5340782995

9MTY			03ZY
ll. & A. TWEEDY (Electronic Sunolies) Ltd.
- SPECIALIZING IN	AMATEUR RADIO EOUIPMENT
Fuli rango ot KW ogulpmant and occoiaorloa In otoeft.
KW 2000B with A.C. p.S.u. £244.00		Matchlng YFO 48 ..	£35.00
KW Atlanto wllh A.C.		Matchlng YFO 4A ..	£32.00
p.t.u.......	£200.08	KW EZEE Match ..	£13.50
KWLlnoartOOO	£125.00	KW 103 SWR/Powor Indi*
KW 10t SWR Indlcator* ..	£0.25	caloro ......	£12.50
KWOummy Loadi..	£7.00	KW Trapa ond Insulator ..	£4.00
KW Boluno......	£1.75	KW Trap ..........	£1275
Trio 9RS9DS Recohrer	£42.50	Trio JR310 RocoWor	£77.50
Trio TS510O wllh A.C.		Trio JRS99 Rocolvor	£185.00
o.t.u. ......	£180.00
Ton«Toc PM2 Tranatotor		Ton-Tac PM3 Tronalslor
Ta/Ra ......	£32.50	Tł/fll o, m • ag	£4250
TAYA5U AERIALS (CHEBTERFIELO)
Tovoou 100* whlp wllh booo	£2.88	T*v«su 160 metro Roaonalor	£275
Toviau 80 motro Rooonotor	£2.75	Tovaau 40 motro Roaonolor	£247
Tovoau 20 motro Roaonalor	£2.20	Tavoau 15 motro Rooonator	£2.20
Tav*su C.P. Adaptor	»P	Poot and packing ..	ISp
Trymu p*efc*g*d dttl contUMnf of om of t*ch of Iht itomt lUted CI1.7S
plus 37p postago and packing.
Opantng May Slot our now damonatrotlon and show room Idoalfy locatod on tho AOli botwoon Chootorflold ond Baalów. Ampla prlvata
parking, Opan Monday* and auanlngs only at flrat QTH Stonolsfgh Farm. Wadahalf. Chaatarflatd. Opon aa usual durlng normaJ shop
heuro.
Hf. Tętnu MVeU»ble		Pert etchenott
64 Lordsmill Street,		Chesterfleid, Derbyshire
Tel.: Chesierfletd 4942 ot 64004 Urtnlnęt)

BLOWERS. 240 volt AC

ohadod polony ca loa^M motor,

contlnuou* rated vory aliant.    f

Double sir Intoka, singla out-

put of about 45 C.F.M. Ovor*ll

sit* 4J* a 41* a 5|*. Ideał lor    ₍    x

cooling oqulpmant. etc. Brand    '

naw. Our prlco owlng to łaroo

purchaso, £2.25. post 2Sp. 2    _

for £4.25, post. 35p.    ^

CRY9TAL8 FT242. S75G-0000, 7150-7000. 1100-0025 In 25 KHz step*. All aacspt 0100® 25p oach. 5 for £1.00. post 7p. 0100. 3tp. post 7p.

40 A8SORTEO CRYSTALS Includlno FT242 and 24tA typ#*. £1.00. post and packłng. 2Sp.

R.F. METCRS. 2* round. in (ollowlng rang* 250—260. 500 MA and 1 amp. Up oach, post lOp. 4 Motors for £2.20. post and pocfclng. 27p.

OSCILLATOR UNIT No 704 for R1092A rocalogr. 2 vahroa EF91, 7 minio-luro wlro ondod cryatals. 2 coramlc yaaloy awltchoo. mlcroowllch, yarloblo condmsor about 17PF, wllh alow motlon dlal, 21* cantro taro motor, 50 mlcro ampo, eona rao, pługa, sockats. In Aluminium caaa. Brand now wllh clrcult diagram, £1.50, poot. SSp.

C ATALOOUE No to. 23p post froo.

ARTHUR 8ALUS LTO,

2t Gardn*r Straot, Brighton, SuaooK.

SOLID STATE HODULES

14, Dalton Creen Lane, Hudders field H05 5YE

Tel: HuddorafUld 25173

NEW. SOLIO STATE 9MHt. S88 GENERATOR

★    S*f*ci*b!«i USB. LSB and C W.

★    0 2 yolls Inlo 10 Ohm* oułput.

★    Sldoband suporoaslon 45dB. Carrlor aupproasion 60dB.

★    Employa *n all naw v*cy atabl* balancad modulator drcult.

★    A oound baala lor your SSB transmłttor.

★    PRICE: £21-00

THE SENTINEL OUAL OATE MOSFCT VHF CONYERTERS k Low nolaa figuro ot 2dfl.

k Eicolłant oytHoad and cross modulatJon porlormanco.

★    Oual gale MOSFET R.F. ampllflor and miaor.

★    Compact 21* x 3* x tł* aluminium caso.

★    2 motro IFa atockod: 44MHz, 911MHz, 14-16MH*. 18-MMHi. 23-28MHz. 24-21MHz, 28 30MHz

★    4 motro IFa stockod: 25-2S.7MHZ, 2S-28*7MH|.

★    PRICE: £12*75

Lot* ol Interosl now In 70cm*.

SM 70 70c«na FET CONYERTER k Low nolso figuro 3.548.

★    tF oulpul 144-14«MHz for connocllon Into a 2 motro eon vsrtor. Thls arrangamont moana Ihsl wo can produco a high porlormanco 70cm unii lor only £12*75.

THE SENTINEL LOW NOlSE FET PRE AMPLIFIER k FET and compononts soloctod lor a low nolco figuro ot IdB.

★    Galn ol l8dB.

★    PRICE: £0*40.

THE SPITF1RE 2 METRE A.M. TRANSMITTER Ar 5 watts Input. At toast 2 wątło oulput.

★    12 volts oporatlon.

k Modulation wovo ahspinp olyoa good, cloan 100% audio. k Audio modulation monitoring point lor hoadphono*.

★    Sito: 41* x 21* * S|* doop.

★    PRICE: £22*00

THE SPITF1RE MODULATOR k Fully modułatos tho abovo transmłttor.

★    FET Jnput lor high or low Impcdanco mlcrophonos.

★    Conlaln* sond/rocolvo swllch.

k Samo slzo and appoaranes aa lho Iransmtttor.

★    PRICE: £10-00

FOR SALE (eeirtdj

MlKES MASTS 30ft and 40ft from £14, synthetic ropę, pulleys, wlre, Insulators, shackles, earth rods. etc. SAE list G3JMG QTHR.

QSL CAROS. GPO approved log books, prompt dellvery. Samptes SAE Atkłnson Bros., Printers. Looe, Cornwall. PL13-ILA.

RAOIO AMATEURS HANOBOOK, 1971. The atandard manuał of Amateur Radio Communications publlshed by the ARRL 48th edltlon. Cash with order, £2*50, Postage 22p from BAILEY BROS. A SWINFEN LTO., Warner House, Folkestone, Kent

QSL CAROS: 1,000 from £2*98. SAE samples. Ara Press, 46 Moat Avenue, Coventry.

UNIMIXER battery/mains mlxlng unit with Professional speci-fications. £45. Revłews. apeclflcatlons. s.a.e. Soundex Ltd., 18 Blenheim Rd., London, W4 1ES.

14 L.O.P. TRANSFORMERS £12. 80 tv vaives £25. everything brand new. Late dealera stock. Wouid exchange for ham oear W.H.Y. Box L7439 c/o Radio Communlcation 4, Ludgate Circus, London, EC4.

SB 101 with some 102 mods cw psu S140 SB 200 Llnear. Heathkit checked. 580. K. O. Abbott, 2 Broomfield Ave. Tełtcombe Cllffs, Susses.

Co-axiol Elb o w Plugs. 751) S.M. Series. Sealed in makers packing. Offers for one lot of 150 only. Reply to A. A. Bickers 192 Garretls Green Lano Birmingham B26 2SB Telephone 021*743 5833

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We now have G8DNM as shop manager and as a result of this we are now open 6 days a week—Monday—Saturday Inc.

We shall be attending the following mobile ra/lies in June :■ 13th June, 1971 Elvaston—Nr. Derby 27th June, 1971 Hanworth—West London.

S. A. E. for lists.

32, Feltham Hill Road, Ashford, Mfddlesex. Tel: ASHford 55265.

436

RADIO COMMUNICATION June 1971