DF

(redirected from DfES)
Also found in: Dictionary, Medical, Acronyms.

DF

1. Abbr. for daylight factor.
2. On drawings, abbr. for drinking fountain.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

DF (direction finder)

A radio receiver equipped with a direction-sensing antenna used to take bearings on a radio transmitter. A direction finder essentially consists of a loop aerial. To remove 180° ambiguity, a sense aerial is also brought into the circuit. The DF system can either be airborne or ground-based. See automatic direction finder.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
The DfES also declined to comment, saying it could not talk about individual cases.
Flow concerned should we be about the inability to look inside the black box of DFEs? When it comes to readily available public information on the allocation of private pension plan investments, we are astonishingly ignorant.
According to the company, DfES signed an agreement to use the Zanzibar service infrastructure to deliver a new marketplace for schools, known as 'OPEN' (Online Procurement for Educational Needs).
The British Humanist Association and the Christian think-tank Ekklesia wrote to the DfES earlier this year to say that Truth In Science was promoting creationism and intelligent design.
The DfES estimates were applied to the number of surplus places in Cardiff's schools calculated in accordance with the same Welsh Assembly Government regulations used by all Welsh local education authorities.
This is a joint initiative led by the Department for Education and Skills (DfES) and the DCMS that had as one of its principal aims to take forward the recommendations that "public and educational libraries in communities or defined geographic areas should establish co-operative arrangements to improve services to their users" (Library and Information Commission, 2000, para.
Craig handed the petition to the council's director of education resources, Jeff Mann, to take to the government's Department for Education and Skills (DFES).
Colin Rayner, a senior instructor at the Newmarket riding school, and Sarah Hayde, a workplace co-ordinator, have both been shortlisted for a DFES STAR Award, Rayner in the Work-Based Learning Trainer of the Year category and Hayde in the Outstanding Support Other Than Learning category.
By 2014, the government aims to raise R&D public and private investment from its current rate of 1.9% of GDP to 2.5% To meet these goals, the government plans to increase its science funding through the Department of Trade and Industry (DTI) and the Department for Education and Skills (DfES) to an annual average rate of 5.8% in real terms by 2007-08.
THE DFES insists cash given to LEAs is not reaching schools.
An informed source told JED that about one fourth of the fleet has been fitted with new direction-finding encoders (DFEs), which enable more accurate emitter location, which allows the -161 to direct its jamming more accurately and get more power on target.
She said that the Department for Education and Skills (DfES) was investigating 279 ILA providers and 30 individuals in connection with fraud allegations.