Packet #1964511 Success

POSITION_APP packet from JLO7 - Midtown East (JLO7) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	1964511
Mesh Packet ID:	`0x718b8cb9` Used for correlation across gateways
Timestamp:	2025-11-12 16:55:23 UTC
From Node:	JLO7 - Midtown East (JLO7)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	BSD 619 TD+ (K619)
Channel:	LongFast
RSSI:	-49 dBm
SNR:	6.25 dBm
Hop Info:	3/5 hops Start: 5, Limit: 2
Relay Node:	`08` b808 Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Payload Data

Protocol: POSITION_APP

Size: 28 bytes

Decoded: Yes

Decoded Data:

Latitude:	40.756838°
Longitude:	-73.970483°
Altitude:	163 m
Precision:	15 bits

Raw Packet Analysis

Complete field breakdown and MQTT privacy/exposure analysis

Packet Structure

MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)

Total Size:	28 bytes
Gateway:	!16d7f630
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	3 / 5

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!16d7f630` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (28 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1284660029` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`28` bytes	size
`hop_limit`	`2` Remaining hops allowed	uint32
`hop_start`	`5` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-49.0` dBm Signal strength at gateway	int32
`rx_snr`	`6.25` dB Signal quality at gateway	float
`rx_time`	`1762966601` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	Not set	enum
`delayed`	Not set	enum
`channel`	Not set	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`8` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1762966523.0422232` Unix timestamp	uint32

MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast

Privacy Features:

✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
✓ Reduced position precision: ~729.0m accuracy

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!16d7f630`
Position Precision:	15 bits (~729.0m accuracy)
Position precision meters:	`729.0`
Signal Metrics:	RSSI: -49.0 dBm SNR: 6.25 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	28 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 40.7568384, "longitude": -73.9704832, "altitude": 163, "sats_in_view": null, "precision_bits": 15 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!16d7f630", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1284660029, "to": 4294967295, "id": 1904970937, "rx_time": 1762966601, "rx_snr": 6.25, "rx_rssi": -49, "hop_limit": 2, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 8, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00004b18150000e9d318a30125dabb146928017800800100b8010f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 407568384, "longitude_i": -739704832, "altitude": 163, "time": 1762966490, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 15, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (28 bytes)

0d00004b18150000e9d318a30125dabb146928017800800100b8010f

Hex Analysis:

Size:	28 bytes
Format:	Protobuf (Protocol Buffers)
Encoding:	Binary with varint and length-delimited fields

This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.

All Receptions

All gateways that received this packet
Correlation: Using Mesh Packet ID

Reception Locations

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.

Gateway	Time Offset	RSSI	SNR	Hops	Relay	Channel	Timestamp	Actions
BSD 619 TD+ (K619) Primary	0.000s Reference	-49.0 dBm	6.25 dB	3	`08` b808	LongFast	2025-11-12 16:55:23 UTC	Current
dkTowerBot (dkTB)	-11.676s Before	-98.0 dBm	-9.50 dB	1	`4c` JLY3 , SST	LongFast	2025-11-12 16:55:11 UTC	View
YMH 2 @ Your Mom’s House (YMH2)	-2.711s Before	-82.0 dBm	-15.00 dB	2	`7b` 4b7b	LongFast	2025-11-12 16:55:20 UTC	View
bit0fun \| nyme.sh (🟠)	-2.416s Before	-109.0 dBm	-11.25 dB	2	`7b` 4b7b	LongFast	2025-11-12 16:55:20 UTC	View
Psalm 23 (3:16)	-2.283s Before	-118.0 dBm	-5.75 dB	2	`7b` 4b7b	LongFast	2025-11-12 16:55:20 UTC	View
Meshtastic 631c (631c)	-0.224s Before	-106.0 dBm	-15.75 dB	3	-	LongFast	2025-11-12 16:55:22 UTC	View
DRP1 Chelsea (DRP1)	+0.037s After	-76.0 dBm	6.00 dB	3	`c9` Penn , JLX3	LongFast	2025-11-12 16:55:23 UTC	View
ClaremontWx.net (CmWx)	+0.358s After	-84.0 dBm	-1.75 dB	4	`48` VYL0 , CWM1	LongFast	2025-11-12 16:55:23 UTC	View
1 MW 1 West Side \| https://nyme.sh (1MW1)	+0.478s After	-98.0 dBm	2.75 dB	3	`c9` Penn	LongFast	2025-11-12 16:55:23 UTC	View
🦨 corruptedstack🦨 meshtoad 🐸 (dmbp)	+0.779s After	-107.0 dBm	-16.75 dB	4	-	LongFast	2025-11-12 16:55:23 UTC	View
Gowanus Soda (p1p)	+1.677s After	-119.0 dBm	-15.00 dB	4	`31` a031 , ν	LongFast	2025-11-12 16:55:24 UTC	View
Meshtastic e41a (GRBT)	+2.603s After	-114.0 dBm	-5.75 dB	4	`0c` UGKH , 440c	LongFast	2025-11-12 16:55:25 UTC	View
corruptedstack Weather (cswx)	+3.530s After	-22.0 dBm	5.50 dB	5	`2b` dmbs , DCS1	LongFast	2025-11-12 16:55:26 UTC	View
csbot (dmbb)	+3.782s After	-79.0 dBm	11.75 dB	5	`2b` dmbs	LongFast	2025-11-12 16:55:26 UTC	View
aurelia (🧚)	+6.070s After	-94.0 dBm	5.25 dB	3	-	LongFast	2025-11-12 16:55:29 UTC	View
https://nyme.sh \| Xoder (MERB)	+16.737s After	-126.0 dBm	-16.75 dB	4	`16` JLX1	LongFast	2025-11-12 16:55:39 UTC	View
Lv4 - Heltec V4 Green (Lv4)	+1270.440s After	-87.0 dBm	-18.00 dB	5	`92` dmbt , 9e92	LongFast	2025-11-12 17:16:33 UTC	View

17

Total Receptions

17

Unique Gateways