Locator Stalker 15-24

Locator Stalker 15-24

Overall, the Locator Stalker 15-24 and similar GPR systems are powerful tools for non-destructive subsurface imaging, offering valuable insights into underground features and facilitating a wide range of applications in various industries.


PT-24 receiver


  • lightweight design (weight 1.9 kg)
  • Enlarged, bright color display
  • Extended operating time

Continuous display of all necessary parameters:

  • Compass function with simultaneous schematic display of two communications:

– the first with current flowing from the generator;
– the second with flowing industrial frequency current (cables) or ECP (pipes);

  • Scales of “maximum” and “minimum”;
  • Location depths and communication current strength at all active frequencies;
  • Signal polarity –   at the point of insulation damage, the sign “+” changes to “-”;
  • Current direction function (from the generator/to the generator), to prevent accidental switching to “foreign” communication;
  • Sharp maximum mode.

In the “PROBE” mode, it searches for the position of transmitting probes and television inspection cameras that have an autonomous transmitter during in-line inspection.

Recording in the memory of the PT-24 receiver:

  • signal level from magnetic antennas and at the “SENSOR” input;
  • directions to communication;
  • indications of the depth of the communication and the magnitude of the current in it;
  • direction of search current;
  • relative polarity of the potential difference at the “SENSOR” input;
  • signal phases at the “TRADE” input;
  • operating frequencies;
  • local date and time at the time the readings were taken using GPS information;
  • coordinates of the location where readings were taken according to GPS information.


Technical characteristics of the PT-24 receiver

Active frequencies*, Hz 273, 526, 1024,8928, 32768
Passive frequencies, Hz 50 (POWER), 100, 300, 550, 1450 “RADIO”, “Ether”
Bandwidth for RADIO mode 10 kHz to 36 kHz
Bandwidth for the “On-Air” mode 48 Hz to 10 kHz
Error in reading the depth of the route, %, no more 5
Memory 10,000 points
Overall dimensions, mm, no more 700x300x140
Weight, kg, no more 1.9
Operating temperature range, °C from -30 to +55



GT-15 generator

GT-15 generator with accessories.png


  • The frequency of 33 kHz ensures effective detection of communications when sending a contactless signal from the GT-15 generator;
  • simultaneous supply of two frequencies;
  • indication of the output current value;
  • voltage, power, load resistance allows you to judge the quality of the connection to the route and estimate the possible range of communications routing;
  • two operating modes – continuous and pulsed generation to save battery power;
  • automatic matching of the generator with the load.


Technical characteristics of the GT-15 generator

Operating frequencies*, Hz 273, 1024,8928, 32768
Output power adjustment range at load from 0.5 to 600 Ohm, W from 1 to 10
Current consumed from the DC source, A no more than 1.8
Overall dimensions, mm, no more 210x130x100
Operating temperature range, °C from -30 to +55
Weight, kg, no more 2.5


Locator Stalker 15-24 in Uzbekistan, Tashkent

General features of the locator “Stalker 15-24”:

  • Compass function – a schematic display of two communications on the receiver display;
  • Search for the position of transmitting probes and television inspection cameras
  • GPS – removal of underground routes with subsequent overlay on the map;
  • Ability to use a smartphone instead of an external GPS/GLONASS module;
  • Wireless connection with PC (Bluetooth);
  • RADIO frequency (passive) for searching a route without a generator;
  • Frequency 33 kHz for contactless supply of the generator signal to the cable;
  • Search for damage using “phase”, contact and non-contact methods;
  • Selection of cores in the cable and identification of the cable in the bundle using a mini sensor MD-01;
  • Contactless transmission of a search signal using transmitting clamps KI-50 or KI-100;
  • Search for communications at a depth of up to 10 m and a distance of up to 10 km from the generator connection point;
  • Lightweight and compact generator GT-15. This generator is included in the set of Stalker defect detection systems: 15-14, 15-04, 15-02M;
  • PT-24 receiver menu in Russian, English and Chinese.

The Locator Stalker 15-24 is a ground penetrating radar (GPR) system manufactured by Stalker Radar, a company specializing in radar-based technology solutions. While there is no specific information available on the Stalker 15-24 model, typically, GPR systems like this are used for subsurface imaging, allowing users to detect and map buried objects, utilities, and geological features. Here’s a general overview of ground penetrating radar technology and its applications:

  1. Principle of Operation: Ground penetrating radar systems operate by emitting electromagnetic pulses into the ground and analyzing the reflections (echoes) that bounce back from subsurface features. The time it takes for the signal to return and the strength of the return signal provide information about the depth, size, and composition of underground objects.
  2. Subsurface Imaging: GPR systems like the Locator Stalker 15-24 are used for subsurface imaging, allowing users to visualize underground features without the need for excavation. Common applications include utility locating, archaeological surveys, geological mapping, environmental studies, and concrete inspection.
  3. Detection Capabilities: GPR systems can detect a wide range of subsurface features, including buried utilities (such as pipes, cables, and conduits), voids, foundations, geological strata, and archaeological artifacts. The system’s ability to detect these features depends on factors such as the material composition, size, and depth of the objects.
  4. Data Interpretation: The data collected by the GPR system is typically displayed in real-time on a monitor or recorded for later analysis. Users interpret the data by identifying patterns, anomalies, and signatures that correspond to specific subsurface features. Advanced signal processing techniques may be used to enhance data quality and extract valuable information from the radar data.
  5. Field Deployment: GPR systems are typically deployed in the field using handheld or cart-mounted devices. The equipment is maneuvered over the survey area, and radar data is collected along transects or grids to ensure comprehensive coverage of the site.
  6. Depth and Resolution: The depth and resolution capabilities of GPR systems vary depending on factors such as the system’s frequency, antenna configuration, and soil conditions. Higher frequencies provide better resolution but limited penetration depth, while lower frequencies offer deeper penetration but lower resolution.
  7. Data Interpretation Software: Many GPR systems come with dedicated software for data interpretation, processing, and visualization. These software packages allow users to analyze radar data, generate 3D images, and create detailed subsurface maps for further analysis and reporting.

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