In accordance with FCC OET Bulletin 65 Supplement B this station meets or exceeds the safety requirements set forth by the FCC in regards to RF Radiation Exposure for both controlled and uncontrolled environments.
The following RF Calculations are posted for your review at anytime in the station log book.
Should you have any questions regarding exposure please contact the station control operator or the ARRL RF Safety Site
RF Calculations
Radio Type
Kenwood TMA-271A
Antenna Type
Hustler 5/8 wave Mag Mount
Transmission Line Type
RG-213
Transmission Line Length
15 feet
Max PEP
60w
PEP at antenna minus line loss
54w
Frequency
148.000 mhz / 2m Band
Ground Effect Included
Yes
Antenna Gain
3.4 dBi
Estimated feet from antenna to meet FCC MPE standards for safe RF exposure
CONTROLLED ENVIRONMENT UNCONTROLLED ENVIRONMENT
SSB w/o Processor (20% Duty Cycle)
2.3
5.1
CW & SSB w/ Proccesor (40% Duty Cycle)
3.2
7.2
FM/FSK/RTTY/AFSK/SSTV (100% Duty Cycle)
5.1
11.4
Worst Case (w/o line attenuation)
5.4
12.0
Power Density
0.13 mw/cm2
@ 15ft (for persons outdoors)
0.45 mw/cm2
@ 8ft (for persons indoors / exposure may be reduced do to roof)
Maximum Exposure Limit
1.00 mw/cm2
Controlled Environment
0.20 mw/cm2
Uncontrolled Environment
All calculations are based on the worst case scenario and are calculated using various computer modeling programs.
AS ALWAYS WHEN VISITING THIS STATION PLEASE FOLLOW ALL INSTRUCTIONS, AS THEY ARE DESIGNED FOR YOUR SAFETY
