Frequency
17 MHz
Range
1–30 MHz
Band Group
HF (<30 MHz)
🌐 Summary
17 MHz: Maritime, aeronautical, amateur, broadcast (varies); Fixed, Mobile; Handheld radios, vehicle radios, dispatch equipment
Near the 16‑meter SW broadcast band (≈17.48–17.9 MHz), used seasonally for long‑range international broadcasting.
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📡 Band & Geometry key
Field | Value |
---|---|
Wavelength (m) | 17.647 |
Waveforms | AM, SSB, CW |
Antenna Form Factor (Typical) | ¼-wave ≈ 441 cm |
Band Family | Other |
Band | HF / MF Band |
Primary Common Name | 17 MHz Allocation |
FSPL @ 1 km [dB] | 57.048978427566 |
FSPL @ 10 km [dB] | 77.048978427566 |
Fresnel Radius @ 1 km (m) | 66.419168034182 |
Band Group | HF (<30 MHz) |
Tax Band Family | HF |
Tax Band Class | HF (3–30 MHz) |
🧩 Applications & Usage
Field | Value |
---|---|
Primary Application | Maritime, aeronautical, amateur, broadcast (varies) |
Lower Neighbor Use | Regional variation |
Upper Neighbor Use | Land mobile / Fixed (VHF low) |
Typical Services Devices | – |
Market Common Devices | Handheld radios, vehicle radios, dispatch equipment |
Refarming Use | No |
Device Ecosystem Size | Low (<100 models) |
Device Hotspots (MHz) | 17 |
Device Category | Specialized Industrial / Scientific Equipment |
Typical Use Cases | – |
Modulation (Device) | Varies by device |
Channel Width (Device) [kHz] | Varies |
Device Region Profiles | Varies by country / allocation |
Per-Region EIRP Or Duty (Device) | Varies by regulation |
Allocation Relevance (Device) | Medium |
Adjacent-Band Collision Risks (Device) | Low–Moderate |
Example Devices Or Skus | Specialized Industrial / Scientific Equipment |
Common Protocols | VHF AM Voice (8.33 kHz); VDL Mode 2 (select freqs); Analog FM (12.5 kHz); DMR; P25 (region); TETRA (region); Marine VHF Voice; DSC (CH70); AIS (162 MHz); Amateur (various modes) |
🗒️ Notes
Field | Value |
---|---|
Receiver Selectivity Notes | ≥40 dB @ ±2.4 kHz |
Interference Notes | – |
Compatibility Risk Notes | – |
Notes | Near the 16‑meter SW broadcast band (≈17.48–17.9 MHz), used seasonally for long‑range international broadcasting. |
Propagation Notes | Strong coverage, good indoor penetration |
⚙️ Technical Rules
Field | Value |
---|---|
Lower Band Frequency Limit | 1 |
Upper Band Frequency Limit | 30 |
EIRP Indoor Limits | N/A (licensed; verify national rules) |
EIRP Outdoor Limits | N/A (licensed; verify national rules) |
PSD Limit | — |
Emission Mask Class | HF narrowband/SSB |
Guardband Minimum [kHz] | 50 |
Typical Bandwidths | 12.5, 25 kHz |
Autocalculated Bandlimits | No |
Typical Bandwidths (Estimated) | 12.5, 25 kHz |
Max EIRP [dBm] | Varies by regulation |
Power Source Or Duty Profile (Typical) | – |
Channelization Plan | – |
Channelization | AM, SSB, CW |
Guard Band Requirement | – |
OOB Emission Limit [dBm/MHz] | -13 (baseline) |
Spurious Emission Limit (dBm) | -30 (baseline) |
RX Blocking Min [dBm] | -15 (planning) |
Duplexing | Half-duplex |
Duplexing Information | Half-duplex: push-to-talk / single-frequency |
Uplink Pairing | – |
Downlink Pairing | – |
Paired Band Info | – |
Max EIRP [dBm] | – |
Channelization Block Size | – |
3GPP Band Number | |
Example 3GPP Bands | – |
LTE Uplink Bands | – |
LTE Downlink Bands | – |
NR Uplink Bands | – |
NR Downlink Bands | – |
Guard Bands | – |
Protocol Or Standard | – |
🌎 Country Overrides
Field | Value |
---|---|
Post Status | publish |
Tax Service Category | Other / Various |
Tax License Type | Licensed / Service-Specific |
Tax Regions | Global / Varies |
ITU Region 1 | Fixed, Mobile |
ITU Region 2 | Fixed, Mobile |
ITU Region 3 | Fixed, Mobile |
License Type | Land mobile / Fixed service (licensed, often public safety/commercial) |
Primary Application | Maritime, aeronautical, amateur, broadcast (varies) |
Primary Services | Fixed, Mobile |
Spurious Emission [dBm] | -30 (baseline) |
Lower Neighbor Use | Regional variation |
Upper Neighbor Use | Land mobile / Fixed (VHF low) |
Licensing Model | – |
Typical Services Devices | – |
US FCC Alloc | -– |
CA IC Alloc | -– |
UK Ofcom Alloc | -– |
US Ref | – |
Typical Bandwidths | 12.5, 25 kHz |
Market Licensing Model | Government / Public Safety |
Market Common Devices | Handheld radios, vehicle radios, dispatch equipment |
Fresnel Radius (1st, 1 km) [m] | 66.419168034182 |
Typical Bandwidths (Estimated) | 12.5, 25 kHz |
Auction Status | Assigned |
Refarming Use | No |
Typical Site Spacing km | – / – |
Device Ecosystem Size | Low (<100 models) |
Traffic Load Share | Coverage-heavy, low capacity share |
Device Hotspots (MHz) | 17 |
Device Category | Specialized Industrial / Scientific Equipment |
Typical Use Cases | – |
Typical Center Frequencies [MHz] | – |
Rule Part (Fcc Or Region) | – |
Modulation (Device) | Varies by device |
Channel Width (Device) [kHz] | Varies |
Device Region Profiles | Varies by country / allocation |
Per-Region EIRP Or Duty (Device) | Varies by regulation |
Allocation Relevance (Device) | Medium |
Adjacent-Band Collision Risks (Device) | Low–Moderate |
Example Devices Or Skus | Specialized Industrial / Scientific Equipment |
Antenna Form Factor (Typical) | ¼-wave ≈ 441 cm |
Power Source Or Duty Profile (Typical) | – |
🛡️ Regulatory & Neighbors
Field | Value |
---|---|
Lower Band Frequency Limit | 1 |
Upper Band Frequency Limit | 30 |
Rx Blocking Min dBm | -15 (planning) |
Lower Neighbor Use | Regional variation |
Upper Neighbor Use | Land mobile / Fixed (VHF low) |
Lower Neighbor Band | – |
Lower Neighbor Range | – |
Upper Neighbor Label | Land mobile / Fixed (VHF low) |
Upper Neighbor Range | 31.000–49.000 MHz |
Adjacent-Band Collision Risks (Device) | Low–Moderate |
Real-World Range (Indoor/Outdoor) | – |
US FCC Alloc | — |
CA IC Alloc | — |
UK Ofcom Alloc | — |
Regulatory References | US: -; CA: -; UK: – |
Global Harmonization | Regional |
Crossborder Coordination | High |
Sharing Mechanism | – |
Auction Status | Assigned |
Guard Or Pair | – |
📈 Market & Measurements
Field | Value |
---|---|
Noise Floor | High atmospheric noise in HF |
Interference Cases | Atmospheric & man‑made |
Lower Neighbor Range | – |
Upper Neighbor Range | 31.000–49.000 MHz |
Interference Notes | – |
Market Licensing Model | Government / Public Safety |
Market Commercial Value | Low |
Market Common Devices | Handheld radios, vehicle radios, dispatch equipment |
Market Deployment Density | Medium |
Noise Floor (Estimated) | High atmospheric noise in HF |
Market Commercial Value (Estimated) | Low |
Ecosystem Maturity | Emerging |
Indoor Penetration | Good |
Known Interference | No major interference issues noted |
Device Ecosystem Size | Low (<100 models) |
Real-World Range (Indoor/Outdoor) | – |
Antenna Form Factor (Typical) | ¼-wave ≈ 441 cm |
Ecosystem Maturity | Emerging |
Device Ecosystem Size | Low (<100 models) |
Chipset Availability | Ham radio equipment vendors |
Operator Deployments | Individual operators worldwide |
Technology Generations Deployed | Amateur voice/data modes |
Roaming Support | No |
Traffic Load Share | Coverage-heavy, low capacity share |
Indoor Penetration | Good |
Known Interference | No major interference issues noted |
Occupancy | Varies by region/time |
Occupancy Bucket Pct | 10–30% |
Latency Profile | – |
Common Channels Or Profiles | – |
Security Features | – |
Lbt Or Fhss Requirement | – |
Popularity (Installed Base) | – |
Coexistence Tips | – |
Latency Class | – |
Device Hotspots (Scoped && Tagged) | – |