Use of space time code concatenated with BCH (Bose volatile equipment, which needs constant proactive Choudhari Hocquenghem) code is analyzed for performance in monitoring to ensure that potential problems are identified and powerline channel with impulse noise. Performance of BCHhandled at the earliest stage. Generally, station bus is used to Space time code is worked in this paper for application of connect all equipments inside the substation. Many sensor narrowband power line communication. BCH code (63, 36) with technologies are available to monitor the myriad equipment t=5 is designed and implemented in TMS320C6713 Digital Signal Processor, which is interfaced with Matlab version 7.4, where located within a substation. The challenge lies in transferring power line channel and impulse noise are simulated. These the data collected by the sensor from the transformer cost results are compared with Turbo coded OFDM scheme for effectively and efficiently back to the control house, or powerline channel. From the results, reduction in carrier power regional control center without compromising security, speed requirement is found for BCH Space time code. Space time code or reliability. has now become popular in wireless communication, as Advances in powerline communications (PLC) technology application in multipath channel. Since power line can provide provide an important new option, enabling a cost-effective, different uncorrelated paths to realize multipaths effect, it is reliable and above all, real time remote monitoring platform to possible to apply space time code for powerline channel. In this ensure that substation equipment is kept at the optimum paper, powerline is modelled as a multipath channel and impulse noise as Middleton class-A noise, on Matlab 7.4 platform. The performance levels. BCH code of n=63, k=36, t=5, is designed and tested in a Digital Run ning hard wire cables out to the transformers to read Signal Processor (DSP) TMS320C6713. Interfacing is done using monitoring equipment is difficult to accomplish due to JTAG from processor to Matlab where power line, impulse noise underground high voltage wiring. With a substation's field and space time code are simulated. The performance of the consisting of gravel and concrete, trenching is also extremely system as communication system for narrowband PLC is tested expensive and time-consuming. Where a suitable right-of-way for different channel and noise conditions. The results are used between the control house and remote sensors exists, the fiber to find SNR requirement at a Pe (Probability of error) of the plus the required SCADA and media converters are cost order of 10-5 and for carrier signal strength to be within EMI prohibitive. The magnetic and electrical fields, along with the (Electro Magnetic Interference) and EMC(Electro Magnetic compatibility) limits. Use of a BCH code with more better error high voltage equipment, can interfere with wireless signals, correcting capacity, will further reduce the SNR requirement, resulting in unknown si...