MARC Repeater Characteristics
| 146.955 Repeater |
| Location |
Rockville |
Maryland |
| Repeater Trustee |
KZ3F |
Jeff |
| Frequency Pair |
146.955 |
146.355 |
| Coordinated ERP |
400 Watts |
Omnidirectional |
| Actual ERP |
200 Watts |
Omnidirectional |
| Main Antenna Height |
760' HASL |
360' HAAT |
| Repeater |
ACS |
KRP-5000 VHF |
| Controller |
CatAuto |
CAT-1000 |
| RF Amplifier |
ACS |
100 watts |
| Duplexer |
Wacom |
WP-643, 6-can |
| Voter |
ACS |
8 Channel |
| Main Feedline |
Andrew |
LDF4-50, 60' |
| Antenna |
DB-224E |
6dB Omnidirectional |
| Emergency Power |
Yes |
Generator |
| Battery Backup |
Available |
900 AH Absolyte |
| Solar Recharging |
Available |
115W SunWise Panel |
| Courtesy Tone |
0.75 Hz dev |
800 Hz, 200 ms |
| Digital Voice |
3.50 kHz dev |
TSP53C30 |
| Audio Passband |
300-3500 Hz |
5-Pole RC filter |
| TX Audio Limit |
5.0 kHz Max |
Hard limited, filtered |
| PL/CTCSS |
None |
Pass PL=Yes |
| Kerchunk Filter |
100 ms |
Noise burst immunity |
| 442.750 Repeater |
| Location |
Rockville |
Maryland |
| Repeater Trustee |
KZ3F |
Jeff |
| Frequency Pair |
442.750 |
447.750 PL156.7 |
| Coordinated ERP |
400 Watts |
Omnidirectional |
| Actual ERP |
400 Watts |
Omnidirectional |
| Main Antenna Height |
760' HASL |
360' HAAT |
| Repeater |
ACS |
KRP-5000 UHF |
| Controller |
CatAuto |
CAT-1000 |
| RF Amplifier |
Mirage |
Modified |
| Duplexer |
TX/RX |
28-70-02, 4-can |
| Feedline |
Andrew |
LDF4-50, 60' |
| Antenna |
Diamond |
X510 HNA |
| Courtesy Tone |
0.75 kHz dev |
900 Hz, 200 ms |
| Digital Voice |
3.5 kHz dev |
TSP53C30 |
| Audio Passband |
300-3500 Hz |
5-Pole RC filter |
| TX Audio Limit |
5.0 kHz Max |
Hard limited, filtered |
| PL/CTCSS |
156.7 (5A) |
Pass PL=No |
| Kerchunck Filter |
100 ms |
Noise burst immunity |
| 53.270 Repeater |
| Location |
Germantown |
Marlyand |
| Repeater Trustee |
KZ3F |
Jeff |
| Frequency Pair |
53.270 |
52.270 |
| Coordinated ERP |
400 Watts |
Omnidirectional |
| Actual ERP |
50 Watts |
Omnidirectional |
| Main Antenna Height |
660' HASL |
180' HAAT |
| Repeater |
Motorola |
Mitrek T81 Series |
| Controller |
Midians |
RM-1 |
| Duplexer |
Telewave |
TPRD-0454 |
| Feedline |
Andrew |
LDF5-50, 200' nominal |
| Antenna |
Andrew |
DB-201E, Unity Gain |
| Emergency Power |
Yes |
Battery + AC Charger |
| Battery Backup |
6-cell |
900 AH Absolyte 13.4V |
| Courtesy Tone |
0.75 kHz dev |
800 Hz, 100 ms |
| Audio Passband |
300-3500 Hz |
RC filter |
| TX Audio Limit |
5.0 kHz Max |
Hard limited, filtered |
| PL/CTCSS |
None |
Pass PL=Yes |
| Kerchunck Filter |
200 ms |
Noise burst immunity |
Updated: 1 Oct 2006
