Arrow Specials

PANADAPTER Convert this JP69C ALA2 per June 1984 issue 73. New with tubes. S22.50 Used with tubes. 17.50 R 9 ARC4 2 meter receiver tunable 118 to 148 mc. Complete with 9 tubes. 29.95 COLLINS RECEIVER IR105 ARRIS, 1500 to 18500 Kc. Com* plete with 14 tubes 47.50 1271 ART28 420 mc transmitter 69.50 APXG TRANSPONDER 1296 mc. Complete with tubes. 14,95 COLLINS Single Side Band Multiplex Generater using mechanical Filter * F84Z-2 or similar 24,50 T179 ART26 TV Transmitter Complete with all' tubes...

Ct Crystal Controlled Alignment Oscillator

The International C-12 alignment oscillator provides a standard for alignment of IF and RF circuits 200 kc to 60 mc. It makes the 12 most used frequencies instantly avaiiab through 12 crystal positions 200 kc to 15,000 kc. Special oscillators are availabEe for use at the higher frequencies o 60 mc. Maximum output .6 volt. Power requirements 115 vac. C-12 complete, but less crystals. Shipping weight 9 lbs. Cat No. 620-100 . , 69*50 C-12M FREQUENCY METER For Marine Band Servicing The...

Wdia

If you've been thinking about trading up to some New Equipment, now is the time to get our quote. You'll never get a better deal Use handy coupon below There is no obligation.*' 4828 West Fond du Lac Ave., MILWAUKEE, WISCONSIN 53216 7 1 am interested in the following new Items Rush me your SPECIAL MOVING SALE TRADE-IN DEAL by return mail. I understand I am under no obligation. Send latest Reconditioned Equipment Bulletin NOTE Our firm was formerly known as

Call Letter Door Mats

Personalize the QTH with your own call letters permanently molded in a rubber door mat, Made in four (4) colors, red, blue, green and black, large 18 x 28 size. 9607 . Atlantic Blvd. South Gate, California A last new way to draw perfect schematics is now available. It is made by Datak and is called the Electronic Drafting Symbol Set 7 It includes all common schematic symbols letters and numerals according to MIL-STD-15-1 A. This newest dry transfer marking set features a special heat-proof...

Info

U Portion of a hill best suited for microwave tower 3, Reduce the strength of an electrical impulse 4. Symbol for cobalt 5.5Man's name (plural) 1, Arrangement of two electrodes used in early type transmitters 1 1. Method of arranging circuit parts 20, Sources of electric illumination 23, Temperature constant for a liquid 24. Electrical protective device (abbr.) 26. Type of iron core 28, Metal winding in some types of geiger tubes (abbr) 33. Chemical elements in hydrocarbons 39 .-----Q...

Crystal Frequencies Are In

LOW FREQUENCY CRYSTALS IN FT-243 TYPE HOLD FRS. Crystals sell at 1.05 each postpaid USA. All crystals fuffy guaranteed* Limited quantity available. Freq. tn Kcsr Give 2nd CRYSTAL OVEN LARGE SIZE PLUGS INTO 5-PIN TUBE SOCKET. ACCEPTS I X i TYPE BLANKS. FREQUENCY CAN BE ADJUSTED BY TURNING PRESSURE TYPE ADJUSTMENT SCREW. CAN BE TAKEN APART SO NEW BLANKS CAN BE USED. HEATER VOLTAGE 6.3 V. THERMOSTATICALLY CONTROLLED. IDEAL FOR EXPERIMENTING AND ECT. ONLY 1,50 each iiostfiaul USA, QUAKER...

L

I1 he crystal oscillator is fed into the grid of ic pentode mixer through G2, a 1 to 5 pi lica compression capacitor. For adjustment of first open it up and get the crystal oscil-itor running proper v, with a gradual increase' 1 grid current (open the ground end of the rid resistor and put in a mil iammeter) on ne side of resonance, and an abrupt drop on le other. The presence of the regenerative oil (L2) makes the operation much less criti-al, as > 011...

Since

Santo Monica, Co . Having owned and operated a Heath Seneca for the past two years the author has made numerous modifications to the original unit that have proved rewarding and worthwhile. For those Seneca owners who may wish to incorporate part or all of these modifications, the following pages will explain how it is done. To preclude the possibility of rf getting into the audio section of the Seneca, add an rf choke in series with the .001 mmfd input...

XWF

4X0WF for 60 hours continuously on Goober 19 and 20, 1964. Unfortunately, conditions were very poor during the time that station 4X0WF was in operation otherwise many more contacts would have been made, U.S.A. sta-ions wore worked on the 7 and 3L5 megacycle bauds. Due to the depression of the land, conditions to Europe Hid to North America were very poor. Except for very leavy QRM from U stations, conditions to Oceania and Asia were very fine business. The prefix 4X0 is new for tVPX. This...

O

LOlftWiOOO o o OCnJ OI -en t t D WWW W.E. Pofar Relay ii255A S5 2 for S9 W, E. Socket for ii255A Relay. S2.50 Toroids 88Mhy New Pckg 31 6' 5 6.3VCT J5.5A A 6.3VCT 2A S4 a, 2 56 200K C Frea Std Xtals S2 2 S3 Printed Ckt Bd New Blank 0x12 SI 6 5 Kltxon 5A Reset Ckt Breaker SI amp 5 2K to 8K Headsets Good Used S3 2 5 Xtnl Blanks Asst Types 12 for 1 7 - ' a H y - 400 M a Choke Cased 37 2 S'2 250Mfd 450 Wv Lectlytic 4 SSB S3 4 110 Cndsr Oil lOMfd x 600-2x2.5 fi. 5Mfd 1 I5 SI0 Cnd amp r Oil 6Mfd...

Ini

Fig. 2k Basic noise generator circuit. Fig. 2k Basic noise generator circuit. only shown how to construct units for op to about 200 mt The noise generators described previously, for amateur use, have used the 5722, the diode wired 24G 3C24 , or the diode wired 801 A, as their tungsten-filament diodes. The 5E and 01A have also een used occasionally as diode-wired triodes, too. Commercial UHF noise generators use a variety of tungsten-filament tubes, all of which are a bit expensive for most...

Model Tv Camera

C mount 18,95 Type 7038 Vidicon Grade A 85.00 Grade B 75.00 Grade B 60.00 Grade C 35,00 Note Grade C may be any type Vidicon new or used of our choice. Guaranteed to give satisfactory service for amateur use, Save 3.95- Camera with fens ond Grade A Vidicon only 249.95. The VANGUARD Model 440 is built to the same rugged specifications as our Model 400 industrial camera and is complete with self-contained synchronizing generators, 4 mc. video ampll-fiers, power supply, tripod baser and TV...

RAY

4828 West Fond du Lac Ave,, 7 MILWAUKEE, WISCONSIN 53216 I am seriously considering purchasing the following new equipment without trade-in J understand you will phone me long distance iat your expense and tell me how I can save money during your MOVfNG SALE My home phone is My phone at work is Send latest Reconditioned Equipment Bulletin produces frequency standards equipment. The crystal used operates at the 5th overtone and produces no spurious signals. The ultra low noise figure better than...

Gonset

9000A 2m Sidewinder SSB, AM, CW Xcvr . 14.26 901A AC Power Supply for 900A 2.25 902A DC Power Supply for 900A 2 0 903A 500 Watt 2m Linear 10.65 910A 6m Sidewinder SSB ,AM, CW Xcvr . 14.26 911A AC Power Supply for 910A 2,52 912A DC Power Supply for 910A 2.70 913A 500 Watt 6m Linear 10 65 3341 2m Communicator IV 12VDC 117VAC 14.62 3342 6m Communicator IV 12VDC 117VAC 14.62 3409 Civil Defense Kit for Comm. IV X 2.16 3363 Canvas Carrying Bag GA-138 108-138mc Xcvr Aircraft 17.51 3362 Civil Air...

Tube Overstock

Fse tired or loukin at Femi Bigger saving . 6DQ5 MS 1.7o now SL35 5933 lt S07W was l,50-now SI.25 1616 was 1 now 89c were 89c-now 79t or 4 for S3 6AG74 5R4GY 5T4 5992 10.000 hour flVfi 5751 5814 were 7 c iu gt w 69c or 4 for 2.50 VR-JQ5 V R - i 50 OA2 OB2' 5651 6AQ5W 6005 12A X 7 12A7WA were 69c-now 59c or 4 for 2.25 6AK5 6AG5 6AL5 6AQ5' GAU65 I2SX7 aeletted 12SN7UT I2AC 955 457 76 16215 I2CIT 6K7' 6H6' 7t7A' GSH7 I2SH7 71 amp 3 Pull outs from unused equipment- Fully EUamteed. Others BRAND NEW,...

Duodoublet

NEW 80-40 meter diapole using proven parall drapole principle to resonate on both bands. Requires only one 52 ohm feed line coax not supplied . Kft includes wire, insulators, center connector amp fulf instructions. Complete formula supplied amp quick graph chart for easy adjustment. May be used on 15 meters also. SWR Better than 2 1 at resonance 80 40. Max. length 123 ft. 140 ft. for lowest CW range. Easy to install- Wt. 4' ibs. Shipped Parcel Post.

Old Fashioned Radio

For the Radio Amateur ' CQ, Technical Series, p, 178-184. 2 lt Goodman, B, How Sensitive Is Your Receiver ' Q.S.T., Sept. 1947, p. 13. 3. Geisfer, D. T. Reviewing The Rarlio Classics ' C.Q.t June 1963., p. 40. The revolutionary Dovco DR-30 all-transistor communications receiver offers the ultimate in versatility and performance for the ham in a compact package, yet draws less current than a single filament in old fashioned tube-type receivers.

Wadju

Galaxv Electronics lias introduced the He-jector, a tunable notch filter- I his seven transistor notch filter greatly improves the reception on any ham receiver or transceiver. The Rejector is tunable from 300 to 5000 cycles to suppress heterodynes, QRM, ignition noise, background noise and other irritating receiver interference by over 40 db. It connects between the receiver output and speaker. The front panel is reversible for either horizontal or vertical mounting. Its only lYi x 5 x Price...

Galaxy V

Point for point the Galaxy Transcievers are hard to beat. Check these features 300 watts SSB CW Smallest in size with 5 or 3 band coverage Narrow filter bandwidth Built-in upper and lower sideband Shifted carrier CW for NCuretune CW operation Advanced transistorized circuitry Built-in carrier suppression Reduced power tune-up position E-Z Vue dial Accessory remote VFO have financing problems henry radio's easy terms 6 FINANCE CHARGE 10 DOWN OR TRADE-IN DOWN NO FINANCE CHARGE IF PAID IN 90 DAYS...

Wvg Mark Ii All Band Vertical Antenna

Low cost self-supporting 10 - 80 meter antenna. Tunes 3.5 30 Mc with manual tap adjustment. Feed with 52 ohm coax. Quick installation, Amazing efficiency for DX or local contacts. Used as portable antenna also. Overall ht, IS'. Tub tng djameter 1 1 4 to 7 16. Max. unguyed wind survival 50 mph, Mtg. bracket for 1 mast. Wt, 5 lbs. Maximum power 1000 watts AM or CW 2 KW PEP, Omn direction-aL Vertical polarized. I Shielded ignition. 1250 Watts, 115 VAC, 60 cy.,

Special Bargains

I00-5 gt 1 KC rer. u cd, very clean, with DM-32A 24t DC dyntmotor 100-156 Mf 3 channel, crystal controlled rec with tobes, internally complete, amp S' liemaiu ex. used. ioo-ir 0 Ml'. ft channel, crystal nm-trolled, transmitter, with two 832A, al tuhea. tiefiejnaije, ex, used too-irio Mi 3 channel, cryatsx controlled, transceiver 2 er Internally complete, Uvo 832A, nil tubes, Icks dynamotor With schematic, conversinn hookIrt. used Transponder. Cei on 1215 mc quickly. DTDOiflOV C iran piiniier on...

And

LOS ANGELES, CALIF. Phone 21 3-731 -2258 Bill Hoisington K1CLI Peterborough, N. H. Compaction tubes have many advantages tor ham use. They were developed for commercial applications where their main advantage is economy They are squat tubes with 12 pins, set in an all-glass envelope. Because of the large number of pins, most Compactions contain more than one unit. For instance, the 6J11 has two completely separate and shielded high gain if pentodes, each with a Gm of...

Wrl Nuvistor Preamp Printed Circuits

PA50-2 Stage preamplifier for 6 meters. Use 2 RCA 6CW4 nuvistors. Highest grade glass epoxy board. Assembled and pre-aligned for 50 ohm input-output. Requires 60-120 VDC 10 MA. amp 6.3 VAC Size 2y4 x 2 Wired 6.37 PA-144 Same as above except only 1 6CW4 nuvistor k for 2 meters. Wired 4.98 less 6CW4 tubes . Enclosed is Cash Chargea i COD 25 cash w order lf new customer, send credit info with your charge order

Top Values

LUBBOCK, TEXAS 79401 William Kennedy W3ZFJ 1 520 James St. Monroeville, Pa. Turn a Gonset Tribander into a complete receiver There have been many articles on conversion of surplus equipment and a few on conversion of old commercial equipment. Here we present a conversion of a converter, I picked up my old Gonset Tribander one evening and wondered what could be done in the way of making a receiver out of it. Out came the paper, slide rule, and coffee pot. I started figuring gains,...

Telrex Rotatorindicator System Model Tsris

Telrex Vintage

Mast Feeds Thru Rotator - QCrj00 For Safe, Easier, Installation XJwfob SELF LOCKING BY STURDY WORM GEARS TS325 RIS 325.00 TS435-Ri 435.00 TS535 RIS 535.00 TS585 RIS 585.00 MALLEABLE CAST MASTING CLAMP SUPPLIED OUTPUT SPEED APPR0X. 1 RPM . WILL FIT INTO OR ONTO A 6 SIDED TOWER TELREX LABS. Write for FREE PL65 Describing Rotator and Antennai A5BURY PARK, N J. TS325 RIS 325.00 TS435-Ri 435.00 TS535 RIS 535.00 TS585 RIS 585.00

Kw Pep Wewl

6 Meter Heterodyne VFO Transmitter K1CLL r, . . 10 A imple, stable, easy-to-build transmitter from Bill. Kostiess Keyer W8MQW. ____ 14 Well, maybe not kostiess, but klose to it. Double Hula ____ K2ICF 6 . . 16 A small new antenna. Looks like a halo, but good for HF. Propagation Nelson 20 Special SSB Transceiver Section 22 All the dope on all the HF SSB transceivers. loAR News WA4PDX 32 What's new with the Institute. Versatile Code Monitor W8GXU ____ 34 Transistorized with p.c, board, yet. 432...

Triex Tower Corporation Opens Factorydirect Program

Telescoping Tower

Tri-Ex Tower Corporation has inaugurated a new policy of factory-direct consumer sales, it was announced today. Tri-Ex has always been dedicated to building the best towers available anywhere at any price, said A, J. F. Clement, W6KPC, president. Now we will also offer the very best in service to Tri-Ex tower owners. By factory-direct sales a number of advantages will be accrued by new tower owners. First, each factory-direct order is assured of faster service. Second, the very finest...

Addii Ct

Tom Lamb K8ERV 1066 Larchwood Rd Mansfield, Ohio Let s see, this morning 1 11 build an audio shift oscillator for the expected model 15, and this afternoon III ... As with most projects, building a good AFSK oscillator turned out to be more than a one-morning job. The standard capacity-switched L-C oscillator left much to be desired. Switching a discharged condenser into an oscillating circuit causes a pause in the oscillation, resulting in a shortened mark puke. Switching transients above the...