5340782998

R.T. <Ł I. oflfer the finest selecłion of first-class new and fully overhauled second-hand Communications and electronics equipment in the U.K.

0 Conrtont/y chonging i(ocks of a to¹ rango of OĄuipmont. 0 Co»h or Hlro Purchoto tormt eoiily orrongod.

0 Parł •Męfrenf«a woJcomed.

0 Wo aro ’²pot eoth² boy ar² for o/mort alloloctronic oĄuipmmnt.

Sond S.A.E. for our lateic lite of o tor 50 recaWcrs md miny othar iniaresting jtems.

R.T. & I. ELECTRONICS LTD.

AshvlU² OM Hall, A²bvilto Road, Loodon, E.11 fol: OJ-SJf 49U

MARK EQUIPMENT

V,H.F. U.H.F. ELECTRONICS 0803 55488    G8ABR

ABP 2 mitr² FET conrerter wilh duat osie mo²1²1 mliar N.F, tOB. IFi. Ez-atock. 2»;30. 14/1B. 4/0 MHz. £14²60 OalaWi on r²qua²l.

Vilvtl: OQVO3,20A £2 28 P.P. 5p Gofd płn«. Flrat Cła¹. Guaranlaad 3

Montha.

M.C. 78 • watt10 dni Tflpioi Ampllllar 2 XOQV02/8 £14.

Tron alitom: 2N524S (For mody TIStt). Mp. 40600 7Jo, 2N3810 4Sp. 2NT08 30p. 2N3826 2$p. 2N706 12p. TIS48 25p. 2N2368 »p. IN814 lip. BCtOO Mp.

Poal 3p. s»nd S.A.E. tpr lut and onpuirlM.

36 Lldiord Tor Av²nu². RoUlmd Park, Palgnton. Oavon.

Listen to the world with Eddystone

When ynu oun ao K<idy«(Ntr com-ttiiiriiralinm rrccivcr. yoa haVc tlić bruadcasiirig worki ot your fiuc er lipj - whrrrycr ynu happen to bf -

im lauri or at ²e». ²1²1 tę rcpitlalioti lliesc ku have uttamcrl ii proofortheir cx< rlteiicr and rrliability and at ltnhnf². there is a sik-t in! Kd<lv»ionc dc-partmem wbcrc you can iw. Iiere and cnmpnrc Ibc model² listed herc oikJ tomc or tlić Eddystone Professional rcccivers.

Same day dctpatdi to any part of the wortd; free deliucry in the U.K.; plus aftcr salesscruice Tor which Imhofa and Eddystone arc worki famout.

EDDYSTONE ECio Mark II transutorised Communications rcrcivcr. A <Wu« venion of lliis famom rlrsign nnw incorporatittK ²S² me ter and limitcd fmc tuner. £7p.un.

EDDYSTONE 830/7 widc rance troi² miunica limu rc«eivrr. A liistli grudę HF/ME reęeiycr covcriiiR BookHz-jwnHt in 9 ran ges willi cryatal contro! facilitics. Many satuiird users acrlaim il as "the Ucst cver²£340.00.

łbie to Professional corninitmcnls the Eddystone rance avaitablc to ilie generał public is limitcd for the time bcing. Howeacr. new modeli orc under <!e\cloprnciił—kccp an cyc on our advcrliscłnc»tl for advanced information. Meantimc, the KCto Mark II continucs to prove the most |x>pular medium priced receivcr ever introduccd by Eddystone.

MA IN EDDYSTONE OISTRIBUTOKS

Dcpc: ia-6

11 a-l t6 Naw Oaford Street, London, WCiA tHJ

Tel: [phone] RMG

THE SENATOR CRYSTAL BANK

G3UGY

CRYSTAL8 FROM 8TOCK AT KEEN PRICE8    Phone [phone]

aaauretthia.

Mail Order SENATOR CRYSTALS Dapl. Q.C. 36 VaJI²yft²ld Road. S.W. 16

SENATOR CRYSTAL5 proven incard show² tham to belhe natdlotdor² Inthe art pl catering lor crysUl r²qulr²m²nt». Upon revi²w. It becomee fairly obWous why thla shouldfa². At SENATOR, prior lo dispatch.every crysUl i² lostod on inlomahonally approv«d tesl teliln conlunetlon wlth froquency countert. theraby elimlnatlng error and atiuring that etery cryatal unit It dispetched in perloet worKIng order.

69.000 BRANO NEW, modern cryaUla under our control Ond actuolly in our own elock-rooma. la lufficient raaton for our cuslomere. who rangę Iromamatoura to th² Post Oftict. gorarnmant departmenta. uni¹fslti#s and laadlng oloctronlca menu-(aclurara. to order Ir om SENATOR timaand timeagaln. partlcularly wben they naad Ctyetale in a hurry.

Hera aro |utt a fow ol the popular froquenciea actually In atock now:

£

100kHz		In	HC1WU	at	2.58
1.000MHz		in	HC6/U	at	1.76
2.000	88	•p	88	8#	1.50
3.500	M	88	8»	68	1.75
5.000	*•	aa	MC25/U^2	PO	1.50
7.000	Po	• 8	HC6/U	00	1.10
0.000	88	•a	• »	• 8	1.90
to.ooo	00	•ł	00	•0	1.90
30.000	*8	88	88	M	1.80
32.600	•8	88	Hcta/u^2	98	1.80
34.000	88	00	M •	aa	1.80
34.500	aa	88	•8 •	PO	1.60
36.000	88	88	•• •	00	1.76
35.500	88	8^2	80 •	• 8	1.7S
38 666	88	• 6	99 •	88	1.39
40.000	PP	• 8	10 •	00	t.60
70.000	88	8^2	*• 8	19	Ł00
71.000	••	00	88 •	00	2.00

design², and cryttalt lor every amalaur bnnd always in stock. Thara ara »c many thousands mora uaaful fraquonclaa in d>a Bank thal to 11²1 tham all would taka too long. Why not talephone or wrlto your onqulry (o u² 1 Erperionce provo² that w² ar² surę lo hav² tomathlng v²ry CłOae to—41 not tpol-on-the lraquaney you r²quira Irom 50kHz Ihru 132MHz in stock.

When telophonlng. you can ba astured ef a epeedy answor lo your onąuiry. All oui stock la racordad (no Computer²— fust hard-working stafl).

Should you r²qulr# crystal² mada lo ordar-no problem. W² can supply a² tollow²: 3rd. SIN and ?th OVERTO NE to an ad|u²tment tolorance o» ± 0 006%. (Will hołd 60 ppm Irom —20 lo + 70 dag. C.) Arailabła In HC6/U, 1S/U and 2S/U:

179MHz	*•	200.0MHz	£ 12.88
140 ^M	08	174.8 "	8.79
tto “	88	139.8 ^1	7.08
60 "	M	109.9 ^1	3.25
17 ^1	90	59.9 '•	2.50

FUNOAMENTAL MODĘ to an adjuatmant tolaranco ot £ 0.006% arałlablo In HC6/U, I8/Uand 25,*U:

£

11.5MHz to 20.00MHI    2.50

4.0 “    ^M    11.49 ••    2.50

The tollowing In HCi/O only. 0 006% tolaranco:

1.4MHz    to    3.9 MHz    3.00

1.0    "    **    I -39 "    3.28

The toltowino to 0.01 % tolorance:

£

500kHz	lo	999kHz	In	HC1/U	£ 4.50
450 ^2•	88	499 ”	08	HC5/U	3.98
150 •^2		449 ^2•	9^2	HC6/U	3.15
50 •»	lo	149 ^1	0 0	HCts;u	4.60

Betów 50kHz and to ctoeer tolorance². by quote.

Type² avail²bl²: Flazural Moda; NT Eloment²;

J Plata; Ouplea Elamanl² etc.

SENATOR can aupply cryatal uniltto Brlllah and U.S-A. Oaionca apacs.

Now you'va raad thla adv²nltem²nt. «»² naturally hopo that you ar² “hookcd" on SENATOR CRYSTALS; how#²ar. |l you ara not. daal wllh u² once and we are sura that you will ba. SENATOR know how and 55.000 unit² actually In ałock practlcally

437

RADIO COMMUNICATION June 1971

1

Alao, 200kH{. 500kHz. 8797.190kHz tor R.A.E.N., mott cry²t²l» for G20AF and Otbtr

2

- Afto amlloOte in HC«;U.

And hera²a Our stoc² ranga ol BRANO NEW HC6/U SMHz lor 2M:

6.001 8.012    8 018    8.021    8.032    8.041    8.043 8.041    8.048

8.0665 8.068    8.061    8.070    6.061    6.002    8.100 8.104    6.107

ALL at £t.2S aacłi. pott.froe It will be lound that Iheaa cryaUla puli a long way when uied in a VXO Circuit.

To pul INOUE IC-2F'a on lo ł45.000MHi, wo can aupply from STOCK t6 t23MHz and 44.766MH1 in HC2S/U hotder². at £1.80 aacN.