Lunar

The Lunar Industries, Inc,, modei 1.3M4-30P is a 220-MHz linear amplifier designed specifically for 220 handie-talkie owners. This solid-state power amplifier will boost a 2-Watt HT output to 22 Watts, and the built-in preamp circuit will allow you to copy weaker repealers or simplex signals. The 1.3M4-30P operates from 13.8 V dc and retails for 139,95. Lunar s model PAJ-28 is an automatic, switching-type. 14-dB preamplifier for 10 meters, The PAI-28 improves effective receiver sensitivity and...

Pectrum Comm

We 9ve got the greatest design performance Know-how 12+ years in the business with constant improvements in our Repeaters & Link Units For that new 220 MHz Machine-Spectrum now makes 3 lines of VHF Repeaters the world famous Deluxe SCR1000A, the Low Cost line of SCR77st and the State of the Art Microprocessor Controlled SCR2000X Line of Repeaters The SCR77 Repeaters maintain the quality of design, components and construction which have made Spectrum gear famous throughout the world for...

Communications Specialists

The SS-32PA encoder is the latest in a Microcraft's CODE 'STAR decodes incoming Morse, Baudot, and ASCif transmissions and displays them on eight large LEDs- A microcomputer autotracks Morse from 3 to 70 wpm An age circuit provides up to 16 dB of gam to help maintain signals under fading conditions. A built-in code-practice oscillator is also included. An optional serial parallel output port provides ful-ty buffered simultaneous parallel and serial ASCIL Data rate is either 110 or 300 baud...

Rttybin

Wail a minute, tet me double-check the cover. Yep, this is the June, 1987, issue of 73, That means we are starting the eleventh year of RTTY Loop with this issue. All I can say is 1 Thanks Thanks to each and every one of you who has been following this column these years and whose letters and calls have made this column One of the patterns I set a few years ago was to highlight a computer program in the June or July issue. With the prolif ration of commerciaf programs for many systems and...

Info

220-225- M H2 T 215-230-MHz Green LCD. Muftifunction 21 Table 1. Basic features of the TM-3530A and the IC-38A. With receiver squelched Receiver Sensitivity 2 uY for 10*dB S N .6 uV for 20-dB S N 2 uV for S9 -6dB 10kHz -30dB 15 kHz -50 dB 20 kHz .15 uV 6 .5 A max. 3.0 A appro* 450 mA Table 2. Performance data ICOM IC-38A. With recetver squefched Receiver Sensitiviiy 6 uV for 20-dB S N 2 5 uV for 39 -6 dB 10 kHz -20 dB 15 kHz -40 dB 20 kHz J6uV Table 3. Performance data Kenwood TM-353 A....

Butternut

The model 220CV-5 is Butternut's omnidirectional 5-dB-gain vertical antenna for 220 MHz. Butternut's Trombone phasing sections offer high gain and reliability under the most severe weather conditions. There are no coils or internal connections that can pull apart, and no insulators that can break. It is fed by means of an adjustable gamma match for lowest swr. Resonant radiais decouple the radiator and its supporting structure and feedline to suppress unwanted high-angfe radiation- For more...

Spectrum Communications

The SCR77 from Spectrum Communications Corp. is a basic, low-cost, 30-Watt 220MHz repeater for voice or packet. Features include excellent receiver sensitivity (.22 uV 12 dB Sinad), an 8-pole front-end filter, a double-balanced mixer for superior inter-mod rejection, a 12- or 14-pole i-f filter, a built-in plug-in CWJDer, a timeout timer, and automatic switchover to battery backup. An optional rack-mount autopatch is available. The SCR1000A is Spectrum Communication's deluxe 65-Watt 220-MHz...

Universal Electronics Publications

The latest catalog of electronics books and publications by Universal Electronics. Inc., has been released. Topics include RTTY. shonwave. facsimile, weather, radioteletype, and satellite TV. For a complete list of publications from Universal Electronics, circle number 201 on your Reader Service card. The Nevada RC 26 Rolter Coaster variable inductor The Nevada RC 26 Rolter Coaster variable inductor

Far East Electronics Technology Tour

It's the best way to keep pace with the explosive consumer electronics marketplace. I he Japan Electronics Show*The Korea Electronics Show*The Taiwtin Electronics ShowThe Canton Trade Fair*The Singapore Electronics Show FROM Commerce Tours International Inc. TO Businesspeople and Entrepreneurs Here's Two Weeks That Can Change Your Business The Japan i ethnology Updates Seminar Korea Business Opportunities Seminar Taiwan Business Opportunities Seminar China Business Opportunities Seminar...

Circle On Reader Service Card

Kenwood brings you the greatest hand-held transceiver ever More than just big rig performance ' the new TH-215A for 2 m and TH-415A for 70 cm pack the most features and the best performance in a handy size. And our full line of accessories will let you go from ham-shack to portable to mobile with the greatest of ease Wide receiver frequency range. Receives from 141-163 MHz. Includes the weather channels Transmit from 144-148 MHz. Modifsable to cover 141-151 MHz MARS or CAP permit required ....

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California Packet Concepts

The TNC Jl from California Packet Concepts is a licensed copy of the TAPR TNC-2. TAPR's original design is kept intact to offer absolute compatibility with software updates and new network offerings. All sockets use dual beam gold contact. Each TNC II is burned in for 48 hours prior to shipment. The latest 1.1,4 software is available and the TNC II comes standard with all headers installed. For more information about the TNC II, circle number 232 on your Reader Service card, The DGM-1 RTTY CW...

Coaxial Dynamics

The model 81000A wattmeter from Coaxial Dynamics, Inc., measures rf power in 50-Ohm coaxial cables and transmission lines. The built-in line section can be removed and used with accessory cables from 33'r to 200 from the meter On the back are two sockets for storing extra measuring elements The 81000A covers from 0T Watts to 5,000 Watts full scale, and from 2 to 1000 MHz For more informaron circle number 244 on your Reader Service card. D GiPAC 1 is digital communications software for PCs and...

Dgm Electronics

The MKB-2000 Morse keyboard from DGM allows you to send perfect code from 1-199 wpm just by typing the characters. It has a 500-character text buffer, ten 40-char-acter programmable memories, and a random code generator. The MKB-200 has outputs to key any transceiver. i bin And fctfutotL i feiriiil focafcrat 2t. S lt ,lm h ProKyttiin a l,i l4 41 ' i lMI0l 1 i . fthUiin ad hwi ir s 11 tMtf li i 31 vvatiQE t t ihm n- L1 Ha fut fuifTltoftf m H mrtiJ diUtow 11. IrLi ta WS This PC-compatible...

Mfj

MFJ offers a wide variety of products for the enhanced Novice. The MFJ RTTY CW Computer Interface allows you to send and receive RTTY, ASCII. AMTOR. and CW. A crosshair mark space LED tuning array allows for accurate tuning even under poor S N conditions. It transmits on both 170- and 850-Hz shift and includes a built-in RS-232 interface. Variable shift tuning lets you copy The MFJ-1274 is a full-featured packet radio VHF HF TAPR TNC-2 clone that includes an LED tuning indicator, a TTL serial...

Of

KT2B covers the basics of operation on Novice Enhancement's least-understood allocation, the 23-cm band. Photo C Two transverters for 23 cm, Microwave Modules MMT 1296 144 top gt and SS amp Electronics' LT23S bottom . 23-cm FM activity in Japan. But if you're into fast-scan amateur television SSB, CW weak-signal work, or even satellite operation, then the 1271A will fit the bill. Kenwood at the present time markets only a I-Watt FM portable for 23 cm, the TR 50 This unit is battery-powered and...

Ms At

I.XDlO A 4M rt Ll'ft SAJfUITf CQftVOH A QH Fig. 1. AMSAT NA member certificate. the 1986 information. Much of the content is recent and includes pictures of some ngs that work well for satellite operation. The ARRL also publishes QEX which incorporates ihe ARRL Experimenters' Exchange and AM SAT Satellite Journal. Although the articles are rather technical, the material is thought-provoking and, at Sa per year for AMSAT or ARRL members, is not expensive. The ARRL Letter is a biweekly...

Jil Kantronics

And measure your battery level with the digital battery voltmeter. There's even a Low Battery LED, Finally, your operation is rounded out with features tike VOX capability. A one-touch repeater reverse switch. An LCD readout with illumination lamp. A high low power switch. Remote computer control capability. An optional CTCSS module, And Yaesu s full line of optional accessories. Sn step u p your operating capability now with the logical choice in HT operation....

Terre Haute In Juku

The 41si annual Wabash VaHey AHA hamies r Will Ik held on June 14, beginning al 6 a m at the Vigo Coumy Fairgrounds m Ter re Haute Indiana located on U S 1, 1 2 mile south ol 1-70. Advance tickets S2 Of three lor 5. or S3 al the gale. Children undet 12 free Free outdoor flea market covered flea market. S3 for 12 12space, some wiih ac tables available on first-come basis, FCC exams al Ihe Red Cross Building in Terre Knute pre-regisiratlon only Talk-in on 147.69AQ9 or 146,52. For tickets and more...

ATV

Repeater outputs every 25 kHz Wideband experimental, ATV Narrowband FM simplex, 25-kHz channels National FM simplex calling frequency Weak-signal SSB, CW Digital communications Table , The curren 1240-1300-MHz ARRL hand p an adopted in 985 Novice suhhand indicated in italics . makes an excellent col linear antenna for 1200-1300 MHz, employing either magnetic or fixed mounts. These NMO series antennas employ a spccial Bcldcn type 9311 cable about the size of RG-58, with a loss rating of 16 dB...

Kitchener Ont

The Guoiph and Kitchener-Waterloo AFlCs w U sponsor the 13th annual Central Ontario Amateur Radio Flea Markt1 on June , irom 6 am to 2pm at Bingeman Park, l3B0VictCh na Si reel North L Kitchener, Ontario General admission S3. Children 12 and under tree. Tables S5 per 9-foot space No outside vendors. For rurthei informaiion call Ray Jennings VE3CZE at 519 -8i2-e342. Paul Modray VE3CHM at 5t9 gt 579-3057, or Eric Enns VE3BB at 519 -685-5216, or write toGuelph ARC, PO 00 1305, Guieph Ontario N1H...

Certificate Maker Print Shop

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Nevada Coil

The Nevada RC 26 Rotfer Coaster1' coil, designed and manufactured by G4JEV, is being distributed by Telecomms of Portsmouth, England. It is intended for use in high-power ATUs and transmitter output stages The unit has a unique roller suspension system, which both mini mizes J contact bounce and ensures the best possible contact between roller and coil during adjustment, The Nevada Rolier Coaster has a power-handling capability of up to 1 kW and an inductance of 30 uH maximum The unit sells for...

Cushcraft

The Cushcraft A220-7 is a 7-element 220MHz directional beam designed for FM and vertical polarization. The A220-7 is rear-end mounted so it can be put on a mast or tower leg Forward gain is 11.0 dBd and front-to-back ratio average is 20 dB. any shift from 100-1000 Hz and any speed 5-100 wprn RTTY CW, 300 baud ASCII . The unit works with VIC-20 C-64, Apple, CoCo, Atari, TI-99, and other computers. It can be used with MFJ, Kantronics, AEA, or other software. This unit is priced at 179.95, The...

Sources Of Information

Where can f find more information on the amateur satellite program In all the letters and phone calls I've received since starting this column in January, that question has been asked more times than any other Where can you find more information In previous columns, t have menttoned The Satellite Experimenter's Handbook by Martin Davtdoff K2UBC and the AMSAT nets on 75 and 20 meters, See Table 1 for a current listing of AMSAT nets. Now 111 tell you about various organizations, magazines, books,...

Acoa

The Antenna Company of America offers a cubical quad antenna for 220 MHz. It is of all-metal construction except for the insulators , can be quickly and easily assembled, and requires no field adjustments. The antenna is fed with 50-0nm coax and can handle 5 j-.W it is a so lightweight fless ihan 9 pounds , allowing it to be rotated using a light-duty roior e.g., one designed for TV antennas . The ACOA cubical quad for 220 MHz 1 priced at Si 59 ACOA also makes cubical quads for 144 MHz and 440...

Manassasva

The Oie Virginia Hams will preseni the annual Manassas Hamfesl on June 7. from 8 m. until 4pm at the Prince William County Fairgrounds General admission children under 12 admitted 'ree Taitgating S5 per space in addition to generaJ admission Tafk-m on 146 37f 97, 146.52 For exhibit space, call Joe Schatter K4FPT at 7O3 -368-05W or Bob Zaepfel K4HJF at 703 368-3763. For more information, wrile 10 Ole Virginia Hams ARC, PO BO 1255 Manassas VA 22110. Or call John Gunsett KI4VP at r03 gt -361 5255...