Packet #39120178 Success

POSITION_APP packet from Midtown Base (MTBA) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39120178
Mesh Packet ID:	`0x6b84e301` Used for correlation across gateways
Timestamp:	2026-05-15 10:37:07 UTC
From Node:	Midtown Base (MTBA)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Bionicandroid 2 (DAN)
Channel:	MediumFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	3/7 hops Start: 7, Limit: 4
Relay Node:	`98` Last byte of the last hop that relayed this packet

Payload Data

Protocol: POSITION_APP

Size: 23 bytes

Decoded: Yes

Decoded Data:

Latitude:	43.692851°
Longitude:	-79.396864°
Altitude:	148 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:	23 bytes
Gateway:	!b03d10e4
Channel:	MediumFast
Payload Type:	POSITION_APP
Hop Count:	3 / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!b03d10e4` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (23 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1130029004` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`23` bytes	size
`hop_limit`	`4` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1778841426` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`64` Packet priority level	enum
`delayed`	Not set	enum
`channel`	Not set	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`152` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778841427.4487884` 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)
✓ Custom channel: MediumFast
✓ Gateway node ID tracked
✓ Reduced position precision: ~729.0m accuracy

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)

MQTT-Specific Fields

Gateway ID:	`!b03d10e4`
Position Precision:	15 bits (~729.0m accuracy)
Position precision meters:	`729.0`

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	23 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 43.6928512, "longitude": -79.396864, "altitude": 148, "sats_in_view": null, "precision_bits": 15 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!b03d10e4", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1130029004, "to": 4294967295, "id": 1803870977, "rx_time": 1778841426, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 4, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 64, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 152, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00000b1a150000add0189401254cf7066a2801b8010f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 436928512, "longitude_i": -793968640, "altitude": 148, "time": 1778841420, "location_source": "LOC_MANUAL", "precision_bits": 15, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (23 bytes)

0d00000b1a150000add0189401254cf7066a2801b8010f

Hex Analysis:

Size:	23 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
Bionicandroid 2 (DAN) Primary	0.000s Reference	Unknown	Unknown	3	`98`	MediumFast	2026-05-15 10:37:07 UTC	Current
Bionicandroid 2 (DAN)	-0.204s Before	Unknown	Unknown	3	`98`	LongFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	-0.170s Before	Unknown	Unknown	3	`98`	LongFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	-0.151s Before	Unknown	Unknown	3	`98`	LongFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	-0.133s Before	Unknown	Unknown	3	`98`	LongFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	-0.117s Before	Unknown	Unknown	3	`98`	LongFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	-0.105s Before	Unknown	Unknown	3	`98`	LongFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	-0.094s Before	Unknown	Unknown	3	`98`	LongFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	-0.084s Before	Unknown	Unknown	3	`98`	LongFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	-0.073s Before	Unknown	Unknown	3	`98`	LongFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	-0.062s Before	Unknown	Unknown	3	`98`	LongFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	-0.049s Before	Unknown	Unknown	3	`98`	LongFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	-0.037s Before	Unknown	Unknown	3	`98`	MediumFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	-0.025s Before	Unknown	Unknown	3	`98`	MediumFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	-0.012s Before	Unknown	Unknown	3	`98`	MediumFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.012s After	Unknown	Unknown	3	`98`	MediumFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.024s After	Unknown	Unknown	3	`98`	MediumFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.036s After	Unknown	Unknown	3	`98`	MediumFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.047s After	Unknown	Unknown	3	`98`	MediumFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.059s After	Unknown	Unknown	3	`98`	MediumFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.070s After	Unknown	Unknown	3	`98`	MediumFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.081s After	Unknown	Unknown	3	`98`	MediumFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.092s After	Unknown	Unknown	3	`98`	ShortFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.103s After	Unknown	Unknown	3	`98`	ShortFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.114s After	Unknown	Unknown	3	`98`	ShortFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.125s After	Unknown	Unknown	3	`98`	ShortFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.137s After	Unknown	Unknown	3	`98`	ShortFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.150s After	Unknown	Unknown	3	`98`	ShortFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.162s After	Unknown	Unknown	3	`98`	ShortFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.179s After	Unknown	Unknown	3	`98`	ShortFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.191s After	Unknown	Unknown	3	`98`	ShortFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.203s After	Unknown	Unknown	3	`98`	ShortFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.215s After	Unknown	Unknown	3	`98`	ShortFast	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.227s After	Unknown	Unknown	3	`98`	ShortTurbo	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.239s After	Unknown	Unknown	3	`98`	ShortTurbo	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.250s After	Unknown	Unknown	3	`98`	ShortTurbo	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.261s After	Unknown	Unknown	3	`98`	ShortTurbo	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.272s After	Unknown	Unknown	3	`98`	ShortTurbo	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.283s After	Unknown	Unknown	3	`98`	ShortTurbo	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.294s After	Unknown	Unknown	3	`98`	ShortTurbo	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.305s After	Unknown	Unknown	3	`98`	ShortTurbo	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.316s After	Unknown	Unknown	3	`98`	ShortTurbo	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.328s After	Unknown	Unknown	3	`98`	ShortTurbo	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.340s After	Unknown	Unknown	3	`98`	ShortTurbo	2026-05-15 10:37:07 UTC	View
Bionicandroid 2 (DAN)	+0.352s After	Unknown	Unknown	3	`98`	LongFast	2026-05-15 10:37:07 UTC	View
NGC MP (NGC5)	+447.149s After	-116.0 dBm	-13.25 dB	4	`c4`	LongFast	2026-05-15 10:44:34 UTC	View

46

Total Receptions

2

Unique Gateways