Rfm

Discover this durably built, feature packed MB-V-A Antenna tuner You'll find operating conveniences that make antenna tuning a snap and value engineered to do the job over wide operating ranges Compare quality, features and the NYE VIKING TWO YEAR WARRANTY Get correct easy to read measurements of PEP for SSB, AM,and Pulsealong with full time completely automatic SWR display with this unique Power Monitor System. Two models to choose from The RFM-003 for 3KW indication and The RFM-005 forSKW. *...

Amateur Radio

Covers 10C MHj to 199 999 MH .n 1 kHz steps J ttl thumbwheel dial * Accuracy + > - l part per million at ail frequencies Internal FM adjustable from 0 to 100 kH at a 1 kHz rate Exltjmal FM input ac cepts lones or voice - Spurs and noise at least 60 dB below carrier * Output adjustable from 5-500 mV at 50 Ohms Operates on 12 Vdc op V Amp * Available for Immediate delivery * 429.95 delivered * Add-on accessories available to extend freq range1 add infinite resolulion AM, and a pn etsion 120 dB...

Al

Figure 3 Deviation Meter Circuit 66 73 Amateur Radio * March, 1989 Michael GeierKBIUM 7 Simpson Court S Burlington VT05403 I promised way back in my firsl column to talk about troubleshooting So here it finally is Let's get started. The rig dies and you get out the schematic One look at all those parts (a lot more than in he gutless wonder tube days, eh ) and you head for the shipping box. right Well, your radio s circuitry doesn't have to be intimidating. It's air a matter of organization....

Micro Control Specialties

23 Elm Park, Graveland, MA 01834 (508) 372-3442 The only repeaters and controllers with REAL SPEECH Create messages just by talking. Speak any phrases or words in any languages or dialect and your own voice is stored instantly in solid-state memory. Perfect for emergency warnings, cfub news bulletins, and DX alerts. Create unique ID and tail messages, and the ultimate in a real speech user mailbox only with a Mark 4. Leon Fletcher N6HYK 274 Webster Drive Ben Lomond. CA 95005 The Irish have made...

Helical Resonator Preamps

Send 1 for 36 page catalog by return mail. (Send 2.00 or 4 IRC's for overseas mailing) Order by phone or mail Min 3 S & H per order Use Visa, Mastercard, Check, or UPS COD. 65-J MOUL ROAD'H IL TON NY 14468-9535 Phone 716-392-9430 Hmmtronicn * im m rmgimtmd trmdrnmmrit COfi-3 REPEATER CONTROLLER kit. Features adjustable tail & time-out timers, solid-state relay, courtesy beep, and local speaker amplifier. 49 CWIO kit Diode programmed, adjustable tone, speed, and hmer, to go with COR-3 S59...

Antenna Yha-44d

ORLANDO Fla. 32803 621 Commonwealth Ave Phone (407)894 3238 Fla WATS 1 800-432-9424 CLEARWATER, Fla, 34625 LAS VEGAS, Nev, 89106 CHICAGO, Illinois 60630 189S Drew Street Phone(813) 461-4267 Ho In-State WATS 1072 h Rancho Drive Phone 1702)647 3114 Ho In-State WATS EftCKSON COMMUNICATIONS 5456 N. Milwaukee Avenue Piiane (3i2J 631-5181 No Nationwide WATS 1-800-634-6227 E 1-800-621-5802 Yaesu FT-790RII All-Mode Transceiver Yaesu USA 17210 Edwards Road Cerritos* CA 90701 Price Class 000 Yaesu has...

Bnee

VHF TO MICROWAVE GaAsFETs, MMICs, transistors, etc. SASE WA31AC, 7148 Montague St Philadelphia PA 19135 BNB771 HAMLOG COMPUTER PROGRAM Full features. 17 modules. Auto-logs, 7 band WAS DXCC. Apple 19.95 IBM. CPWI. KAYPRO. TANDY, CRB 24.95. 73 KA1AWH, PS 2015, Peabody MA 01960. BNB775 WANTED Sunair GCU-910A or GCU-935 Anienna Coupler. Ray Dunham. 1030 Hillside Ave., Pacific Grove CA93950. BNB790 ELECTRON TUBES All types & sizes Transmuting Receiving, Microwave Large inventory same day...

Info

L sing the S-COM 5K s macro feature, you can program the controller to change the courtesy tone to a different tone w hen the links become active. Tins is the easiest way to signal the user of an incoming link message. There are many possible ways to program these lines. Figure 6b. Bottomfoii iaytmt for the main hoard. Figure 6b. Bottomfoii iaytmt for the main hoard. he cosmetics of the link controller are not complete w ithout the lights A 12-pinconnec-uh on the link controller's board lets...

Australia

Following is the third and last part of the report sent in by Jim Joyce VK3YJ, which we have entitled Four Men and an Island-Weather from Beyond the Out* back. Parr appeared in the December, 1986, issue and Part II appeared last month. Amateurs leave their mark on Willis Island. At least three amateurs can be singled out for special mention. Dave VK9ZD (now VK3DHF)T one of the Bureau and Radio Technical Officers, came to Willis island after only five weeks of home life, following a 12-month...

South Africa

Peter Strauss ZS6ET PO Box 35461 Northdiff. ZA-2115 Republic of South Africa Breaking records. A team of South African amateurs broke the Africa record twice for X-band (10GHz) during 1988. Previously held by the fate Gary Howarth ZS6ASO and Dave WoodaM ZS6BNT, this 198 km record stood without improvement for many years. Gary Howarth was well known in South Africa for the first 2-meter moon bounce contact and Dave for his leading involvement with the BACAR projects. (BACAR stands for Balloon...

The Radio Works

The Radio Works now has a comprehensive balun line of ten different models. Three models have 4 1 ratios. The B4-l,5k ohm ferrite balun is general purpose, saturation resistant, and covers 80-10 meters. Five models have 1 1 ratios. These are all current-typefc)11 baluns The C-series baluns are designed for retrofit applications m wire antennas and beams from 160 through 10 meters. The C75-2k and the C75- * are 75 ohm models they are the only baluns made specifically for the quarter-wave...

Elenco Electronics

The EEenco Superhel 550 AM Radio Kit is a superheterodyne receiver of the standard AM frequencies. IE uses seven transistors. By placing the parts over their corresponding symbols in the schematic drawing on the surface of the PC board, teaming is enhanced during assembly Included is an excellent assembly, lesson, and theory manual. Good projeci for classroom studies. Price. S20. Elenco Electronics. Inc., 150 West Carpenter Avenue, Wheeling IL 60090. 312-5413800. FAX 312-520-0085. Circle Reader...

Harlingen Tx

The South Texas Amateur Repealer Society is sponsoring its Hamfest at the Casa de Amistad on the above weekend. It will feature FCC and SCT forumst packet demonstration and participation, dealer displays, air-conditioned flea market, VE exams. RACES ARES meeting, and ARRL forum. Talk-in on 147 99 .39 English 146.10 .70 Spanish Admission advance, S5 door. S6 Tabies advance, 7 door, 10. For registration, contact Dr. David Wool-weaver K5RAVt 2210 S. 77 Sunshine, Harlingen TX 78550. 512 425-7744....

If

Photo A Kip Edwards W6SZN, one of the operators of the 3D2XX DXpedition. of separation from the parent country, such as Hawaii. This means that if a country is truly independent, any part of that country separated by more than 225 miles of open water can be considered a separate country for peared to be an excellent candidate for separate DXCC status. However, no country is added to the DXCC list until an accredited operation takes place from that country. So the next step in adding Rotuma to...

Bns

LEARN MORSE CODE fi 1 HOUR. Amazing new supereasy technique S10 Both 317. Moneyback guarantee. Free catalog SASE Bahr, Depl 73-3 2535 Marietta, Palmbay FL 329 5 BNB531 SB-22G OWNERS 17 detailed mods which include 160-6 meter operation, QSK. fenhanced p.s. 50 rebate for new mods submitted 9 pages of 3-500Z tech info. 11 postpaid Into SASE. BOB KOZLAREK WA2SQQ. 69 Memorial Place. Elm wood Park NJ 07407. BNB501 ELECTRONIC KITS amp ASSEMBLIES Fo our latest catalog, send...

Printer Port

Compatible with Centronics 8-bit parallel printer At teast 4K byte data buffer fs required in a printer. BACK TO BASICS - - But far more advanced-- - The AR-501, triple mode CW terminal in a small package, is a powerful gear to practice and play with. For the Novice, SWL and Amateur radio operators it detects Morse code between 5 to 30WPM. Just plug the AR-501 to your receiver to start translating the Morse code onto full 32 character LCD display. Veiy simple and easy to operate. You ask for...

Day Dummy Mfj-254

MFJ has a full line of dummy loads to suit your needs. Use a dummy load for tuning to reduce needless and illegal GRM and save your linals. MFJ-260, 28.95. Air cooled, non inductive 50 ohm resistor. S0-239 connector. Handles 300 watts Run lull load tor 30 seconds, derating curve to 5 minutes. SWR less than 1,3 1 to 30 MHz. 1 5 1 30 50 MHz. Pfa amp fait in. MFJ-262, 69,95, Handles t KW SWR less than 1 5 1 to 30 MHz, 3x3x13 in. MFJ-254, 109,95. Versatile UHF VHF BF 1.5 KW Dry Dummy Load. An MFJ...

Mb

SLEP SPECIALS Military USM-207 Solid-Stale Portable 0-500 MHz Freguency Counter. eight digit readout, high stability oscilla- tor. lab quality. 185 Military USM-117C Solid-State Portable DC-5 MHz Oscilloscope, ideal for bench work or RTTV Modulation lest I rig, 95 00 HP6D6A Sjgnai Generator 50 kHz Ihru 65 MH , S195 HP60SE Signal Generator 10 MHz thru 480 MHz, 345 TE-403 U M fcro wa ve Si g nal G e ne raior 1,8 G Hz t hru 4.2 GH , MJUSPEC Version HP616B, 195.00 TS-510AAJ Signal Generator 10 MHz...

Edited By Bryan Hastings

Cosmonauts Vladimir Titov U1MIR and Musa Manarov U2MJR returned safety to earth on 21 December at 2157 UTC ending their year-long stay in outer space on Mir Vtadimif and Musa made amateur radio history as the first to operate a ham station station aboard an orbiting space station. They made hundreds of contacts witn terrestrial amateur stations. On 19 December during Mir orbit 16305, Musa said farewell to all hams. The 2 meter FM station remained aboard, and is now operated by Dr. Vaieri...

Zjp

One Newrtrontcs Ptace Mineral Wells, Texas 76067 817 32S-13S6 One Newrtrontcs Ptace Mineral Wells, Texas 76067 817 32S-13S6 Photo A, WA60LQ s control box contains the attenuator control and read-out in the upper right corner plus an external S-meter. noise meter, and LED-bar meter Joe MoellPEK0OV PO Box 2508 Fullerlon CA 92633 in the ast two columns, you've seen how a beam or quad makes a simple, high performance VHP RDF antenna, and how easily you can put one together. But before you re ready...

Tnc

Figure 2 The TNC and HT work together by means of a telephone jack. small personal PBBS, rather than a large, hard disk computer system. The table lists and describes the PBBS commands. The local terminal can use all the commands except help and bye. If you have loaded the daytime command with the current time and date at power-up of the HK-21, each message will be time-stamped. The time and date is kept by the computer within the HK-21, so when the unit is off, the current time and date...

Inexpensive Slow Scan See What

YOU HAVE MISSED Either 18M PC XT AT Or Commodore 64 126 vision only J39 96 Recen. atl popurar SSTV modes, including 36 second color ROBOT, m S gfsy Sav- i flges to disk, Commodore vers on ai-so transmits black and white pictures IBM ve f amp ion is recei e on ly i req u i res CGA cap ability . fncludes ojsK software, documents I ion. pretinntd and drilled PC board for easy as-sambiy Uses common, Low-cosi parts. Specify computer typa. SASE for information Or der from KINNEY SOFTWARE. DEPT...