Packet #2220045 Success

POSITION_APP packet from Catalpa (Clpa) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	2220045
Mesh Packet ID:	`0xebbfbbe6` Used for correlation across gateways
Timestamp:	2025-11-16 21:24:33 UTC
From Node:	Catalpa (Clpa)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Pads Mobile Node (23e4)
Channel:	LongFast
RSSI:	-94 dBm
SNR:	1.25 dBm
Hop Info:	3/3 hops Start: 3, Limit: 0
Relay Node:	`73` Last byte of the last hop that relayed this packet

Payload Data

Protocol: POSITION_APP

Size: 22 bytes

Decoded: Yes

Decoded Data:

Latitude:	40.692941°
Longitude:	-73.939354°
Altitude:	22 m
Precision:	17 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:	22 bytes
Gateway:	!9e9e23e4
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	3 / 3

Privacy Summary

Exposure Level:
Broadcast

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

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 4 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!9e9e23e4` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (22 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`4187773462` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`22` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-94.0` dBm Signal strength at gateway	int32
`rx_snr`	`1.25` dB Signal quality at gateway	float
`rx_time`	`1763328361` 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`	`115` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1763328273.213081` 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

Exposure Risks:

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

MQTT-Specific Fields

Gateway ID:	`!9e9e23e4`
Position Precision:	17 bits (~182.0m accuracy)
Position precision meters:	`182.0`
Signal Metrics:	RSSI: -94.0 dBm SNR: 1.25 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	22 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 40.6929408, "longitude": -73.9393536, "altitude": 22, "sats_in_view": null, "precision_bits": 17 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!9e9e23e4", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4187773462, "to": 4294967295, "id": 3955211238, "rx_time": 1763328361, "rx_snr": 1.25, "rx_rssi": -94, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 115, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d004041181500c0edd3181628017800800100b80111", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 406929408, "longitude_i": -739393536, "altitude": 22, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 17, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (22 bytes)

0d004041181500c0edd3181628017800800100b80111

Hex Analysis:

Size:	22 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
Pads Mobile Node (23e4) Primary	0.000s Reference	-94.0 dBm	1.25 dB	3	`73`	LongFast	2025-11-16 21:24:33 UTC	Current
MeshM0xie (M0x)	-994.058s Before	-105.0 dBm	-11.25 dB	1	`7b` 4b7b	LongFast	2025-11-16 21:07:59 UTC	View
K2XAP V4 MS (XAP4)	-992.954s Before	-67.0 dBm	1.25 dB	2	`c9` Penn	LongFast	2025-11-16 21:08:00 UTC	View
Steiner Studios Tower (SST)	-992.945s Before	-115.0 dBm	-8.25 dB	2	`c9` Penn , JLX3	LongFast	2025-11-16 21:08:00 UTC	View
ClaremontWx.net (CmWx)	-992.927s Before	-77.0 dBm	4.75 dB	2	`c9` Penn	LongFast	2025-11-16 21:08:00 UTC	View
aurelia (🧚)	-992.845s Before	-107.0 dBm	-2.25 dB	1	`7b` 4b7b	LongFast	2025-11-16 21:08:00 UTC	View
drp mobile (drpm)	-992.737s Before	-119.0 dBm	-7.75 dB	2	`c9` Penn	LongFast	2025-11-16 21:08:00 UTC	View
DRP1 Chelsea (DRP1)	-992.592s Before	-77.0 dBm	5.50 dB	2	`c9` Penn , JLX3	LongFast	2025-11-16 21:08:00 UTC	View
CBZ0 🚕 mobile (CBZ0)	-992.480s Before	-113.0 dBm	-8.50 dB	2	`c9` Penn , JLX3	LongFast	2025-11-16 21:08:00 UTC	View
1 MW 1 West Side \| https://nyme.sh (1MW1)	-992.215s Before	-107.0 dBm	-3.25 dB	2	`c9` Penn	LongFast	2025-11-16 21:08:00 UTC	View
Fried Fish 1 \| nyme.sh (FF1)	-991.783s Before	-77.0 dBm	1.75 dB	3	`40` BRRN	LongFast	2025-11-16 21:08:01 UTC	View
Meshtastic 1ca3 (1ca3)	-991.144s Before	-123.0 dBm	-15.75 dB	3	`31` a031	LongFast	2025-11-16 21:08:02 UTC	View
Claudiopolis-440c (440c)	-990.463s Before	-100.0 dBm	-10.25 dB	3	`ae` R02	LongFast	2025-11-16 21:08:02 UTC	View
Gowanus Soda (p1p)	-990.286s Before	-120.0 dBm	-16.50 dB	3	`60`	LongFast	2025-11-16 21:08:02 UTC	View
K2XAP / nyme.sh (XAP)	-990.210s Before	-128.0 dBm	-16.75 dB	3	`f2` p@s!	LongFast	2025-11-16 21:08:03 UTC	View
dkTowerBot (dkTB)	-989.093s Before	-110.0 dBm	-20.25 dB	3	`81` Titi , JLO9	LongFast	2025-11-16 21:08:04 UTC	View
K2XAP / nyme.sh (XAP)	-982.056s Before	-46.0 dBm	6.75 dB	2	`57` CmWx	LongFast	2025-11-16 21:08:11 UTC	View
aurelia (🧚)	-0.457s Before	-117.0 dBm	-11.00 dB	2	`d5` ETNA	LongFast	2025-11-16 21:24:32 UTC	View
Claudiopolis-440c (440c)	+9.060s After	-94.0 dBm	-6.00 dB	3	`63` XAPn , b063	LongFast	2025-11-16 21:24:42 UTC	View
BeMoreSQUIP 1 (VPP1)	+235.498s After	-118.0 dBm	-17.00 dB	3	`b4` PARK	LongFast	2025-11-16 21:28:28 UTC	View
SunnySolar (Suny)	+1999.891s After	-103.0 dBm	-15.75 dB	2	`4c` JLY3	LongFast	2025-11-16 21:57:53 UTC	View

21

Total Receptions

18

Unique Gateways