PAPERS

The Abnormal Quiet Days in SQ(H) in Mid and Low Latitudes Regions

F. N. Okeke 

1

Abstract

Latitudinal Geomagnetic Variation in H on Quiet Days at Equatorial Stations

F. N. Okeke and A. B. Rabiu 

3

Abstract

Studies of Super-Refractivity and Ducting of Radiowaves in Nigeria

E. S. Falodun and L. B. Kolawole 

5

Abstract

Measurement of Ground Electrical Conductivity for Planning Medium Wave Radio Broadcast Stations in South Western Nigeria

Moses Oludare Ajewole and Adeseye Muyiwa Arogunjo

11

Abstract

Soybean Oil as an Alternative to Soluble Oil in Machining Mild Steel Materials

Sam. B. Adejuyigbe and S. P. Ayodeji 

17

Abstract

Development of Electron-positron Screened Pseudopotential

M. O. Osiele, I. A. Fuwape and I. A. Ashaolu 

24

Abstract

Investigation of Transmission Impairments on Bauchi F. M. Broadcast through Field Strength Measurements

S. O. Alao and S. F. A. Akande 

28

Abstract

Low-latitude Model Electron Density Profiles using the IRI and CCIR Models

A. O. Ologunleko and L. B. Kolawole 

33

Abstract