From 6276d3b3315db73a10c69b08123b62b3e1817c8b Mon Sep 17 00:00:00 2001
From: Jim Melton <jwmelto@users.sourceforge.net>
Date: Fri, 27 Jan 2023 12:01:31 -0700
Subject: [PATCH] do not propagate tags

---
 src/algorithms/signal_source/adapters/zmq_signal_source.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/algorithms/signal_source/adapters/zmq_signal_source.cc b/src/algorithms/signal_source/adapters/zmq_signal_source.cc
index 5d51434ff..56456b2ef 100644
--- a/src/algorithms/signal_source/adapters/zmq_signal_source.cc
+++ b/src/algorithms/signal_source/adapters/zmq_signal_source.cc
@@ -44,6 +44,7 @@ ZmqSignalSource::ZmqSignalSource(const ConfigurationInterface* configuration,
             LOG(INFO) << "Connecting to ZMQ pub at " << endpoint;
             // work around gnuradio interface deficiency
             d_source_block = gr::zeromq::sub_source::make(d_item_size, vlen, const_cast<char*>(endpoint.data()), timeout_ms, pass_tags, hwm);
+	    d_source_block->set_tag_propagation_policy(TPP_DONT); // GNSS-SDR doesn't do well with tags/
         }
     else
         {