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100kW EIRP Complete FM Broadcasting Package
How Far Will 100kW Reach?
This is about as big as it gets, there are not many systems bigger than this and even if there are, it's pretty difficult to exceed the 200km distance with any amount of power due to the earths curvature. With the antennas mounted on a high mast on high ground we have had reports from clients saying they have received calls from listeners up to 200km away. Admittedly, this distance is the extreme limit of 100kW, but is absolutely possible. Normal reception would be about half this at 100km when you take the average signal, terrain etc. into account. But remember, power is not always about distance, power is sometimes required to penetrate the dense construction in some cities with tall concrete and steel buildings. Some of the large mega stations in the US use this power level, in the Los Angeles alone KBIG, KLOS and KTWV use this power level.
8kW FM Transmitter Power
To achieve 100kW EIRP only 8kW of transmitter power is needed if the correct antenna is installed with high grade coaxial cable. The 8kW of transmitter power comes from 8 separate 1kW amplifiers that are driven by a distribution amplifier and Veronica® 1W PLL driver. All our big systems above 10kW EIRP are configured this way using more than just a single 1kW amplifier. Due to this a complete shutdown or signal failure can only occur if the 8 amplifiers (1kW each) go down at exactly the same time, this is nearly impossible with super high odds. So if you need system reliability and a station on air, always, with no breakdowns, 8 or more if possible, 1kW amplifiers are perfect.
+12dBi Gain, Eight Antennas
This is where the magic happens, this huge eight way antenna transforms the transmitter power by 10 times to 8000W and this is even after taking the cable losses into account. This transformed signal is effective radiation, what it means is that if you stand at the horizon many miles away, the signal voltage with this eight way antenna will be exactly the same and indistinguishable from the signal voltage of a 8000W transmitter using just one dipole antenna. The power is effectively identical, hence the name Effective Isotropic Radiated Power (EIRP).
RDS Option
If you want to see your station name and more scrolling across the car radio display add the RDS Option, 'Add To Cart' rds-upgrade in the price panel.
This RDS Option is not just ordinary RDS, it is fully programmable dynamic RDS. This means the transmitter can be connected to a PC by a USB cable. The transmitters RDS circuit will pick the Artist and Song name from any folder on the PC disk drive. This folder is easy to set up in the DJ playout software, like Zara Studio etc. Detailed information HERE.
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Do You Have A Question?
Package Contents
| Qty | Description | Item |
| 1 | FM Stereo Driver with Audio Processing |  |
| 1 | Distribution Splitter Amplifier |  |
| 8 | 1000W FM Power Amplifier |  |
| 8 | LMR600 40m /131ft Cables |  |
| 1 | All Other Connecting Cables |  |
| 8 | Broadband High Power Folded Dipole Antenna with Tower Mounting Clamps |  |
|
LIMITED WARRANTY |
40 Metre (130 Feet) Antenna Cable
The 40mt of LMR600 cable supplied with this system is robust yet flexible making installation much easier. If you prefer the more rigid type, that's okay, just let us know and we will change the system to that. LMR600 has a very high specification with just over a fraction of 1dB loss for 40mt at 100MHz. In addition, if 40mt is not sufficient in length, just let us know and for a small additional cost we will quote for the extra length.
100kW Maximum Range Chart
This graph is based on average customer reports in some directions. Basically this shows the typical ranges really ever recorded. Most of the reports were radio station listeners that phoned, texted, WhatsApp etc. into the radio station programs operated by our customers. Range is very difficult to predict as there are many factors that effect it. More info on FM Transmission Range
FM Stereo Audio and Processing
The FM signal starts in the internal Veronica PLL which produces the super low noise and highly stable FM signal. You can find more info on this at in our 1W Exciter (PLL driver). Then the internal stereo coder and audio processor boards provide a loud and crisp audio signal on the listeners radio. If your more of an expert, you can if you want use an external processor such as Orban, Inovonics or PC generated MPX/RDS, the limiter and stereo coder we supply can be completely disabled.
Declaration of Conformity
European Union
We hereby declare that this equipment complies with;
• ETS 300384 European Telecommunications Harmonised Standard when used with an audio compressor limiter supplied and tested by Aareff
• EN 301489-11 V1.3.1 (2006-05) EMC Electromagnetic Compatibility when used with 1 meter AC mains cord supplied. If the installation engineer needs to extend this cord, this and the audio input cable should be no more than 3 meters in length to remain in compliance with EMC directive.
• 2006/95/EC Directive (2006-12) LVD Low Voltage Directive.
Equipment compliance is possible using equipment from and in conjunction from other manufacturers, but since this is beyond the control of Aareff Systems, Aareff Systems cannot or be expected to guarantee compliance in this situation.
United States
The following list are the FCC technical requirements for FM broadcasting. We confirm and verify that this transmitter complies with the technical requirements.
47 CFR Chapter I Federal Communications Commission sections:
• 73.1560, 2.1046 RF Power
• 73.1545, 2.1055 Frequency Stability
• 73.317, 2.1049 (e)(3) Emission Limitation, Emission Mask
• 73.317, 2.1057, 2.1051 Emission Limits, Spurious Emissions at Antenna Terminal
• 73.317, 2.1057, 2.1053 Emission Limits, Field Strength of Spurious Emissions
