Sarex Ii

More American ham-in-space action is on the way. Ron Parise WA4SIR is slated for a trip to space around midyear on STS-35 This mission was originally scheduled for late April but some delay is likely. If NASA budget constraints do not interfere. Ken Cameron KB5AWP will follow a few months later on STS-37. Each astronaut will carry a different version of Ihe SAREX II configuration into orbit. Four variations are possible, ranging from two meter FM voice only to a combination of voice, packet,...

Amateur Television

Frenzy of activity by today's hams, how on earth are we going to interest youngsters in our hobby Kids want action, I'm not even seeing talk, much less action. What's happened to us What do I have to do to get a spark of excitement into your hobby How can I get you to give OSCAR a try Get you to even give packet radio a try Get you off your duff and onto a Caribbean island for a DXpedi-tionette Get you to put up a new beam and really talk with 100 countries7 How about getting set up to win a...

Phase III Hamsat Signal Reporting

Do you really know what S9 means Table I Range of beacon signai strength* to be expected at a typical AO-13 Mode B station. the signal strength reports that we hams exchange. On the HF bands we lend to be at the mercy of someone who decided thai a 25, 50, or 100 microvolt signal was the correct input to be defined as S9 on his product. Then man> of us have suffered under the misconception that each progressive step between SI and S4 represents a 6 dB increment, it just ain't so. S-meter...

BNB

8 disk sides over 200 Ham programs SIS.95. 25c stamp gets unusual software catalog ot Utilities, Games, Adull and British Disks. Home-Spun Software, Sox 1064-B , Estero FL 33928. BNB917 100 QSL CARDS S9 Shipping included. Free samples, Shell Printing, KD9KW, PO Box 50Ar Rockton IL 61072. BNB921 EASY PCBs using our popular transfer sheets inexpensive. FREE details. PCBs. Dept H1, Box 13534, Kanata, Ontario, Canada K2K 1X6. BNB923 Barnstable Radio Club will hold their Annual Hamfesl Saturday...

Multimeter

Advanced features at a reasonable cost. Efenco's Digital Multimeter A handy multitester probe. It was bound to happen. In this age of high tech watches, LCD speedometers, and pagers-in-a-pen, it was only a matter of time until some of that new technology filtered down to the lowly electronics technician. The most common high tech test tool lately is the digital multimeter probe. The Eienco Electronics M190Q probe is an excellent example of this new technology. Based on a custom-designed 80-pin...

Gms A

5 Somerset Dr., Coatesville, PA 19320 215 383-6395 Simp if The Finest In Battery Charging Equipment Quality By Design Add a new dimension io your amateur radio communications with AEA s Amateur Television ATV system. If you hold at least a technician-class license, you can transmit and receive live or taped audio and video Fast-Scan TV FSTV information thai rivals broadcast quality. Now you car share more than conversation over the air with this new mode of ' personal communications, b_ It's...

Sb

The technology that worked lie world can work for you, ttx , in your own ham shack, The SB-1400 is a fully assembled all-band, all-mode FM optionalcontinuous duty, 100-watt transceiver It incorporates an impressive general coverage receiver with dual VFOs tor split operation and 20 memories to store your favorite frequencies. The unit includes standard SSB filter plus a narrowband 500 12 CW filter and wide-band AM lilter. It also features clarifier Rl'i , front panel AGC, noise blanker all mode...

Hf Ssb Antenna Coupler Fast Intelligentaccurate Operates Wjth Any Hf Ssb Transceiver

Waterproof Antenna Couplers

The Snjtfrftfffl i' h j h ErChnDlugy cuuplcr intelligently tunes Any Icn amp th ffttennf S to SO it in he nri TJie uull wi operate -w ih any HF transceiver witliin its' specifkaLmni The Smurtuner swiidiis 64 input 31 ouipui capacitance nn hdom 256 iniiuctancc combination in a ,hpL netwurk resulting in over b Ir-mL Sin it dLfiereiil ways to ensure a prriett match fet ht trinaceivir, Aiui, if the frtqttenty antl the tuning i ttlurS and will reeled IhtM values in Lea a than 10 ma npet lime you...

Updated Super Icom

SUPER ICOM BP-7S. 13.2 volts 1200ma triple the capacity of the Icom BP-7. 5W output SUPER ICOM BP8S. 9.6 volts 1200ma. 50 more capacity than the Icom BP-8. Both are rapid base charge only or slide wail charger. 4 inches high BP-7S or BP-3S S65.00 SUPER KENWOOD Exact replacement FNR 2 Nlcad pack SUPER KENWOOD PB 25S P8-ZGS, 3 4 for YaesU FT-401R 20 R 208R 708R vo.its. 900ma, double he capacity Of the PB-25 PB-26 for ihe 2500 2500 3500 3600. Charge with either the standard wall charger or drop in...

Uniden HR

Every new contact is as exciting as the first, no matter how long ago that was. Take 10 meters, for instance. Just the other day 10 was open as I cruised along a road near my house. As tuned around on my 10-meter rig I heard Cyprus Malta, and Ireland. Not being one to let an opportunity gor I called each station, and what do you know They came back to me Cyprus on the first call, Ireland on the first call, and Malta onthethird. The amazing thing is that it was ail done with 25 watts from...

Product Of The Month

Japan Radio Company, Ltd. has introduced the new JST-135 HF transceiver The JST-135 is a general coverage receiver designed for high-performance DX communications, it has microprocessor-controlled variable from-end tuning to enhance selectivity and dynamic range. Six interference rejection techniques, including the newest notch follow fitterMt ensure high quafity OSOs. The heavy duty transmitter uses a low-distortion power amplifier to reduce high-order IMD, and a specially constructed heat...

L O

Figure 4 TRW CA TV amplifier module. good isolator for the mixer ports Jusi keep connecting leads short Compared to hybrid circuits composed of discrete components, the mixer module is easy to build. Witn modular construction, about alf you need are a few bypass capacitors. In Figure 3h I have shown the connections pinouts of several mixer circuits with a typical schematic of how they are connected internally. Most devices follow this patiem only the pjn connections may differ The TFM-2 mixer...

Circle On Reader Service Card

Engineering u Barrington, IL60011 QRP Continued from page 68 tance than 40 meters. The link itself is only 3 turns of insulated hookup wire wound over the tank windings. You can use asmall link connected to a low voltage bulb as a tune-up aid. Tune for the brightest glow. You'll have to play with the number of turns to find resonance. Again, you can build this transmitter during a rainstorm on a Sunday afternoon, so don't be put off something as simple as this. Why, you might even learn a thing...