Visa

Call Collect (714) 565-8402 MC > AMERICAN EXPRESS CHECK - MONEY ORDER - COD Model 3700 3600A - 3700 Factory Update (3600A Only) Includes Labor & Re-Calibration 99.E Model Model . INCLUDES BATTERY PACK AUTO ZERO BLANKING ,95 AUTO DECIMAL POINT f 10MHz TIME BASE AUTO DECIMAL POINT - 10MHz TIME BASE 3600A OWNERS Up date your 3600A frequency counter to a C 700 includes, new back board, .2PPM proportionaf oven. 25db preamplifier, rugged .125 thick aluminum cabinet, order...

See Specifications Below

PORTABLE TAKE IT TO THE MOUNTAINS OR USE IT MOBILE TAKE IT WITH YOU ON FIELD DA ALL NEW ALL UNPARALLELED DSi QUALITY The mod 3700 700MHz frequency counter features , . . .2 PPM 0 t 40 C proportional oven time base . -. Built in battery trick) charger less batteries . . Combined in a rugged J 25 thicl< aluminum cabinet makes the 3700 ideal for the commun cations industry, professional service technicians, an sophisticated amateur radio operators. 3600A OWNERS Update your 3600A frequency...

Yaesu Ftra

One knob channel selection using optical sensing to select 800 channels * Memory circuit allows instant return to any frequency between 144-148 MHz 4-digit LED frequency readout Fully synthesized frequency conlrol * Selectable 10 watt HI 1 watt LOW output with one memory Full 4 MHz coverage in 5 KHz steps 144-148 MHz 4 memory channels may be programmed Built-in scanner * keyboard mic allows for remote control ot memories & dial frequencies * Also serves as an auto patch encoder Power output...

Amateur Radio In Iraq

Ever wonder what the shack of a rare DX station looks like Here 's the operating position of the much-sought-after YI1BGD, the only station currently active in Iraq< Pictured are ops Majid (seated) and Saadt along with their Atlas transceiver Can you spot your QSL on the wall Thanks to Jack Winterboume VE3ITO and the CARF News Service for the photo, Baghdad in September, 1978+ I contacted Majid Abdulhamid, Chief Operator of the Radio Club of Baghdad, amateur radio station YI1BGD. Majid gave...

Uhy

The pin spacing is ft 7 00 between center lines. Each pin center line is located within +0010 of its true longitudinal position relative to pins I and 40. or in foreign countries when you travel on 230 115 V( 50 or 60 Hz If you desire a clock with the above listed features, the DCC-73Q2N clock chip comes in a kit, available with fluorescent display, for about 30, in order to add options, read on. The chips are available for about 6.00 and an LED 4-djgit display for about S10, or you can...

Ss

CENTRAL NEW YORK'S FASTEST GROWING HAM DEALER Featuring Yaesu Icom. Drake Atlas, Ten-Tec Swan. Dentron, Pace Palomar Alda, Midland, Wilson. K0Kh MFJ, Microwave Module, Standard, Tempo, Astron. KIM. Hy-Gam. Mosley, Larsen, Cushcra't, Hu ilerh Mini Products, Universal and Tristao Towers. We service everything we sell Write of call for quote. You Won't be Dlsapointed. We are just a lew minutes off the NYS Thruway ( -90) Exit 32 CALL TOLL-FREE ONEIDA COUNTY AIRPORT TERMINAL BUILDING B( 1-800-448...

Programmable Iambic Memory Keyer

Four memory 'fipuls sixty let ter s each Five minutes o memory IQ wpm Operates on 110 Y ac and 0 16 Triggered clock lor memory re cordjng Speed control 6 to 40 pHs wpm Two to three Times the memory of nearest compeinor Comes in attractive iighl blue cabinet measuring KM with set of paddles 104,95 Assembled unit 99,95

Hgz

Single knob tune-up eliminates fumbling around panel searching for load and plate controls Extremely compact size for installation under dashboard 100 KHz calibrator is built in Semi-break-in with sidetone MOS FET receiver front end Receiver offset tuning Provision for crystat-controlied operation Choice of frequency control between internal VFO, fixed channel, or external VFO Power consumption 3A transmit, 0.4A receive (13-5VDC) Price And Specifications Subject To Change Wiihoui Nonce Or...

Australian Postcodes Award

To become eligible for these awards, it is necessary for overseas amateurs to work 40 shires and 50 post codes, respectively, with proof of the OSOs to be forwarded to the Contest Committee, c o PO Box 6250, Hay Street, Perth 6000, Western Australia, along with 10 IRCs or equivalent for the initial award. Subsequent stickers wifl be issued free, although return postage wilt be appreciated. A map of West Australia showing all shires is available from the above address for 2 Australian. I am with...

New Mura Vom Multitester Offers Dualrange Sensitivity

Mura Corporation, manufacturer of home entertainment products. CB accessories, and electronic parts and components, has introduced a new precision VOM multitester with extremely high duat-range sensitivity. Designated Model 85-M, the new VOM multitester is ideal for use where measurements must not appreciably disturb a particular circuit being tested. It features high 50,000-0hms voit de and 10,000-0hms volt ac sensitivities on one set of voltage ranges, and 25,000-Ohmsfvolt dc and 5.000-Ohms...

Gilfer Introduces Versatile New Rf

PRESELECTOR PREAMPLiFlER WITH AUTOMATIC ANTENNA SWITCHING If you are missing out on those weak DX signals because your receiver needs more sensitivity, here s a low-cost way to hype it up Add ihe new Mizuho SX-59 preselector preamp from Gilfer. The SX-59 adds 20dB ot gain (3 or 4 S-units) with low noise, Tunable in 3 switched bands from 3 to 30 MHz, the unit Is completely automatic In antem na switching turn it on and it connects itself to the antenna, turn it off and the antenna fs reconnected...

Ct Frequency Counter

The CT-50 is a versatile and precision frequency counter which will measure frequencies to 60 m Hz and up to 600 mHz with the CT-600 option. Large Scale Integration. CMOS circuitry and solid state display technology have enabled this counter to match performance found in units selling for over three times as much. Low power consumption (typically 300-400 ma) makes the CT-50 ideal for portable battery operation. Features of the CT-50 include large 8 digit LED display, RF shielded all metal case,...

Info

Jrukt. ifas. iVn Tront Ten-Tec, Swan, Tempo. Kt M. Hy-C*in, Motley, Wilson. L*rtcn, Midland ouihwes Tcchmcal Produit Vou *0Tih( be divaTipotnied uh equ pnienr seniLc Radio Wnrld. Oneida ( tmnl) ifpnrT-1 errninil Huitdin , Ofclkmny M 13424. 33T-2t2Z> serttc on Lite model or old lime equipmenT We - r. i e all make jnJ modeli. Rates he C aJl or *me t rtimun+ca- lions Wortd. Int J7M Stair Hd i Ireland Oti 391-6363. Tired of looking ai ad* n Come and iry oto and uted...

October Winner

Our readers have selected Antenna Design Something New as the best article in our October issue, so Harry A. Mills W4FD and Gene Brizendlne W4ATE will be sharing our 100 Most Popular Article prize. Remember, your ballot is your Reader Service card. KV4, there is really no excuse. KV4AA recently made his 38,000th QSO. Most are CW. That WGDX who operated from Desecheo recently is Bob Denniston, former president of the ARRL He runs the Smuggler's Cove Hotel on the north side of the island group....

Fairchild Red Led Lamps

RED EMITTING. These are not retested off-spec units as sold by someof our competition. These are factory prime, first quality, new units FAIRCHILD PNP SUPER TRANSISTOR 2N4402. TO-92 Plastic. Silicon PNP Driver. High Current. VCEO-40 HFE-50 to 150 at 150 MA FT-150 MHZ. A super BEEFED UP Version of the 2N3& 06

Hickok

Here is the handfull of accuracy you've been waiting for. Handsomely encased, Compact. Efficient. Only 8 ounces, Hickoks exciting, new LX 303, 3J4 digit Mini-Multimeter with high quality components, one year guarantee and rugged Cyco-lac* case offers features previously found only in expensive units, . .at a price under 75.00 So why wait any longer The amazing LX 303 is here, NOW Another American W made test equip-f ment breakthrough from Hickok, The Value Innovator Order today DC VOLTS (5...

The radio

-,,l1i.i- .-. 4i.i mrwwhjiJI ui-Ar 1 azi I n4mfl YAESU ELECTRONICS CORP., 15954 Downey Ave., Paramountp CA 90723 EASTERN SERVICE CTR 9812 Princeton-Glendale, Cincinnati, OH 45246 Top Row VP-150 Dummy load Wattmeter SP-101P8 Speaker Patch FT-101E 160-10M Transceiver with YC-601B Digital Display Frequency Counter FV-101B External VFO YO-1Q1B Station Monitor FTV-250 2-Meter Transverter FTV-650B 6-Meter Transverter FR-101 Digital 160M-10M Receiver FL-101 All Band Transmitter Row 2 FRG-7 General...

Microcomputing

Crom WB9WRE 904 Barberry Street Mi, Prospect IL 60056 The international Morse code (CW) is a digital musical language If you happen to be a straight-key master, such as K9ZTH, you can make music to rival that of Mantovani. If you happen to be blind, a talented pianist, composer, ptano tuner, and a ham, you can even write a concerto using this musical language. Ol' Rip Snorter John (W90RS) is such a person and is presently writing The CQ Concerto The first few bars are great and I...

Master

The timing diagram shows the remaining letter T of the example. This is for illustration only and will not be described. Circuit details for the sidetone oscillator, master clock, and the strobe have not been shown on the schematic because these are readily available from a number of existing publications. Manufacturers will supply chip specification sheets with this information. The master clock and the sidetone oscillator (U11) are made from an NE556, which is simply two 555 timers in a...

Qco

Fig. 1> (a) interface between Cosmac and transmitter (b) alternate circuit for rigs with grid-blocked eying eliminates relay and 01. Stored in R7.0. Actually, this space gets added to the usual space of three dots that follows every letter so that the actual space between words is equal to seven dots. These bytes are later used to specify the length of a timed loop and thereby set the length of all the dots, dashes, and spaces. The program fetches the first byte of the programmed message from...

Morse

* ii044 KeyeF'On-A'Chip* (flephctsB )43) 14.95 4p> 75 HA. fetj DST. Radia Kdbk 75. Apr HdM llll * 6044-3 ICKB ocketManual________24.95 * 8044-4 Semi-Kit 54.95 * 8045 Morse Keyboard On A Chip IC ., 59.95 * 8045-1 IC.PCB,FIFO. Sockets,Manuat. . 89.95 * 8045 2 SemhKrt 159.95 * 8046 InstruGlokeyer-On A-Chip IC *. 49.95 * 8046*1 Semi-Kit 79.95 * fl047 ,Meisage Memory-On A Chip IC 39.95 * 8047-1 fC,PC8PRAM.Sockets.Manual. 69.95 udd 51 75 wt Ifir aoSTaift and runan i EK 430 CMOS Keyer* js osn 124.95...

Heathkit Catalog

Read about our entire Line of Amateur Radio Equipment including linear*. 2-meter amps, antennae, mikes, wattmeters and more If coupon is missing* write Heath Company, Dept< 011-500, Benton Harbor- MI 49022. Prices are mail arde* nei r.O.B. Benton Harbor. Michigan. Prices and > pec i J cations ore subjeci to change without notice encoders, external mike and holster-style leather carrying case. And at just S189.95* in kit form, we don't think you'll find a better all-around hand-held Then...

New Staco Regulated Amp Power Supply

A new regulated 8 Arnp power supply from Staco, Incorporated, is built to operate amateur, commercial, and industrial transceivers, as well as other 12-volt dc equipment, from 120 volts ac, The solid-state Staco RPS-8 Is ideally suited for fixed output power. A unique current fold-back circuit and internal circuit breaker provide automatic dual overload and short-circuit protection. In the event of component failure, an automatic crowbar circuit protects equipment from high voltage. The RPS-8...

Midland 13-510 Tone Squelch

Midland's 13-510 Is One Great 2-Meter Mobile A EM ' The 13_510A P-L.L synthesizer delivers 1,200 frequencies between 143.00 and 149.00 MH2 the full 2-meter band, plus MARS. NEW The 13-51 OA will operate with up to a 6 MHz split between TX and RX NEW The 13-51 OA microphone connector is pre-wired for your Touch-Tone encoding microphone. NEW The 13-51 OA has a 7-pin accessory connector for your Touch-Tone dial, tone-burst generator or discriminator meter. Touch Tone is a registered Trademark of...

Lxd

Mission and receive Installation of a small SPST switch to control my Drake T-4XC push-to-talk transmit relay circuit would phone to talk without receiver noise being present. Any transceiver or transmitter receiver combo should be able to accept this simple switch, allowing hassle-free communication. Once the decision had been made, I went to work drawing on paper what I needed and then scrounging in my junk box for the parts. Being a recording engineer, 1 found one small low-to-high impedance...

Disc Qv

- denotes marked foil counectiqft on pc i 0 fi d Fig. 2, Power supply schematic diagram. the Q1 and Q2 case temperatures below 100 C to achieve the best reliability There will be a special section on C1 later on in this article. The ovp circuit, an SCR crowbar-type, is optional in that it has no effect on the operation of the regulator. If, in fact, you opt for a variable supply, it can be a nuisance But, if you have a nice new SSB rig, it can save you a bundle. The circuit consists of an SCR,...

Icom Rm

This ts a touch tone unit adaptable to the IC-701. IC-211, and the IC-245 It permits selectable scanning up or down, has four memories, a LED display can program split freqs., and also serves as the touch tone pad for the IC-211 and the IC-245 The lC-202 features Frequency coverage 144-146 MHz Modulation A3J and A1 RF output power A3J 3 watts PEP Al 3 watts Sensitivity 0 5 micro.ol s at N lOdBor better Includes a true IF notse blanker Requires gt LC' batteries or external 12 volt source. The...

Regulator

Battery 'so afor schematic diagram. George R gt Allen W2FPP 16 Rosedah Dr. Bingham ton NY 13905 I audio oscillators as they are commonly called, are frequently used in amateur and commercial radio systems They are used in touchtone1M pads, tone-burst generators, subaudh ble generators, AF5K oscillators, and in remote station control systems, hey have also been widely used for years in test generators for testing AMP SSB, and telephone equipment. While there are many ways to generate...

Eike

'Shown with accessory tounh lonrs pad The Tempo line also features a fine line of extremely compact UHF and VHF pocket receivers. They're low priced, dependable, and available with CTCSS and 2-tone decoders The Tempo FMT-2 amp FMT-42 UHF provides excellent mobile communications and features a remote control head for hide-away mounting The Tempo FMH-2, FMH-5 amp FMFM2 UFH hand held transceivers provide 6 channel capability, dependability and many worthwhile features at a low price. FCC type...

New Cushcrafthf Verticals

Many hams are convinced that to work meaningful DX they need a couple of thousand Watts and a monster antenna array. While that undoubtedly helps, where Is it written that the ham suffering a money or space cramp can't compete for his day in the DXCC sun Three new Cushcraft verticals, the ATV-3, ATV-4, and ATV-5, provide a commonsense sofution to a commonplace problem. Specifically designed for the DXerT these antennas provide the tow angle of radiation necessary for long-haul DX communicaiioa...

Uoy

Battery charger schematic diagram. ted during both halves of the ac sine waveL By controlling the phase and amplitude of the signal to the gate, the firing point of the triac can be controlled and, thus, the conduction angle can be varied to regulate the input power to a transformer primary. A bilateral thyristor D1 r a diac is used in the gate circuit to provide a threshold level for firing the triac C3 and Ii4 provide a transient suppression network to protect the triac from damage...

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Sabtronics 2000

Now you can forget about price performance trade-offs when you select a frequency counter, n Sabtronics' Model 8100 kit you get all the characteristics of superior performance at a low, affordable price. This frequency counter, employing LSI technology, has the performance ana input characteristics you demand guaranteed frequency range of 20Hz to 100MHz 10 Hz to 120MHz typical selectable hi jo impedance superior sensitivity selectable resolution and selectable attenuation. Plus an accurate time...

Neenah W

The 3-F Amateur Radio Club will hold ils annual swapfest on Saturday, May 5, 1979, from 8 00 am to 3 00 pm, at the Neenah Labor Temple, 157 S. Green Bay Road, Neenaht Wisconsin, just off Highway 41 at the Highway 114 or 150 exit Facilities include a large parking area and a large indoor swap area with a free auction at the end oi the day. Food and beverage will be available. Advance admission for tickets and tables is 7.50 2.00 at the door. Talk-in on 52 52. For reservations, write to Mark...

Zd8sc Ascension

From Greenland to South America out of our home base, Wright-Patterson AFB, on a two week worldwide communications test of an exp rimental airborne satellite termina . Among the crew of 25 men, we had four hams Sandy Cole K1SC, Tom Walilko K8NOQ, Bob Beach W8LCZ, and Wayne Beeson K8WB. After landing on Ascension Island on Saturday night, we immediately searched for the acting base commander. Captain Lord, and finally found him in a barracks card game. Captain Lord informed us that the required...

Communica Tions Specialists

Orange, CA 92667 800 85 -0547. Ca 'forrua residents use lt 714 998-3021 The parameters of Jm Palomar PTR-130k are . the outer perime rs of logic technology. Never before has inu transceiver approached the capabimies of the Palomar PTR 130k' It's the first completely mutti functional transceiver ever made availably to the public The Palomar PTR-130k ts a miniaturised mobile transceiver capable of operating in 100 cycle resolution from 100 KH to 30 MHz in all modes of...