Notes And Special Features
What follows is a discussion of some of the specialized features used in repeater listings in the ARRL Directory.
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| LOCATION | The city/town where the repeater is located, a pound sign (#) following indicates the repeater is uncoordinated by the coordination council. |
| OUTPUT | The output frequency in megahertz. |
| INPUT | The frequency offset (difference between input and output frequencies). Either a (+) or (-). A frequency printed in the input field indicates a "non-standard" offset. |
| STANDARD OFFSETS BY BAND |
29 MHz - 100 kHz
52 MHz - VARIOUS 144 MHz - 600 kHz 220 MHz - 1.6 MHz 440 MHz - 5 MHz 902 MHz - 12 MHz 1240 MHz - 12 MHz |
| CALL | The call sign of the repeater. |
| NOTES | How the repeater may be accessed and other specialized features are indicated by the following abbreviations: |
| NOTES | SPECIALIZED FEATURES |
|
o - Open system usually carrier operated
Bi - Bi-lingual system c - Closed, limited access system d - Demonstration LiTZ - (Ltz) Long - Tone Zero. Used to alert users to an emergency in some areas of the country. t - Tone access (CTCSS) required to access the system tt - Touch-Tone® access to specialized features RB - Remote Base SNP - Shared Non - Protected pair Echolink # - Echolink repeater (include node #) IRLP # - IRLP repeater (include node #) APRS - APRS digipeater xband - crossband system sim - simulcast ATV - Amateur Television SSTV - Slow Scan Televsion |
a - Autopatch
(ca) - Closed Autopatch (ea) - Emergency Autopatch e - emergency power e-sun - solar power e-wind - wind power l - linked p - portable system pkt - digital/packet capability R - RACES affiliated S - ARES affiliated x - wide area coverage system y - RTTY/ASCII system z - direct access to law enforcement Wx - weather net/weather usage Exp - experimental system |
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