REC Application ID: 1794218 (eLMS)
Record Type: FM Translator
Application Purpose: Modification
Expiration Date: 04/01/2022
FRN: 0004974820
Community of license: MEDFORD, MA
Channel: 251D (98.1)
NAD83 Coordinates: 42 25' 52.3" N / 71 5' 17.2" W
Antenna Structure Registration Number: 1003922
REC measured distance to Canada: 290.8 km - bearing 353.3
Elevation: 57 m AMSL
| Effective Radiated Power (kW) | 0.148 | 0.148 | | Maximum Effective Radiated Power: (kW) | 0 | 0 | | Radiation center above average terrain | 0 m | 0 m | | Radiation center-height above ground: | 99 m | 99 m | | Radiation center-above mean sea level: | 156 m | 156 m | Overall antenna height above ground: 109 m
REC Translator Subclass: D5
Under current rules, this translator may be considered as having a service contour of 7.3km to 13.3km in respect of protection by LPFM stations.
Directional Antenna:
| Rad |
Field |
dB |
ERP |
Rad |
Field |
dB |
ERP |
Rad |
Field |
dB |
ERP |
| 0 | 0.145 | -16.8 | 0.003 |
120 | 0.566 | -4.9 | 0.047 |
240 | 0.152 | -16.4 | 0.003 |
| 10 | 0.137 | -17.3 | 0.003 |
130 | 0.370 | -8.6 | 0.020 |
250 | 0.176 | -15.1 | 0.005 |
| 20 | 0.173 | -15.2 | 0.004 |
140 | 0.215 | -13.4 | 0.007 |
260 | 0.189 | -14.5 | 0.005 |
| 30 | 0.299 | -10.5 | 0.013 |
150 | 0.139 | -17.1 | 0.003 |
270 | 0.178 | -15.0 | 0.005 |
| 40 | 0.484 | -6.3 | 0.035 |
160 | 0.139 | -17.1 | 0.003 |
280 | 0.162 | -15.8 | 0.004 |
| 50 | 0.678 | -3.4 | 0.068 |
170 | 0.156 | -16.1 | 0.004 |
290 | 0.139 | -17.1 | 0.003 |
| 60 | 0.831 | -1.6 | 0.102 |
180 | 0.175 | -15.1 | 0.005 |
300 | 0.125 | -18.1 | 0.002 |
| 70 | 0.935 | -0.6 | 0.129 |
190 | 0.187 | -14.6 | 0.005 |
310 | 0.132 | -17.6 | 0.003 |
| 80 | 0.992 | -0.1 | 0.146 |
200 | 0.174 | -15.2 | 0.004 |
320 | 0.163 | -15.8 | 0.004 |
| 90 | 0.961 | -0.3 | 0.137 |
210 | 0.145 | -16.8 | 0.003 |
330 | 0.184 | -14.7 | 0.005 |
| 100 | 0.879 | -1.1 | 0.114 |
220 | 0.124 | -18.1 | 0.002 |
340 | 0.183 | -14.8 | 0.005 |
| 110 | 0.745 | -2.6 | 0.082 |
230 | 0.132 | -17.6 | 0.003 |
350 | 0.164 | -15.7 | 0.004 |
| Additional Azimuths: |
| Rad |
Field |
dB |
ERP |
Rad |
Field |
dB |
ERP |
Rad |
Field |
dB |
ERP |
| 82 | 1.000 | 0.0 |
Public Notice Comments: Minor change in licensed facilities, callsign W251CR. Permit Cancelled
|
| Date |
File # |
Primary Station |
Method |
| 2018-01-23 |
20170731ADR |
DDWZBR |
DEDHAM MA |
Other |
| 2018-01-23 |
20171219AAA |
DDWZBR |
DEDHAM MA |
Other |
| 2018-09-04 |
BLFT-20180904ABK |
DDWZBR |
DEDHAM MA |
Other |
| 2018-09-28 |
20180904ABK |
DDWZBR |
DEDHAM MA |
Other |
| 2018-12-28 |
20181126AAU |
DDWZBR |
DEDHAM MA |
Other |
| 2022-03-23 |
0000163723 |
DDWZBR |
DEDHAM MA |
|
|
|
