airscatter-kst

{{ me ? me.call : 'connecting…' }}

{{ freqMhz }} MHz {{ rosterArr.length }} ops {{ aircraft.length }} aircraft 📍 {{ me.precise ? me.lat.toFixed(4)+','+me.lon.toFixed(4) : me.locator }}

max km active ⚙ station & band

{{ fold.opps?'▸':'▾' }}QSO opportunities {{ opportunities.length }} {{ alertOn ? '🔔 alerts on' : '🔕 alerts off' }}

No aircraft-scatter windows to any station right now.

{{ o.eta_s>0 ? '+'+fmtEta(o.eta_s) : 'NOW' }}

{{ o.call }} {{ (o.score*100).toFixed(0) }}%

{{ o.locator }} · {{ o.path_km.toFixed(0) }} km · via {{ o.plane }} · Δf {{ o.doppler_hz>=0?'+':'' }}{{ Math.round(o.doppler_hz) }} Hz

{{ fold.partner?'▸':'▾' }}{{ partner }} {{ partnerLoc }}💬 chat

potential over next 15 min

{{ terrain.obstructed ? '⛰ terrain blocks low angles' : '✓ low horizon both ends' }} · max {{ terrain.max_terrain_m }} m · horizon {{ terrain.horizon_me_deg }}°/{{ terrain.horizon_partner_deg }}°

⌖ Best moment {{ bestMoment.eta_s>0 ? 'in +'+fmtEta(bestMoment.eta_s) : 'now' }}: {{ (bestMoment.peak_score*100).toFixed(0) }}% via {{ bestMoment.callsign||bestMoment.hex }} · {{ Math.abs(bestMoment.peak_cross_km)<5 ? 'right on the path' : Math.abs(bestMoment.peak_cross_km)+' km off path' }} at peak

📡 Point your antenna at {{ Math.round(bestNow.az_tx_deg) }}° az, {{ bestNow.el_tx_deg.toFixed(0) }}° el (at {{ bestNow.callsign||bestNow.hex }}, not {{ partner }})

◌ ringed planes are your scatter candidates; amber = coming — the dashed track shows where it'll be when it bridges you.

No aircraft in the forward-scatter corridor.

{{ c.callsign || c.hex }} {{ (c.score*100).toFixed(0) }}% ↑{{ (c.peak_score*100).toFixed(0) }}% +{{ fmtEta(c.eta_s) }}

✈ {{ c.type_code || c.size_class }} · {{ c.size_class }} ⏱ {{ fmtEta(Math.round(c.window_s)) }} window {{ Math.round(c.alt_ft||0).toLocaleString() }} ft Δf {{ c.doppler_hz>=0?'+':'' }}{{ Math.round(c.doppler_hz) }} Hz off {{ Math.abs(c.cross_track_km).toFixed(0) }} km 📡 {{ Math.round(c.az_tx_deg) }}° el {{ c.el_tx_deg.toFixed(0) }}°

{{ fold.roster?'▸':'▾' }}On {{ freqMhz }} MHz {{ rosterArr.length }}

{{ isWatched(o.call)?'★':'☆' }} {{ o.call }} {{ o.locator }}{{ o.name }} 💬

{{ connected ? 'live' : 'reconnecting…' }} · {{ sourcesText }}

only about me {{ chatShown.length }} messages click a callsign to set it as your scatter partner

{{ m.time?.slice(11,16) }} {{ m.call }} {{ m.public?'':'→'+m.dest }} {{ m.text }}

{{ partner }} partner {{ c }} ✕ Star a station (☆) in the roster to watch it here. Messages addressed to you also show up.

{{ m.time?.slice(11,16) }} {{ m.call }} {{ m.public?'':'→'+m.dest }} {{ m.text }}

No messages from your watched stations yet.

Connection (web build)

Proxy URL

Callsign

KST password

Chat

Latitude

Longitude

{{ connected ? 'connected' : (connError || 'enter your ON4KST credentials + proxy, then Connect') }}

Your KST password travels in clear over telnet - use a dedicated ON4KST password. Stored only in this browser.

My station

Callsign{{ me ? me.call : '—' }}

Exact location

Ground ASL (m)

Antenna AGL (m)

now {{ me.lat.toFixed(4) }}, {{ me.lon.toFixed(4) }} · antenna {{ me.height_m }} m ASL

Geometry & Doppler are sensitive to your exact spot. Leave location blank + Apply to change only the heights.

Band — scatter calculation

Frequency in use: {{ freqMhz }} MHz

Sets the wavelength used for Doppler & path-loss. The KST chat lounge itself is set in config.toml.

Alerts

sound + desktop notification

Trigger at% score, 5 min cooldown

ADS-B sources

{{ s }}{{ n }} aircraft

waiting for first poll…

{{ d.call }} {{ rosterArr.find(o=>o.call===d.call)?.locator || '' }} ✕

{{ m.time?.slice(11,16) }}{{ m.call }}{{ m.public?'':' →'+m.dest }}: {{ m.text }}

No messages with {{ d.call }} yet - type below to call them (sends /CQ {{ d.call }}).