Ww9x Transmitter

Versatile QRP transmitter for 80, 40 and 20m. When building simple QRP rigs, the mast expensive and difficult pan to find is he cry stal, or rock. Usually they have to be specially ordered, and delivery may he slow. The transmitter design in this article allows the same crystal to, serve multiple hands, which makes for flexible and economic operation The circuit consists of seven basic elements the oscillator, divider, keying circuit, amplifier, receiver limiter. ilIters, and power supply. li s...

Jov

Make an expanded voltmeter for Fteld Day VDC in most cases, the voltage of a fully charged gel cell battery is 14,4 volts under charge) the meter will then need to cover a range of 0-5 vofts, since we are referencing against the zener diode voltage Construction is. by design, simple Only tour components are needed You'll need a 0-1 mA meter, a zener diode, a resistor, and a trimmer pot Check the parts list on the schemaiic. A suitable meter is available from Radio Shack. The meter, as...

Is

-L ftw 'ijJwt-it prm il I -T3*U- T itl< lk- h wert w 3tvt*tii9 rt> e im * n r,m nmW fVWr Ln ti i.P -Fi r P ' itvel r' fir1 ii- M Jtf -wiE-al -tT Photo 6. Menu for Option 1. add update OSO records.if Ml H WV HnBs. . Hnsja, mm ML Hlltf m m. M 1KVQ m, Nff HWJ TWv ta, TOKYn ir. f > I , n mijj.flmji,, 'M vi b> o ir. f > I , n mijj.flmji,, 'M vi b> o Photo a Sequentia list of a confacfs currem y togged. sionaJiy-bound reference manual, plus a 33-page addendum, it is clear, concise and...

Circle On Reader Service Card

Flash cards 'NOVICE thru EXTRA Iheory Key words underlined. Over 1600 sets in use) For beginner. Msn XYLs& kids. _ TECl+MCrAN 1 .M GENERAI. S 9.95 ADVANCE i S 15.95 EXTRA S14.J5 Shp > in 3.& 0 2 ar rnnr S 4.DO Cl i 6DISCOUNTS V S STUDY CARDS P.O. BOX 1 6G46 HATTIESBURG, MS 39404 I he RBC-700 reprtsfciib the latest generation of advjirced repeater conrroiltrs, These series oF controltera tan connect up in 7 independent receivers and transputer.1 . 24 different conli wrations nre...

Alland Radio Products

Canada V8Z3L3 Mot Line Phone (604 361-1224 Hot Line Fax (604) 383-5454 VISA-MC OK Mo Extfa Charge BROADCAST TECHNICAL SERVICES Rugged Constructiori-Testea ai Sea Silt Mounting to Tcwer or Masi ' titsnotid Duutiiw Zepp fid 144 Broadband - Tunes OutSJde Band - S0239 Feed - Very Low Loss Siainlasa EiernoniH and Hardware * Gusiomisrs Report Very Positive Rugged Constructiori-Testea ai Sea Silt Mounting to Tcwer or Masi ' titsnotid Duutiiw Zepp fid 144 Broadband -...

Hdbx

R HN self-supporting towers are today's best tower buy Nowhere eise do you get more height end strength for the money. Call us for yours (Ratings based on 10 ft boom,) GUYED TOWER SECTIONS 25G. 45G. 55G & accessories. 7 ft UPS shippabie 25G sections FOLD-OVER TOWERS FK254 FK2558 FK2568 FK4544 FK4554 FK4564 A non-conducting, electrically trans-pa rem guy sy si em Eliminates Ihe need for guy insulaiors to break up guy wires i mo non-resonant fergths. HPTG1200I - 1200 b cable HPTG2100I- 2100 fb...

Info

The benchmark from which all other HF all-mode transceivers are judged was set with the introduction of the FX-1000. Now, the tradition continues. Accessories Options TCXO-2 (Temperature Compensated Crystal Oscillator),XF-10.9M-202-0I (2nd IF SSB Narrow 2.0kHz I. XF-445C-251-01 (3rd IFCW Narrow 250Hz), SP-6 (External Speaker), MDIC8 ( Desk Microphone). YH-77ST (Headphones), LL-5 (Phone Patch Module). CPU Controlled RF FSP (RF Frequency-Shifted S )eecli Processor) The RF FSP shifts the SSB...

Circle B On Reader Service Card

52 73 Amateur Radio Today * May, 1991 For many (probably most) hams, the antennas of choice for the WARC band eem to be the one* they already haw Ho *e er, some time spent on putting up a good antenna for 30, 17 and 12 will pay off in huge dividends. In preparation for writing this article, I recently spent several hours on 17 meters, listing the various antennas I heard in use. Far and aw ay, the most-used antenna appeared to Over 450 models to solve your LIGHTNING PROBLEMS I and more high...

Fieldpiece Instruments

Fieldpiece Instruments has introduced a small (TVa x 2 x 1) heavy-duty fine of multimeters thai integraies the functions of a digital multimeter, a voltage check* er and a current clamp meter in a drop proof, contamination resistant housing. The fully sealed yellow Valox case allows the meter to 6.000V on any voltage range. Other ranges can withstand 500V. Metal oxide varistors, rather than lower cost spark gaps, are used for transient protection. The two standard Fluke style multimeter jacks...

S

A1R-1 A compJeie In I erf ace system )or send and tete ve on C W R T Vv j a a udot & ASCI f) and AMTQR. for use with CommodO VIC 20. Operating program m ROM erahncq program tor use With your interface hardware 3oth VIC 20 ano C64Vt28 programs onsnedis* 39.95 SWL A receive only cartridge for CW. RTTY .Baudot 4 ASCIf) for use w h Commodore l S Operating program in ROM erahncq program tor use With your interface hardware 3oth VIC 20 ano C64Vt28 programs onsnedis* 39.95 SWL A receive only...

Pan Acklmt Number States

N i Com pa nion So ft war t f at Amen na Com-pendkim Vol. 2 51 - MS Jx )S Mi.pp. St KrtO h j Tune In the World with Ham Radio KM 8th Miitplele Nnvkr eour* tn onu, easy u* LiriiiL-i'.uiinl p. ljg . C i fr-l ach jfl 'ind oodc-jpactictt j-.-L-nr nvluJoJ in ihu kn t I > . M1 i .MM Tune In the World H. nk onls VI4.00 fttWM WtFB s Antenna Notebook by lk> ug k W.i* N fl Get ihe k p HbfmaikJc oui oFunob Tr-. M - irt jnnemii mi verr n jai f -iij ni era im cu '-. cjsj ralcrbit eputnin l- arwi...

Townsend Electronics

For those who must use an HT as a mobile rig, Townsend Electronics has introduced the Rig Saver1' universal hand-held mobile radio mount. You can now safely mount your handheld or smalt mobile rig where you can see the rig's controls and digitai display, and have maximum access to the controls. A vinyl-coat* ed plate protects the rig from scratches while in use. Large knobs make it easy to adjust to any angle for nearly any HT or small mobile. This mount will fit on the console, center hump,...

Dahomey

All around the world, countries have honored amateur radio and ham radio operators on their postage stamps. Collecting these stamps can be a tun hobby for hams. Postage stamps originated in England in 1840. From the beginning, postal authorities designed stamps to honor the great milestones in science, medicine, the arts, and history . The people and events so depicted have earned a permanent niche in world history for stamps never perish. If archaeologists of the far future unearthed our...

Visual Concepts

2lS Delaware, SuiEe301 Kansas City, MO 64105 If you want just ore HF antenna to nandfe up to nine bands the GARANT WINDOW ANTENNA should be you- cnotce Our almost fanous Garant Windom Amennas come in tnree lergths 67 H tor up to 5 bands 137 ft for up to 8 bands 255 ti 'Of ud to 9 bands Yes. one anre a with on ce ooa teed line can handie al 9 HF bands, t 36080-40-30-20 17 15-12-1 CM That s rjgnt It yon install our Garant V indom Antennas properly, you 11 noi need a tuner Our cuslomers and...

Orion

TH7DXS TH5Mk2S Explorer-14 TH3JrS Discoverer 205BAS 204BAS 203BAS 115BAS 153 BAS 105 BAS 103 BAS DX-8B 18HTS 648S 66BS V2S.3S.4S OSCAR Link 7-e I. tnbander. 5-el. tribander 4 el 14.1 ft. boom 3-el. compact, low power 40 meter beams 5-e 20 meter menobander 4 ef 20 meter monobande-3-el 20 meter monobander 5-e 15 meter monobander 3-e 15 meter monobander 5-e 10 meter monobander , 3-ef 10 meter monobander JSlew HF vertical 80 10 meter vertical, 4 a, 6 el 6 meter beams. Verticals 2M. 220, amp 440....

Circle Oh Reader Service Caro

60dB display dynamic range 4GdB spurious rejection 60 uv sensit, 26B flatness 1 KVDC. 1v 100 MHz max input as JSGfated by lOpf 7 i,ho frequency linearity converts your scope into a 100MHz spectrum analyzer n.FCTRH AL SPfclltH vnoti hkwri M LL 4b 16 HU _J dP I IJ t tjpxil 22 dtL sxb w-fu BkA DfflfLji f l ritrnp Mai M' -,in Ecinrrii I llalli AJ Mi.il i Meet Cd aM i

New

The IO-2B provides required station identification without troublesome diode programming. The ID over voice inhibit circuitry allows for cour-leous operation by not allowing an ID until the next squelch closing 151 Commerce Pkwy., Buffalo, NY 14224 718-675-6740 9 to 4 we are happy to provtde Ham H amp p sungs tree on a space available bas s To make our fob to ensure that yo r i si ng f corred ptease type or print your request ctearfy double spaced on a fu ' x 11' sheer of paper Use upper- and...

Products

ET-1 Antenna Tuner 1.8-30 MHz 30 or 300 W cross-needle SWR amp power meter compatible with almost ANY real antenna including verticalsr dipoles, inverted vees. beams and mobile whips that are fed by coax cablef balanced lines or a single wire built-in 1 4 balun 9-3 8D x 10-1 4Wx 3- 1 2H weighs 3-1 2 lbs 129.95 LPF-30 Low Pass Filter suppresses TV at the source reduces TVI radiated by transmitters operating below 30 MHz additional attenuation to TV IF frequencies above 40 MHz nine-pole inverse...

Ampire

Ampire Inc. is offering new and improved model 146,1460S, and 440 RFswitchable mast-mounted preamplifiers for 2m and 70cm, enclosed in extruded aluminum and irradiated to minimize oxidation. The plastic-coated circuit board repels moisture and corrosion. The preamplifiers have been designed to operate from 130QF to -30 F gt For more information and prices, oontact Ampire Inc,, 10240 Nathan Lane, Maple Grove MN 55369 612 425-7709L Or circle Reader Service No. 207. Photo. Jack Askew VE4JX and his...

Vpvdv

Box 8t Sumy 244014, USSR via W4FRU via KQ2M via WD4JNS If you have determined that he s not working stations on hts own frequency, your task lt s o find the pile-upof stations who are calling and working him. He is working split. and he may be listening almost anywhere, but hopefully not too lar from his transmit frequency The DX operator may specify where he is listening, or the policemen may offer a clue as explained above . If not, then you must hunl for the group of stations calling him....

Ham Jewelry Company

World Time Clock Map

HAM Jewelry is offering an excellent station clock, the World Time Clock. This clock lets users read at a glance not only their own local time but also the time anywhere in the world, without any conversions. The names of 65 cities and countries are displayed around the clock's periphery, and the local hour at those places is read by the adjacent number on the QTR ring Minutes are read from the minute hand GMT is read directiy from the 2 o'clock position. There is also a potar projection map of...

Ic24at Dual Band

JUNE mi ISSUE ff369 USA 2.95 CAN 3.95 Icom continues to dominate the industry with exceptional product design and innovation. The IC-24AT firmly established Icom as the leader in dual band technology. Now the IC-W2A gives you the advantage of choosing the dual bander best suited for your needs. The new ICAV2A dual band handheld sets the pace with its sleek design and superior characteristics. Designed for the user who demands the finest features available, the IC-W2A boasts simultaneous dual...

Imhj

Loom to BulkJ and Program Computers with this KM Indien. A II Pjrt Amrnbl L hqp M HIMI fO w a PO S umtlar rqtfinf nhj a IBM f C, fiotwiit J Kit lor obov MM l jj 1 Ci Trtfir Pc Dr if Supply XP-fi MWVM41 SV t - m 15 ji i A icrJi amp aoviT IAJ f SVcrlA tfie j Kx V iza i1 MM rtflijv Bwtw v Eia . gMMt__ V 5 fiOMHr DT Wturi i _ Vri B - IDDMHI, Dual Tr w_ V 1 .BS - TD UHr, 01, wnrursor V 1 i no - ICOMHr. Oui d I ' ca V 1 i5 150MHz, Ou4 d l gt ac _ STAhiDARDC CA IBUf TWIM RAN 144 and 220 MHz NT New...

Cushcraft

A4S Tnbander. A744 add on R5 10,12,15 t7,20. SPECfALf AP8 80 10 Vertical. APR18 B-band rad-at kit for APS AV3. AV4 amp AV5 verticaJs D3W 10r 12. amp 17 meter djpole D4 7 14.212S MHz dipole. 40-2CD 2 ei 40M. beam A50-6, A50-5. amp A50-3 6M beams. 617-6B 6 Mir Boomer, ARX 220B Rlngo Ranger tt. ARX 450B Rmgo Ranger II AR 270 2M 440MHz vertical A147-11 11-ei 146-148MHZ 21SWB, 32-19. amp 4218XL 2M Boomers 220B Boomer for 220MHz. 424B 24-el 432MHz Boomer AOP-1 OSCAR pack.

Nog

NCG has introduced a new COMET dual-band 2m 70cm base repeater antenna, the CA-2x4MAX, centered to the American amateur frequencies, 146 MHz 446 MHz. This new antenna incorporates COMET'S exclusive SLC Super Linear Converter system, which uses parallel elements in order to maintain a stable resonant frequency over the life of theantenna. It also features a new jointing system made of durable ABS plastic to screw the sections together. The CA-2x4MAX is 17'8 long and has a UHF SO-239 connector....

Engineering Consulting

583 CANDLEWOOD ST BREA, CA. 92G21 Tel 714-G71-2009 Fa 7 -25 9984 Ultra Comshack 64 Dupiex Simplex Controller bstings are free of charge as space permits Please send us your Spec at Event two months in advance of the issue you want ,h to appear in, For example, if you want it to appear m the January sue, should receve t by October 31. Provide a dear, conctse summary of the essential oeta'ts about your Special Event. Check fHAMFESTS on our BBS 603-525- 438 for listings that were too tate to get...

BNB

Southern Technologies Amateur Radio. 10715 SW 190th Street Miami Fl 33157. 305 236-3327 BNB982 TRAVEL HIGH INCOME Radio officers needed for shipboard employment Must have FCC Second Class Radiotelegraph license and background in electrons Salary approximately 4,000 monihty to start, including vacation plus full ben-lits Rae Echols, W7FFF. American Radio Association. 5700 Hammonds Ferry RoadH Linthlcum Heights MD 21090, BNB963 IT'S BACK AND BIGGER THAN EVER...

Public Domain Ano Shaheware For Computers

DC muffin fan blades chop the laser beam a approximately t kHz. Figure 2 The laser transmitter. DC muffin fan blades chop the laser beam a approximately t kHz. well-insulated current meter in series with your laser to determine the current drawn. Ed. Note Do not took directly nip any laser beam as II could be hazardous w your eyesght. Take appropr ate precautions, Lyle Kl HR of Ullletoo, New Hampshire, is getting ready tor Field Day '91 He's building Ihe FET...

J

73 Amateur Radio Today June, 1991 11 The KE2AM Voice ID and Repeater Controller Get-Tech George Tarnovsky KE2AM 201 RD2 Riley Rd New Windsor NY 12550 914 564-5347 Price Class 569, 85 with batiery-backed socket How would you like a repealer controller ID that actually identifies in your own voice George Tarnovsky KE2AM of Get-Tech has designed just such an animal. His controller provides you with the basic timing signals to put together a very economical repeater system, It even provides you...

Warning

Don i be fooled by antennas thai are also sold wrth a wrndom label Most of them use a 1 4 balun Thai balun will never work You H always need a tunar with those fake wmdoms The laws of physics make sure that rt doesn't work, de amp piie what he manufacturer uromises you Honest y. why bu gt an antenna mat. needs a tuner o operate' Read What Our satisfied customers wrote us dDOu their genuine Garant Windom Antennas All or gmal's are on Me tor your inspection as ihe FTC requires rt. Fred. W8YFK....

Communications Electronics

Has expanded to our new two acre facility and World Headquarters. Because of our growth, CEI is now your one stop source for emergency response equipment. When you have a command, control orcommuni-cations need, essential emergency supplies can be rushed to you by CEI, As always, for over twenty two years, we're ready, willing and able to help. Our RELM two-way radio transceivers were especially created for government agencies. When you need to talk to police, fire, ambulance, or state, federal...