Αποτελέσματα Αναζήτησης
11 Ιουλ 2024 · VHF/UHF Aeronautical Radionavigation. NTIA Manual Chapter 4 Section 4.3.5 contains a table of all channels for: VOR 108-118 MHz; DME and TACAN 962-1213 MHz; ILS Localizer 108.1-111.95 MHz; ILS Glide Slope 329.15-334.85 MHz; See: Instrument Landing System (ILS) Frequencies; Additional Information
- Common Public Safety
VTAC17 and VTAC17D are VHF marine band channels and their...
- Offset
Conventional and trunked repeaters between 935-940 MHz have...
- Common Public Safety
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2 Μαΐ 2024 · VTAC17 and VTAC17D are VHF marine band channels and their use is limited to certain counties in inland VHF Public Coast Station Areas (VPCSA) 10 through 42. The NIFOG contains a list of counties where operation is allowed.
15 Δεκ 2023 · Please refer to the wiki article for notes regarding the use of CTCSS tones on Low Band, VHF, UHF, and 800 Public Safety Common frequencies. Frequencies used commonly are also listed in the "public safety" categories.
23 Μαρ 2023 · Conventional and trunked repeaters between 935-940 MHz have a -39 MHz offset. There are other paired channels (paging, PCS and Part 101 microwave) with different offsets in the 896-960 MHz band, and unpaired channels. Related Wiki Articles. 220-222 MHz Band Plan; 700 MHz Public Safety Band Plan; 900 MHz LMR Band Plan; Amateur Radio
9 Μαρ 2022 · Public Safety. UHF/VHF Bands. The UHF/VHF bands were the first designated public safety bands. The Commission licenses the frequencies in these bands on a site-by-site basis, using frequency coordination to maximize frequency re-use.
P25 Phase 1 published standards define public safety radio communications in 12.5 kHz channels. FCC rulings in the VHF and UHF frequency bands require more spectral efficiency through the use of narrower radio channels, i.e. 12.5 kHz, by 2013.
