Specifications

Amateurs worldwide have sought quality amplifier products from TE Systems. Renowned for the incorporation of high quality, low-noise GaAs FET preamplifiers in RF power amplifiers, TE Systems offers our fine line of products through select national distributors. All amplifiers are linear (all-mode), automatic T R switching with adjustable delay and usable with drive levels as fow as V2 Watt. We incorporate thermal shutdown protection and have remote control capability....

Pennsylvania

Authorized factory sales and service. KENWOOD, ICOM. YAESU, featuring AMER1TRON. B& W, MFJ. HYGA1N. KLM. CUSHCRAFT, HUSTLER. KANTRONiCS. AEA, VIBROPLEX, HEIL. C LLBOOKr ARRE Publications, md much more HAMTRON1CS, INC 4033 Brownsville Road, Trevose PA 1WW7 2 S 3571400. FAX 2I5) 355-8958. Saks Order 1-800 426-2820* In Dallas since 1960. We Feature Kenwood. ICOM1 Yatsu, AEA, Butternut, Rohnt amateur publication . and a full line *if accessories. Factors authorized Kenwood Service Center...

Circle On Reader Service Caro

216 349- 400, Te ex 4332133, Fax 216 349-8407 m the back yard using camera tripods for anienna mounb, the DX Hand y s telescoping antenna, an AEA half-wave portable antenna for 2m, and of course the LNW-28 preamp. The entire seiup worked better ihan i anticipated. RS ITs beacon was strong, tuning the passband was not too difficult, and my uplink was coming through loud and dear. I only made one contact on this occasion KA0SHC in Kansas, His signal was S-9t very strong and easy to copy. He...

Product Of The Month

The Spectrum Probe lets you design and repair electronic equipment faster and better. This probe causes a standard scope to display logarithmic amplitude vertical versus frequency horizontal. The frequency domain presentation, together with a large visible dynamic range of amplitude, provides a picture of circuit operation which has only been available with equipment costing much more, such as a laboratory spectrum analyzer. The laboratory spectrum anatyzer is more flexible, but its input...

Info

i DC to IDC '20 1 > lfcO MHi 00 ijTi Figure I, Graph showing frequemy versus Ik for the magnetron, This shows that output frequency is (nan-linearly) related to current to the magnetron. The basic transmitter scheme is adaptable to other emission modes, such as narrowband FM, with phase*lock circuitry described below'. A microwave oven magnetron is a self-contained. crossed-field power oscillator. Built-in cavities primarily determine oscillation frequency, with anode voltage and mag netic...

Bmklnj Kbci Pbbs

We are happy to provide Ham Help listings free, on a space available basis, Please type or neatly print your request on a fuH-sized sheet of paper. Use upper and lower case fetters not all capitals. Be sure to print numbers carefully. A f'anrfTV 7 and ,fT or TJ and other numbers and letters can be easily misread when they are not printed clearly+ U and V can also be confused Thank you for your cooperation. After about forty years, I sold my SX-88, and uncovered a considerable interest in the...

Curry Communications

Proudly Introduces a complete line of easy to build kils for L.F, and 1750 meters. Please write for brochure. Curry Communications, 852 North Lima Street, Burbank CA 91505. BNB874 WANTED All types of Electron Tubes. Call toll free 1 (800)421-9397 or 1 (612) 429-9397 C & N Electronics, Harold Bramstedt. 6104 Egg Lake Road, Hugo MN 55038, BNB878 FOR SALE Full size schematics. Complete sets for Ranger 4R 3300 20.00 , Ranger AR 3500 25,00, l-Q- Advertising, 1405 Stevenson Dr., Suite 3 No. 694,...

T

Connectors Across the top are the UHF PL-259 connectors The small cable adapter is at the far nght top. The N connector gt s a enmp on type, white the C connector is an older style, manually-assembled connector The right BNC connector ts a manual assembly, while the left BNC is a crimp type The SMA connectors are on the left They are shown with the other connectors to compare size. The table gives additional information on some of the most used connectors, EA M DL 146 Al I a all A comp...

Spectrum Analyzer

Than 100 MHz Dynamic Range 50 mm venical Logarithmic Linearity Sensitivity 100 Jv i-3d6 50 MHZ flatness 2 dB 5-100 MHz LF generation 1 MHz down appro S dB iFBantfrtftfttv iSOkH -3d9 Air 'ih ihe isolation of a low capacity probe than 100 MHz Dynamic Range 50 mm venical Logarithmic Linearity Sensitivity 100 Jv i-3d6 50 MHZ flatness 2 dB 5-100 MHz LF generation 1 MHz down appro S dB iFBantfrtftfttv iSOkH -3d9 Air 'ih ihe isolation of a low capacity probe The Spectrum Probe opens up a whole new...

S Sf Radio Desk

Designed tUi angled rear shell ior your viewing comfon ease of operaT on. Floor spat 39 Wida fay 30 Deep Chi cht. Money Orders. Ban A men card and Master Charge Accepted FOB Culver Cily. In Cain A lt Jd 6 Salas Tax. __DEALER INQUIRES INVITEE __ 4334 KEYSTONE AVENUE CULVEft CITY, CALIF. 90230 - PHONE lt 213 837 4870

Rotor Cabled Conductor

NE720 Type N piug fcf Beiden 9913 HE723 Type N eck tor Beiden 9913.r UGC273 BNC-PL2S9 Adapter-Amphertol PL259AM Amphenoi PL259 PL259TS PL259 teffon ins sitmr _________ J 59 PL2S8A M A mphenot femate- female barret 7.65 UG17S UG17G reducer tor RG5a 5S specifft 22 UG21D amp N ptug tor PGat213,2U Sibet 3 35 UG838 N jack to PL259 adapt lt gt rt tefion _ 6 50 UG146A S0239 to N plug adepter, tefion 6.50 UG255 SOZ39 to BNC plug adepter, Amphenol ,, 3,39 S0738AW UHF...

MFJ

Select any of several amennas from your operating desk with these MFJ Coax Switches They feature mounting holes aitf automatic grounding of unused terminals. They come with MFJ's one year unconditional guarantee MFJ-1701, 34.95. Six position antenna switch SO 239 connectors 50 75 ohm loads. 2 KW PEP, 1 KW CW, Black aluminum 10x3x1 v2 inch cabinet. MFJ-1702, 21.95. 2 positions. Cavity construction. 2.5 KW PEP. 1 KW CW. Insertion loss befow .2 dB. 50 dB isolation at 450 MHz, 50 ohm. 3x2x2 in....

Amateur Television

The finest QSL Cards at reasonable prices. Basic Cards, map cards, cartoon canis, photo cards anil mort, Your idea converted to ink or use standard designs. 747 ink colors, any card itock. Photos b w or beautiful color. Have cards that fir vour stvle, FREE SAMPLES - postage appreciated. KW Litho - Depi. 7i PO. Box 17390 817 332-3658 Ft, Worth, TX 76102 How iilu-ii have you .wked yuumdf Where ilid I see an urticlc rcview un thai r g 1 Or vented to locate it Fabulous urlidebul tiuJd rcmcmbcf only...

Icat

HZ-1 WnJitwnaPcvf TS- 0 ATGtfi CvgXcvr TS-44QS AT Gen Cvg Xcvr TS'1403 Gnn.Cvti Xcvr TM-55AT 2m- 70on 1,2 GHz TS 790A2m-70cfn i 2GHj TS-711A All Mode Base 25w TP 751A All M004 i'o amp Je 25 Tw-aatAzir TH.215A2rr HT Haatt A TH-2SAT 5 Pocket KT NEW TV-72 A 2m 70ct-- FM Mofc'te TM 701A 2m 70irti Mobile TH 75A2m 70cm HT TM-43lAC rtipflCI FM 35 TH-t amp AT 5 Pock l HT 220 MH 599 96 2449.9S T 449.95 949 459 95 1999 95 059 95 692 95 459 95 399 95 363 95 729 95 599 95 TB A 699 95 339 95 CaHS Calis...

Avcom

AVCOM'S portable test receiver, the PTR-25, is a battery operated satellite receiver. Its circuitry is derived from AVCOM's COM-2 and COM-3R satellite receivers, The built-in B amp W TV offers reduced power consumption and longer battery life than comparable color units. A full range of outputs are available for large TV monitors video recorders, and audso amplifiers. A special IF sampled output is available for observing the 70 MHz IF signal, including any terrestrial interference, on The...

Seno S For Catalog And Wholesale List

I've been reading your magazine and editorials for about 10 years with interest. Your ideas about how to get the ham population growmg are very good. I agree that we need radio clubs in the schools, but you and I both know that printing editorials has started very few clubs in the years that you've been talking about it. The btggest help to growth has been that several clubs have set up a Volunteer Ex aminer program to hold exams belore every meeting We give about iour or five exams each month,...

Vadcg

Richmond, BC V6X-1E1 Canada Ten meters is frequented by a number of contests and regular nets. The familiar sound of CQ TEN TEN is the result of Ten-fen international, which currently conducts a daily net on 28.800 MHz at 1800 UTC. They sponsor numerous awards and in the process have helped keep the 10 meter band active during lony periods of poor propagation. Ten-Ten International boasts nearly 50,000 members. it 's easy to see why 10 meters is rapidly becoming a showplace for...

Special

TM-3530A FM 320 MHz 25w 519.95 TM-321A Compact 25w Mobile 469.95 TH-315A Full Featured 2 Sw HT 419,95 TM-3530A FM 320 MHz 25w 519.95 TM-321A Compact 25w Mobile 469.95 TH-315A Full Featured 2 Sw HT 419,95 FT-767 GX Gh lt CvgXcvr FT-757GXII Gan, Cvg Xcvf F f-747 GX Gnn Cvg. Xcvf FU700015m- 160m AMP FT-2l2RHN W2m4S FT-712FH Tocm 35 FT290R AU Mtide Pofta lfi FT-23 R TT V f HT FT.-36P AU Mob FT- 70 2rr. TOcrn HT T929 00 11 29.95 B9 95 1995 00 -59 95 499 95 599 95 344 95 1745 550 95 FT-767 GX Gh lt...

Model Dual Paddle Keyer

COMING SOON-HERCULES II AMP Solid State, No-Tune, 550 Watts H F 1465 WELLS STATION ROAD, MEMPHIS TN 38103 OPEN 9 TO 5, SAT. 9 TO 12 CENTRAL TIME PHONE 901-683-9125 Another popular mode is the WA7WOO Modification of the Robot 400C, in formats of 17-second black and white, and 25.5-secand. 51.0-second, and 102.0-second line-sequential color. The color resolutions up to 256 by 256 pixel are displayed in 4096 colors on the Amiga, The AVT system supports the Microcraft Videoscan modes. These include...

Oyx

Barter N Bu advertising musr penain to ham radio products or sen ices, _ Individual noncommercial , 50c per word _ Commercial ,_______ - 1.50 per word Prepaymeni required. Count only the words in the text. Your address is free 73 cannot verify advertising claims and cannot be hejd responsible for claims made by rhe advertiser Liability will be limited to making any necessary corrections in the next available issue Please print clearly or type double-spaced No discounts or commissions are...

Circle On Reader Service Card

Introducing ihe rnosr Comprehensive and Easy-to-Use code course available today -MORSE TUTOR Is available lor IBM PC KT AT, PS 2 and companies 1 -100 rtroic .m nute code speeds Stande rd or Famsworth m odes Over 1 611 or, posMbte random OS s Letter, numberr and punct. mart coverage Self calibrating men u driven design Display lex1-- hj e listening or attar copying To Upgrade or learn CW. Send check or M O. for Si 9.95 f 2 S amp H to Mgr e utor if qunh.1 limply S SJDSrtiv s. arysn failings. K.41...

Aea Fstv

The latest entry into the 70cm A TV transceiver market. Advanced Electronics Applications, Inc. PO Box C-216 Lynn wood, WA 98036 PH 206 775-7373 Price Class 500 Fast-scan amateur television ATV is a fascinating mode of ham radio, ATV is much like commercial TV images are displayed at 30 frames per second, resulting in video that constancy and fluid I y changes to the human eye. Compare this to slow-scan TV SSTV , in which images are displayed only once every 8-9 seconds. Video images are...

Creative Control Products

CO amp 150J 3031 J3a-S4D5 Panadaptor especially designed tor the R-7Q00 receiver. For use with a standard scope. Variable span width from 1 to 10 AAhz. Uncover unknown elusive signals. Complete with oh cables, amp 90 day warronty. 349.95 Shipped, Pa res. add 6 . RD 1 BOX 272 Lehighton, Pa. 18235 717-386-4032 We are happy to provide Ham Help listings free, on a space available basis. Please type or neatfy pnnt your request on a full-size sheer of paper. Use...

Que Tear Wahrahtt

A ever Say Die continued from page 7 plans for ever using 99.83 of your frequencies, yet youVe angry when the FCC starts givmg them to people who have real needs for them Please explain this so I'll understand your reasoning. Please don't tell me about Novice Enhancement and the new League stance on no-code unless you can point to one single published goal for amateur growth that has been planned, There are no goals because, as far as I know, there are no plans for generating any significant...