Laboratories; March 1942; TR/434; RAF 5
The investigation of horizontally and vertically polarised direction finding of frequencies of the order of 20 to 70 megacycles per second; Eckersley T L; Air Ministry Great Baddow Research Station; September 1942; TR/451; RAF 5
Short wave direction finding; Eckersley T L; Air Ministry Great Baddow Research Station; 1942; TR/454; RAF 10
The calculation of oblique-incidence transmission; Cox J W; Baddow Research Laboratories; November 1942; TR/434; RAF 11
1 to 10cm propagation curves; Millington G; Baddow Research Laboratories; January 1943; RD 460; RAF 19
Abnormal region-E ionisation; Eckersley T L; Air Ministry Great Baddow Research Station; March 1943; TR/464; RAF 13
Non-linear theory of wave propagation; Millington G; Baddow Research Laboratories; March 1943; RD 580; RAF 45
Transmission over ground of varying earth constants; ; Air Ministry Great Baddow Research Station; July 1943; TR/473; RAF 23
The LORAN system; Eckersley T L; Air Ministry Great Baddow Research Station; 8 September 1943; TR/475; RAF 28
Scattering; Eckersley T L; Air Ministry Great Baddow Research Station; November 1943; TR/481; RAF 49
The effect of the geomagnetic field on electromagnetic waves vertically incident on the ionosphere; Cox J W; Air Ministry Great Baddow Research
Station; December 1943; TR/477; RAF 34
The attenuation of short radio waves by vertical reflection from the ionosphere; Cox J W; Air Ministry Great Baddow Research Station; January 1944; TR/478;
RAF 33
The propagation of ultra-short waves round hills and other obstacles; ; Air Ministry Great Baddow Research Station; 18 November 1943; TR/479;
RAF 41
Height-gain tests in the troposphere; Isted G A; Air Ministry Great Baddow Research Station; July 1944; TR/488; RAF 39
The reflection coefficient of a linearly graded layer; Section ‘E’; Air Ministry Great Baddow Research Station; September 1944; TR/492; RAF 50
Preliminary analysis of Height-gain tests in the troposphere; L/AC McDowell R F C; Air Ministry Great Baddow Research Station; September 1944;
TR/494; RAF 43
A note on the reflection coefficient of an isotropic layer of varying refractive index; Millington G; Air Ministry Great Baddow Research Station;
5 October 1944; TR/497; RAF 48
Alexandra Palace tests; Eckersley T L; Air Ministry Great Baddow Research Station; October 1944; TR/498; RAF 52

Polarisation measurements on reflected waves on 1.9 mc/s; Section ‘E’; Air Ministry Great Baddow Research Station; December 1944; TR/500;
RAF 53

Awaiting - TR456

There are also some referencing the work for the Admiralty:

A mercury-pool switch with electrostatic ignition; Baldwin Banks G; Great Baddow Valve Group; (ADM290A); December 1943; Box 2064

A wide range reflection oscillator valve (OT.48); Baldwin Banks G; Great Baddow Valve Group; (ADM294); January 1944; Box 2064

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