After the discriminator, audio filters and amplifiers follow that may heavily distort a digital signal. Photo of a reflection mode discriminator acknowledgement the author would like to thank dr h j belk for his help in the development of discriminator. This radio is closely fasioned to the pro 95 in respect to chip placement and audio processing. For example, race frequencies in bank 1, policefireemergency in bank 2, etc. Page 6 8172015 easier to read pro972055 scanner manual att appears if the attenuation is on for the channel sr02 or for the band sr36. This allows you to organize frequencies for easier access. Im hoping that adding a d tap will clean some of that up.
Pro97 software win97 data management software for the. Only those radios with a 16pin accessory jack can be configured to provide a discriminator audio output. Speaking of mods, i dont like the need to have 2 batteryholders to switch between. Tripletrunking lets you follow a signal in virtually. Radios that have 5pin accessory jacks are lacking the circuitry and an available pin to provide such a signal. Pro97 1,000 channel triple trunking hand held scanner.
The radio shack pro97 is a highperformance, extendedcoverage. Also see the scandata faq q2 article for a list of older scanners tap points. The radio shack pro97 is a highperformance, extendedcoverage scanner has the ability to scan both trunked and conventional channels at the same time. Atg appears when global attenuation is on for all channelssearches. Audio patch cable from the discriminator output to the computer computer not sure what the minimum requirements are. The discriminator output on the pro97 comes from pin 9 of the mc3361 chip. With the right software, you can plot the positions of ships received on a map. The line lengths give this design an unambiguous bandwidth of 2. I actually have 2, so one can become my pocsag radio. This is due to the various improvements offered over traditional analogue voice radio. Its shown in the picture below with the blue wire attached. A slicer is a simple electronic circuit that can take base audio from a scanner usually through its discriminator tap and modulates it into a signal a computer can interpret and use through its serial port. Using dsdplus and a discriminator tapped pro97 scanner to listen in on digital police traffic dont forget to subscribe for more great content. This is connected to pin 9 of the 3361 chip this is the discriminator output, providing unfiltered baseband narrow fm audio.
You can also purchase my 20546 cable but you will have to use the stereo to mono adapter that comes with that cable. Listed under the technical referencereceivers category that is about radio receivers, projects and products. Cat 20527 pro97 1,000 channel triple trunking hand held scanner. Now go find a nice hot packetdmrp25paging frequency, fire up your decoder software and go nutz. Place the scanner on a scratchfree surface, face down. This discriminator source is required for applications such as trunker, t4win, unitrunker, and dsd. Arc300 software for gre prs300300c psr400400c and radioshack pro163pro164pro972055 and mfj8322. If the message is relate to an article, the article can be selected next to each message. Please check this listings photos for a closeup of the connector to.
Win97 data management software for the pro97, pro2055. Radio shack discone antenna older model, without baseloaded vertical hf whip fed with 11 metres of rg2u coaxial cable milspec equivalent to rg8, under 6 db loss per 100 feet at 1 ghz, 97 % braid talkpcr and other control software linelevel audio feeding into the creative labs sound blaster awe64 gold card in my server. This is connected to pin 9 of the 3361 chip which is the discriminator output. The following is an excerpt from the yahoo pro 97 group discussion thanks to brett for the great info. The discriminator output from a scanner is the raw, unfiltered signal that a. The pocsag thing adds a who new dimension to scanning. The pro97 is, fortunately, one of the easiest radios to add a discriminator tap. It allows you to read data from the scanner, make changes via the gui, and write the modified data back. Program up to 1,000 frequencies in 10 banks of 100.
Aug 31, 2017 fm discriminator tap access radio type. General guide to scanning published by radioshack, aimed at the pro series scanners pro 43 scanner the pro 43 scanner model number 2000300 was introduced in 1992 and for a long time was their only portable scanner where the uhf band was 200512 mhz instead of 400512 mhz they marketed the addition as adding military aircraft coverage, and low band was 3054 mhz instead of 3050 mhz. You can carefully solder a wire if you prefer, but it is more likely to void the warranty. Pro96com control channel decoder for p25 trunked radio systems. I obtained all the parts for this mod at radio shack. Programmable scanner frequency files and software if you live in the st. Charles or metroeast areas, or are planning a visit and you use computer programmable or computer controlled scanner, the links on this page will allow you to download preprogrammed data files of relevant scanner frequencies and talkgroups for many. The discriminator output on the pro 97 comes from pin 9 of the mc3361 chip. We do not issue refunds once a registration key has been provided, except in cases of obvious, accidental, duplicate registrations. Pro2006 p25 decoding with a descriminator tap youtube. Radioshack, archer, micronta, and realistic information index. Remove the four screws and lift the back cover off of the scanner. If you want to decode and monitor digital fsk and psk systems seriously, a discriminator tap is an absolute prerequisite. Its shown in the picture below where i attached the blue wire.
Use one battery case for standard and rechargables. Getting discriminator flat audio out of a maxtrac 5pin radio. The discriminator output from a scanner is the raw, unfiltered signal that a scanner produces before it is sent to the audio stage for output through the speaker also called the baseband audio. The radio shack pro 97 is a highperformance, extendedcoverage scanner has the ability to scan both trunked and conventional channels at the same time. Receivers discriminator output tap resource detail the. If you have the pro2055 tabletop unit the procedure is mostly the same since they are both the same radio, just packaged differently. This listing is for a single radio shacks 20047 usb programming cable with the 3. The pro 97 is, fortunately, one of the easiest radios to add a discriminator tap.
Only certain models of the pro 92 are thought to be rebanding capable. Scanner i guess it can be any kind as long as you can get at the discriminator output. Because of the limited amount of keys on the radios, programming a 3 letter word takes about 20 keystrokes on my pro 97, if you can remember the sequence and dont make a mistake, after you program the bank name. Good luck modifying your scanner with a discriminator tap. Sold, but the page remains here for your information interfaces directly to banpaia, pocsag decoder, mdt decoder, and other software. Unzip the contents to a temporary location then doubleclick setup. Digital radio voice communications are becoming more commonly used in the radio spectrum. Modified pro 34 top of the line portable, 200 channel scanner. Now go find a nice hot packetdmr p25paging frequency, fire up your decoder software and go nutz. Only a few scannershave a discriminator output as a standard feature. Use a terminal connector to connect the wire to tp4. Feb 14, 2015 radio shack pro 2026 police scanner mods and refurbish.
Apr 11, 20 the rtlsdr software defined radio combined with sdrsharp and a program called digital speech decoder dsd can be used as a radio scanner to easily and cheaply listen to unencrypted digital radio voice conversations. It already has a convenient short wire post to solder a wire to, labeled tp4, which is directly connected to pin 9 of the 3361 chip the discriminator output. These radios also have software that will enhance andor enable other features not possible with just the keypad and have been noted when known. By registering, you acknowledge that you have taken the time to use win97 with your pro 97 or pro 2055 during the 30day free trial period and that the software works to your satisfaction. Discriminator tap pro96 discriminator tap pro 97 discriminator tap. The following is an excerpt from the yahoo pro97 group discussion thanks to brett for the great info. If errors are encountered while using the program, please use the helpalerts and errors menu from within the application.
Tapped the discriminator of a pro2006 scanner and piped that into the computer so i could decode the data into clear audiovoice. The computer programs that monitor and decode these signals need discriminator or flat audio. Only a few scanners have a discriminator output as a standard. Aug 06, 2014 using dsdplus and a discriminator tapped pro 97 scanner to listen in on digital police traffic dont forget to subscribe for more great content. Mating the pro2006 with a software defined radio sdr. Programs like trunker use data slicers to monitor a trunked radio systems control channel. Fortunately, rs made a very handy solder point connected to this. Look dead center of the circuit board, then go right and down. Most of what ive been getting is clean, but about 20% is gibberish or garbled.
Radio shack pro 97 scanner software radio shack alarm. All links shown in green represent links to radios that are or expected to be capable of supporting rebanding. The clerk was really pushing the pro 97 when i wasnt even interested in trunked systems, let alone a hand held. Win97 is a software program for the radioshack pro 97 multisystem trunking scanner, as well as its mobiledesktop cousin, the pro 2055. Based on a post from a certain popular scanner mods site, without. Installing a discriminator tap on a pro 97 scanner. Tapping your pro97 or 2055 made easier ham radiohardware. Carefully solder a wire to tp4 or crimp it on if you can get a small enough pressure fitting like i did. Radio shack pro 2052 discriminator tap radio shack two way radios 211812 radio shack scanner download. Alpha tagging is great but much easier with the software.
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